A garden aboard the International Space Station allows space scientists to research the growth of plants in space. This research is important because astronauts will need to grow their own food to survive long space journeys. What challenges would you expect scientists to face when growing plants in space? What challenges will the astronauts have with meeting their own energy needs? Scientists are also evaluating plants for gene mutations that would help them grow better in space environments. What traits could a plant have that would help it grow better in space?

Answers

Answer 1
Some of the challenges that scientists might face in space when growing plants would be the fact that plants must have carbon dioxide to carry out their process, which is why they are grown in special chambers. It is true that the astronauts would put off some carbon dioxide, but perhaps not enough. You would also be trying to grow plants in a zero gravity environment, which they aren't accustomed to.

The astronauts would have to be able to provide an extremely large amount of food in order to meet their nutrition needs. There would have to  be enough room to grow an adequate amount of food aboard the ship. The plants would also need to be able to produce more than one crop per growing.

If scientists could genetically modify plants to help them grow better in space, they would need to make them able to thrive in a low gravity setting. They would also need to try and engineer them to need less water to survive. They would need to be strong enough to survive the lift off when going into space. The plants would also need to be able to regenerate and produce vast quantities of food.

Related Questions

Patients who have negative expectations about the outcome of a surgical procedure may experience increased postoperative pain. this best illustrates the importance of

Answers

Hey! The answer is top-down processing. Hope this helps!

On January 1, year 1, Stopaz Co. issued 8%, five-year bonds with a face value of $200,000. The bonds pay interest semiannually on June 30 and December 31 of each year. The bonds were issued when the market interest rate was 4% and the bond proceeds were $235,931. Stopaz uses the effective interest method for amortizing bond premiums/discounts and maintains separate general ledger accounts for each. To prepare each entry: Double-click the shaded cells in the Account Name column and select from the list provided the appropriate account name. An account may be used once or not at all for each entry. Enter the corresponding debit or credit amount in the appropriate column. Round all amounts to the nearest dollar. All rows may not be required to complete each entry. Prepare the journal entry to record the issuance of the bonds on January 1, year 1: Account NameDebitCredit Prepare the journal entry to record the payment of interest on June 30, year 1: Account NameDebitCredit Calculate the am

Answers

hbbl/n
[op:Ovjbmbb"NOn. 

To prepare the journal entry to record the issuance of the bonds on January 1, year 1:

Cash $235,931

Bonds Payable $200,000

Premium on Bonds Payable $35,931

To prepare the journal entry to record the payment of interest on June 30, year 1:

Interest Expense $4,760

Cash $4,000

Premium on Bonds Payable $760

When Stopaz Co. issued the 8%, five-year bonds with a face value of $200,000 on January 1, year 1, the market interest rate was 4%, resulting in bond proceeds of $235,931. To record the issuance, the company would debit Cash for the amount received, which is $235,931. The Bonds Payable account is credited for the face value of the bonds, which is $200,000, and the Premium on Bonds Payable account is credited for the difference, representing the premium realized from the market interest rate being lower than the coupon rate. In this case, the premium is $35,931.

On June 30, year 1, when interest is paid semiannually, the journal entry would include debiting Interest Expense for the amount of interest accrued over the period. Since interest is paid semiannually, the annual interest is $16,000 (8% of $200,000), and for half a year, it would be $8,000. However, due to the premium on bonds, the company reduces the interest payment by the amortized premium. The difference between the stated interest and the reduced interest due to the premium is recorded in the Premium on Bonds Payable account, ensuring an accurate representation of the total cost of borrowing.

For more questions on bonds

https://brainly.com/question/29282058

#SPJ2

During the period of the fetus, the most rapid prenatal changes take place. true or false

Answers

The answer is false. Prenatal development is the process in which an embryo and fetus develops during gestation. Perenatal development starts with fertilization the first stage in embryogenesis which continues in fetal development until birth. Physiological changes occur in pregnancy to nurture the developing fetus and prepare the mother for labor and delivery. some of theses changes influence normal biochemical values while others may mimic symptoms of medical disease. 

Yes, the statement is true; the most rapid prenatal changes occur during the fetal period, especially in the third trimester, when there is an increase in body size and organ maturation.

The statement is true; the most rapid prenatal changes take place during the fetal period, notably in the third trimester. Prenatal development is divided into three stages: the germinal period, the embryonic period, and the fetal period, with each period seeing different types of growth and development. However, it is during the fetal period, especially the third trimester, that there is a significant increase in body size, accumulation of body fat, and maturation of all the organs.

By the end of the 38th week of pregnancy, all of the fetus's organs are fully functioning and the fetus is ready for birth. Any birth prior to this is considered premature. Therefore, the period of the fetus, particularly the later stages, is critical for ensuring the fetus is prepared for a healthy arrival into the world.

Which compound contains a radical? NaOH NaCl CO 2 CO

Answers

CO 2 has a radical, hopefully helps

The compound that contains a radical is called NaOH.


Explanation:


Radical, also called Free Radical, in chemistry, a fragment that contains at trivial one unpaired electron. Most molecules include even numbers of electrons, and the covalent chemical bonds including the atoms commonly within a molecule normally consist of pairs of electrons jointly shared by the atoms combined by the bond

Many trees and plants have green leaves in the summer that turn red, yellow and orange in the fall (autumn). Explain what happens and why it happens.

Answers

the leaves are green due to chlorophyll which is received through photosynthesis a process that relies on the sun. when there begins to be less daylight, the leaves lose chlorophyll and hence their color

Answer:

During the fall the day gets shorter hence less sunlight this results to leaves stopping their food making process. The chlorophyll breaks down, the green color disappears and the yellow to orange color becomes visible

Explanation:

Within the cell, dna is found in the nucleus. which of the other structures within the cell listed below normally contains dna as well

Answers

The mitochondria and chloroplasts (for plant cells)

A species can develop genetic diversity __________.

A: Immediately
B: over a short period of time
C: over a long period of time
D: over any period of time
I think its C or D
PLEASE HELP
WILL GIVE MEDAL

Answers

It is C.) Over a long period of time.

Answer: B

Explanation:

When faced with dangers close to both sides of your path of travel you should create:?

Answers

When faced with dangers close to both sides of your path of travel you should create more space to the side with the most serious consequences. There are several dangers and obstacles on the roadway and Tips to Avoid them which include; a deer in the headlights,unidentified flying objects on the roads, slow moving vehicles, speed bumps, pedestrian and pet such as dogs, cats may be common obstacles. It is always important to weigh the extent of dangers while faced with dangers on both sides of the paths.

When faced with dangers on both sides of your travel path, creating a margin of safety is important. This involves maintaining a central position between hazards while driving and paying attention to traffic patterns when walking as a pedestrian, to avoid accidents.

When faced with dangers close to both sides of your path of travel, it is essential to create a margin of safety. You should position yourself in such a way that you have a clear view of the threats and can respond to them effectively. This concept can be applied in various scenarios such as driving, walking in a crowded city, or while planning outdoor activities.

For example, in driving, creating a margin of safety can mean adjusting your lane position away from potential hazards. If hazards are present on both sides, maintain a central position to give yourself the maximum distance possible from each. In the case of planning a route on a map, you would aim to avoid roads with heavy traffic or extreme isolation to keep a safe journey.

When walking in a city, applying the principle of looking in the appropriate direction based on the traffic flow is critical. For example, in countries where driving is on the right side, you look left first, then right. But in countries where driving is on the left, such as the UK or Jamaica, you should look right first then left. This habit can be crucial for pedestrian safety.

Can anyone help me please

Answers

I think C or B hope it helped sorry if im wrong


How does the digestive system work with other systems to maintain homeostasis?

Answers

They absorb nutrients.

Which hypothesis is most relevant for the students experiment ?

Answers

as the number of daylight hours increase plant reproduction increase because the light is reflecting on the plant and the plant is opening up
I think it’s the second one I’m not for sure

Which of these is most likely to cause light pollution?


A. Radioactive deposit

B. Family farm

C. Pavement runoff

D. Parking lot

Answers

It would be either A) or C)
plz give me the brainliest

D. Parking lot is correct

Pulmonary edema is a condition caused by excess fluid in the lungs. this fluid collects in the alveoli. what parameter of the fick equation increases during pulmonary edema?

Answers

During pulmonary edema, the interstitial space increases resulting to a smaller diffusion.  The increased interstitial space makes oxygen not to have enough time to reach the red blood cell resulting to partially oxygenated blood. Using the Fick equation there will be an increase in the level of oxygen coming from the lungs.

Which antibiotic would you use to determine if the recombinant dna was taken in?

Answers

Antibiotic used include kenamycin, ampicillin and tetracycline. This is useful to determine if and which bacteria took up the plasmid as they were supposed to during the process of recombination. Host bacteria are normally killed by these antibiotics. If the recombinant plasmids were taken up by the bacteria, plasmid may have contained a DNA gene for resisting the effects of one or more antibiotics. Host bacteria are placed in a growth medium containing an antibiotic to which they have a resistant gene in their recombinant plasmid DNA survivor. If they havent taken the plasmid they die.

Which of these is a difference between a dna and an rna molecule?

Answers

no lose no hablo ingles alv 
sfvqwrvw3

The difference between a DNA and an RNA molecule is: A. DNA is double-stranded, whereas RNA is single-stranded. The other options mentioned are not accurate distinctions between DNA and RNA.

The key difference between DNA (deoxyribonucleic acid) and RNA (ribonucleic acid) lies in their structural characteristics. DNA is typically double-stranded, forming the famous double helix, while RNA is single-stranded. Both DNA and RNA molecule contains nitrogenous bases and phosphate groups, but their five-carbon sugars differ; DNA uses deoxyribose, whereas RNA employs ribose.

DNA is a polymer composed of nucleotides, while RNA is also a polymer composed of nucleotides. Lastly, in terms of base composition, DNA contains thymine (T), whereas RNA replaces thymine with uracil (U). These distinctions are vital as they underlie the functional diversity and roles of DNA and RNA in genetic information storage and protein synthesis. So option A is correct.

For more questions on RNA molecule:

https://brainly.com/question/25407562

#SPJ12

Which of these is a difference between a DNA and an RNA molecule?

A. --DNA is double-stranded, whereas RNA is single-stranded.--

B. DNA contains nitrogenous bases, whereas RNA contains phosphate groups.

C. DNA contains five-carbon sugars, whereas RNA contains six-carbon sugars.

D. DNA is a polymer composed of nucleotides, whereas RNA is a polymer composed of nucleic acids.

E. DNA contains uracil, whereas RNA contains thymine.

Hello, people of planet earth, I need help with a question for my friend Steve in science class, here on planet Neptune it is pretty hard can you help me, please ?

Describe conjugation between two paramecium.

put it in simplest form because Steve is a bit of an idiot.

Answers

The paramecium has two nuclei, a big and small one. The big one operates as the director of the cell's activities, rather like a little brain. The smaller one is used for reproduction. The paramecium splits in half (fission) just as the ameba does. First the smaller nucleus splits in half and each half goes to either end of the paramecium. Then the bigger nucleus splits and the whole paramecium splits. Occasionally two paramecium exchange material and form a new paramecium. This is called conjugation. 

Conjugation in Paramecia occurs in the following way: 

a). The formation of ciliary contacts. 
b). Local loss of cilia and formation of narrow contacts between anterioventral somatic cell membranes 
c). Formation of small cytoplasmic bridges (which allow for the exchange of molecular components only). 
d). Their enlargement enables the cells to exchange micronuclei. 

Bacteria exchange plasmid material and the Paramecia exchange micronuclei.

Good luck to Steve! How is it in Neptune? XD

What is the definition of prophase

Answers

"Cell Biology. the first stage of mitosis or meiosis in eukaryotic cell division, during which the nuclear envelope breaks down and strands of chromatin form into chromosomes." -From www.dictionary.com

Hope this helps! .+:。(ノ・ω・)ノ゙

Final answer:

Prophase is the initial stage of mitosis where chromatin condenses into chromosomes, the nuclear envelope disintegrates, centrosomes move apart, and the mitotic spindle begins to form, allowing chromosomes to eventually align and separate.

Explanation:

Prophase is the first phase of mitosis, characterized by a series of events that prepare the cell for chromosome segregation. Early in prophase, the chromatin fibers become more tightly coiled and condense into discrete chromosomes. Each chromosome has already replicated and consists of two identical sister chromatids joined at the centromere. As prophase advances, the nucleolus fades and the nuclear envelope breaks down, allowing the spindle to interact with the chromosomes.

During prophase, centrosomes, having duplicated earlier in the cell cycle, move to opposite poles of the cell. The mitotic spindle fibers extend from these centrosomes, playing a crucial role in the subsequent alignment and separation of the chromosomes. The spindle apparatus begins to form, consisting of the centrosomes, the spindle microtubules, and the asters.

Active transport ________. uses atp as an energy source can involve the transport of ions can move solutes against their concentration gradient all of the answer options

Answers

All of the above.
Active transport
-requires energy in the form of ATP
-can transport ions (charged molecules)
-transports solutes against concentration gradient
-requires specific protein structures embedded in phopholipid bilayer

Active transport uses ATP as the source of energy, takes part in the transport of ions, and can move solutes against the concentration gradient.  

• A kind of cellular transport in which components like glucose, ions, and amino acids are mediated across a biological membrane towards the region, which already comprises ample of substances is known as active transport.  

• The mechanism of active transport used ATP as the chemical energy to move the substances against their concentration gradient.  

• The common regions where active transport takes place are the walls of small intestine and root hair cells.  

Thus, the correct answer is all the options.

To know more about:

https://brainly.com/question/14592035

What instrument would a scientist use to take measurements in the upper troposphere

Answers

Your answer is a weather balloon.

Answer:

Troposphere is the lowest most layer of Earth's atmosphere. The mean height of troposphere from the surface are 18 km in tropical regions, 17 km in middle latitudes, and 6 km in polar regions.  

There exists an inversion layer called as tropopause, which acts as border between troposphere and stratosphere. The air temperature keeps on decreasing as we go high in the tropopause but remains constant throughout its thickness.

Usually, scientists use weather balloon as an instrument to take measurements in the upper troposphere.

Weather balloon also known as sounding balloon is a balloon that carries the measuring device (known as radiosonde)  with it to the intended heights and stays there for long duration.  The device then obtains all the measurements such as atmospheric pressure, temperature, wind speed, humidity etc and send them back to the scientists.

In addition, scientists may compare these data with those obtained from other means such as aircraft data and satellite data.

According to hadley, the most important factor causing circulation patterns in the atmosphere was:

Answers

Temperature contrasts between the equator and pole

Enzymes, such as the one shown in the picture, work by fitting onto the substrate molecule like a lock-and-key action. Which statement is true, with regard to the enzyme and the substrate? A) The enzyme weakens chemical bonds in the substrate and catalyzes a change into the product. The enzyme itself remains unchanged. B) The enzyme weakens chemical bonds in the substrate and catalyzes a change into the product. The enzyme is also consumed in the reaction. C) The substrate reacts with the enzyme in the active site to produce a product. The enzyme, though changed, does not become a part of the product. D) The substrate reacts with the enzyme in the active site to produce a product. Both the enzyme and the substrate combine and change into a product.

Answers

The correct option is A.

Enzymes are biological catalysts that speed up the rate of biochemical reactions but they are not used up in the process. Enzymes speed up chemical reactions by lowering the activation energy of the reaction. All chemical reactions have activation energy, this is the smallest amount of energy that the reacting species must possess before they can under a chemical reaction. When an enzyme lower this energy the reaction occurs faster but the enzyme remains unchanged.

BRAINLESET Exposure to UV rays can cause _____.

asthma

skin cancer

heart disease

lung cancer

Answers

i use gradpoint and originally i got that wrong and it showed me the right answer and it was skin cancer or B

Answer:

Skin cancer

Explanation:

What happens when the supply of energy-rich molecules in a muscle is used up?

Answers

If there is no energy left for the muscle, then the muscle is tired and needs to rest. This is because there will be no more energy (in the form of ATP) to supply the excitation-contraction coupling mechanism (the mechanism for muscle contraction, which needs energy).

In the event of this situation, the person will not be able to move the muscle with depleted energy source at all.
The supply of energy-rich molecules in muscles are used up, then the muscles become tired, and they need to rest.

 Lactic acid is being produced from anaerobic respiration. If compared to cellular respiration, fermentation does not produce much energy.

Explain how the isotopes of an element differ. (1 point)
They each have a different number of electrons in their outermost energy level.
They each have a different number of protons in their nuclei.
They each have a different number of neutrons in their nuclei.
They each have a different charge.,

Answers

they will have a different number of neutrons in their nuclei
They each have a different number of neutrons in their nuclei.

Every atom consists of 3 basic particles, protons, neutrons, and electrons. The actual element is determined by the number of protons, and for a neutral atom, each proton has a corresponding electron. The neutrons which have no charge are in the nucleus and may have a different count for different isotopes of the same element. With that in mind, let's look at the options:

They each have a different number of electrons in their outermost energy level.
* This is constant for each element if the atom has a neutral charge. It can be changed electrically, but that doesn't affect what isotope it is, so this is a bad choice.

They each have a different number of protons in their nuclei.
* If the number or protons change, then you have a different element. So this is a bad choice.
They each have a different number of neutrons in their nuclei.
* This is the correct choice.

They each have a different charge.
* The electrical charge doesn't affect what the isotope is, so this is a bad choice.

PLEASE HELP ME! ASAP Should commercial fruit farmers be allowed to use ethylene to accelerate the ripening of fruit for the market? Why or Why not?

Please no bs and answer in detail thank you.

Answers

I believe that they should not be allowed to do that, as that is using chemicals that not only can hurt you but make fruit go bad faster as well.
I believe that they should not because the fruits should have time to ripen properly and in the proper conditions. As well as foods that have added chemicals are not as healthy and are to an extent detrimental to your health.

Hope this helped

Which important complex is is formed due to complimentary binding at the enzyme active site

Answers

"Substrate product complex" is the important complex among the choices given in the question that is formed due to complimentary binding at the enzyme active site.

Hope this helps!

-Payshence xoxo

What is the difference between a chromatid and a chromosome?

a. chromatids consist of dna, whereas chromosomes consist of proteins.

b. chromosomes are always replicated, whereas chromatids are not.

c. a chromatid always consists of two linear dna molecules, whereas a chromosome always consists of just one linear dna molecule.

d. a chromatid is one half of a replicated chromosome, whereas a chromosome consists of dna wrapped around proteins in a highly organized manner?

Answers

A chromatid is one half of a replicated chromosome, whereas a chromosome consists of DNA wrapped around proteins in a highly organized manner.

The visceral motor division of the pns __________. the visceral motor division of the pns __________. regulates the contraction of smooth and cardiac muscle and regulates secretion by the body's many glands includes taste and smell regulates only the parasympathetic division of the ans regulates only the sympathetic division of the autonomic nervous system

Answers

The visceral motor division of the PNS regulates the contraction of smooth and cardiac muscle and regulates secretion by the body's many glands. Visceral motor system deals with the involuntary contraction of smooth and cardiac muscle. This includes the sympathetic division (flight or flight) and parasympathetic division (rest and digest) which include the autonomic nervous system. 

Flat and layered clouds with horizontal development are classed as

Answers

Flat layered clouds with horizontal development are called STRATUS or STRATI-FORM clouds. These clouds have a layered or spread out aspect. They form when air is forced upwards by forced convection. Forced convection can occur as a result of surface convergence or movement of a frontal boundary. Examples of stratus clouds are cirro-stratus and alto-stratus clouds. 

When testing for hiv, a/an test produces more accurate results than the elisa test?

Answers

When testing for hiv, an Antibody screening test produces more accurate results than the elisa test.

Explanation:

An Antibody screening test is the best test available to diagnose a HIV infected person by spotting a particular protein in the infected blood sample. HIV a sexual borne disease is highly contagious and a life taker. The earlier it is been deducted through the antibody screening test and the treatment can be given to expand your life cycle.

ELISA test is a normal test that is done collecting the blood sample of the patients and when known an ELISA test is done on an individual it defers and shakes the person scary to death as it takes a minute for the test but a long wait to announce the result .

When testing for hiv, a/an Western Blot test produces more accurate results than the elisa test. Nucleic Acid Tests (NATs) and RT-PCR also offer high sensitivity and specificity for confirming HIV diagnosis. These methods are crucial for confirming ELISA results.

When testing for HIV, a Western Blot test produces more accurate results than the ELISA test. Here are the key points:

Western Blot: This test identifies specific peptides from HIV, reducing the chance of false positives due to cross-reactivity with other antibodies.Nucleic Acid Tests (NATs): These tests detect HIV nucleic acids directly, allowing for the detection of the virus before antibodies are produced.RT-PCR: This method amplifies HIV genetic material, providing high sensitivity and specificity.

All these methods, especially the Western Blot and PCR, help confirm initial positive results from an ELISA test, reducing the risk of false positives.

complete question:

When testing for hiv, a/an ________  test produces more accurate results than the elisa test?

Other Questions
2. There are some overthecounter drugs that can cure STDs. (1 point)truefalse3. Which is the best protection against an STD infection? (1 point)condomsabstinencewashing the body thoroughlygoing to the doctor for a monthly checkup4. Which STD can be spread by skintoskin contact? (1 point)genital wartsAIDShepatitis Bgonorrhea5. Which STD can affect a person for life because there is no cure? (1 point)syphillisherpesgonorrheachlamydia6. The human papilloma virus can cause _____. (1 point)syphillis . When did the Romans take over most of Italy? (1 point) by 500 BC by 267 BC by 125 BC by 100 AD During the industrial revolution, how did life change? what was the cotton gin? who were the luddites What two numbers add to 2 and multiply to -14 It costs $3.15 for a pack of 15 pencils.Find the unit price in dollars per pencil.If necessary, round your answer to the nearest cent. The monetary unit of Spain is the... a. dollar c. euro b. peso d. peseta Charlie reads quickly. He reads 1 and 3 seventh pages every 2 third minutes. Charlie reads at a constant rate. How many pages does charlie read per minute? A historian is making a historical argument about the French Revolution. He notes that, following the Revolution, a rash of violence swept over France. He refers to the execution of French royalty and the European wars that revolutionaries launched following their victory to support his argument. In his opinion, it is morally wrong for any political movement to use violence to achieve its goals. Based on this information, he argues that the French Revolution produced far more negative outcomes than positive ones. Which part of the historian's argument does not rely on any historical evidence? decide if the following sentence is grammatically correct or incorrect no vino nadie a la fiesta Witch of the following could be a horizontal cross-section of a cylinder A. hexagonB. triangleC. circleD. octagon In My Last Duchess by Robert Browning, the reader can tell when the speaker and the listener interact when _____.A. the listener delivers a message to the speakerB. the listener makes statements to the speakerC. the speaker asks the listener a question or addresses himD. the speaker describes the listeners thoughts and feelings The word wail is an example of ...1.alliteration2.assonance3.consonance4.onomatopoeia How are the energy of wind and flowing water each related to solar energy? What type of relationship is between remora and a shark? Write an expression to represent: The sum of ten and the quotient of a number x and 6. Tyson lives in a large city. recently, the medical clinic that treated tyson and his family closed and reopened as a big, fancy clinic in the suburbs. tyson's story is an illustration of ______. Approximately ____ years passed between the ratification of the 13th and 15th amendments. When plants that are heterozygous for round seeds are crossed, what is the probability that the offspring will have wrinkled seeds? Beryllium has a nucleus composed of protons and neutrons. Given the data, how many neutrons are in a typical Beryllium nucleus?A)3B)4C)5D)9 Sean has $65 to spend on CDs. If each CD costs $6.98, about how many CDs can he buy?