Parents : Yy (female) x YY (male)
Gametes: Y and y (from female) ; Y and Y (from male)
F1 generation: YY (yellow); Yy (yellow) ; YY (yellow); Yy (yellow)
So we will observe yellow seeds only in the F1 generation. Since there is no homozygous recessivie"yy" genotype in F1 generation, 0% of the offspring would be expected to have green seeds.
None of the offspring is going to have green seeds.
The male parent = YY
And they are yellow
The female parent = Yy
and they are also yellow.
The Punnet SquareWe do this to get the phenotype of the other generation. We match Yy with YY
YY * Yy
Y y
Y YY Yy
Y YY Yy
This gives a generation with 50 percent having the fathers YY and the other 50% having Yy
This then means that the phenotype for all these offspring would be yellow all throughTherefore non of them would be green.Read more on the punnet square here:
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Which is always true about the distance of a planet from the Sun?
a. The farther from the Sun, the shorter a planet’s revolution.
b. The farther from the Sun, the longer a planet’s revolution.
c. The farther from the Sun, the shorter a planet’s rotation.
d. The farther from the Sun, the longer a planet’s rotation.
How do plankton differ from nekton? plankton are floaters. plankton are strong swimmers. plankton live on the ocean bottom. plankton are carnivores?
Answer: Plankton are floaters
Explanation:
That's correct.
Which of the lettered structures houses receptors for sweet, sour, salty, and bitter tastes?
For which of these questions could a testable hypothesis be developed? Check all that apply.
Are gases better than solids?
Do different liquids freeze at the same rate?
Do cookies taste better when they are baked in a gas oven or an electric oven?
Does temperature affect the strength of a magnet?
Does the color of water affect how fast it evaporates?
The correct answer is:
Do different liquids freeze at the same rate
Does temperature affect the strength of a magnet
Does the colour of water affect how fast it evaporates
Explanation:
A testable hypothesis is a hypothesis that can be proved or denied as a result of testing, data collection, or experience. Only testable hypotheses can be used to interpret and perform an experiment by applying the scientific method.
What is the name for the process by which the cells of all organisms release the stored energy of nutrients?
are foxes asexual or sexual?
a fox can have either genders from male to female. they are not asexual.
Hope this helps!
-Payshence xoxo
Which of these is a behavioral response determined by past experience?
A. sleeping
B. eating
C. hunting in packs
D. All behaviors are learned from past experiences.
like that other person said its c i am totaly not copying you
Cultivation of seafood under controlled conditions is called
1. Of the six species of seals found in Antarctica, four of them breed on the actual ice in the spring months. Which species of seal or ice expert?
A. Crab eater, leopard, harbor, elephant
B. Crab eater, leopard, fur, elephant
C. Crab eater, wedded, Ross, leopard
D. Ross, wedded, leopard, fur
2. Ice that forms and then melts seasonally around the coast of Antarctica is best described as
A. Oceanic ice
B. Glacial ice
C. Sea ice
D. Continental ice
3. All of the factors below play a role in creating ocean currents. Which factor has the greatest influence on weather patterns?
A. Earth’s rotation
B. Heat capacity
C. Salinity
D. Bottom topography
4. Cold water upwelling help increase the number of organisms in an area by bringing
A. Warm water to the area
B. More predators
C. More nutrients from the bottom
D. Warm water nutrients from the top
5. What is the difference between El Niño and La Niña?
6. Which of the following statements about sea surface temperature is evidence of La Niña year?
A. It is greater than normal in the Eastern Pacific
B. It is lower than normal is the Western Pacific
C. It is greater than normal in the Western Pacific
D. It is lower than normal in the Eastern Pacific
E. Normal Pattern
7. Why is it beneficial to use names for hurricanes over latitude-longitude identification methods?
8. Which of the following organisms does NOT rely on krill as a major food source?
A. Adélie penguins
B. Leopard seal
C. Humpback whale
D. Squid
9. Adélie penguins feed mostly on krill but switch to fish during the breeding season and then to squid during the winter. What is a good explanation for this?
A. Fish and squid are more abundant, and krill is more scarce
B. Fish and squid provide more energy than krill
C. Fish and squid is more abundant, and krill is more available
D. Fish and squid is preferred but is not as available during the other months
10. All of the following are ways the penguins stay warm EXCEPT
A. Swimming fast
B. Fat reserves
C. Layers of feathers
D. Staying close together in groups
11. The population of penguins has increased greatly over the past several decades. Part of this can be attributed to the over-hunting of baleen whales. Develop a logical argument for why these two occurrences can be connected.
What are the similarities and differences between fungi and plants?
Plants and fungi both have cell walls, which provide them with support and structure. But one main difference is that plants, unlike fungi, have the ability to photosynthesize.
A client with a history of opiate abuse asks the nurse, "why do i crave this stuff so much?" the nurse responds, knowing that the client's craving is a result of which factor?
Final answer:
The craving the client experiences is likely a result of psychological dependence on opiates, where the brain's reward system has been altered to create intense cravings. The development of tolerance and the use of rehabilitation methods including psychotherapy and medication can assist in overcoming addiction.
Explanation:
The client's craving for opiates is likely due to psychological dependence, which is an emotional, rather than physical, need for a drug. Clients with a history of opiate abuse develop this dependence because these drugs alter the brain's reward system, leading to intense drug cravings. To answer the client's question, the nurse should explain that craving opioids is a common effect of the psychological dependence that can develop after repeated use, and even after the physical withdrawal symptoms have resolved.
Over time, a person who uses opioids may develop tolerance, meaning they need higher doses of the drug to achieve the same effect, which further exacerbates the cycle of dependence and addiction. Withdrawal symptoms from opioids can include not only physical discomfort but also psychological distress like anxiety and depression. To treat addiction, rehabilitation may involve psychotherapy, support groups, and sometimes medications like methadone to help manage cravings and withdrawal symptoms.
A patient with visual agnosia will probably show an inability to
A patient who suffer visual agnosia will probably show an inability to identify or recognize common objects in a plain view and they cannot interpret visual information. This is due to the damage in anterior cortex like the temporal lobes and posterior occipital of the brain. Additionally, visual agnosia is diagnosed by assessing the patient’s ability to name and describe the use of visually presented objects
Part a - bacterial cell wall peptidoglycan is a polymer of millions of n-acetylglucosamine (nag) and n-acetylmuramic acid (nam) sugars based on glucose molecules linked together in long chains cross-braced with four amino acids that link individual polymer chains together in a chain-link fence pattern. layers of cross-braced nag and nam sheets are stacked vertically and held together by proteins with lipid anchors attached to the cell's cytoplasmic membrane to form a scaffold of sugars and proteins that is able to hold the bacterial cell's shape, even in response to extreme osmotic pressures. how would you expect a microbiology student to be able to describe the composition of peptidoglycan? what is the composition of the peptidoglycan layers found in the cell wall of bacteria?
Where does most seismic activity occur?
in the center of tectonic plates
along tectonic plate boundaries
in mountains
deep within the earth
The process by which the products of weathering are transported is called
A radioactive tracer has a half life of 2 hours. How much of a 2500 g sample will be available after 24 hours?
A) 2.44 g
B) 1.22 g
C) 0.610 g
D) 0.31 g
Final answer:
Using the concept of half-life, we find that after 24 hours, which is 12 half-lives for a substance with a half-life of 2 hours, a 2500 g sample of a radioactive tracer will decay to 0.610 g.
Explanation:
The student is asking about the amount of a radioactive tracer remaining after a certain period, given its half-life. To calculate this, we apply the concept of half-life, which is the time required for half of the radioactive substance to decay. In this case, the half-life is 2 hours.
After 24 hours, which is 12 half-lives (24 hours ÷ 2 hours per half-life), the amount of substance remaining can be calculated as follows:
After 1 half-life (2 hours): 2500 g ÷ 2 = 1250 g
After 2 half-lives (4 hours): 1250 g ÷ 2 = 625 g
...
After 12 half-lives (24 hours): 2500 g ÷ (2^12) = 2500 g ÷ 4096 = 0.610 g
Therefore, the correct answer to the student's question is C) 0.610 g.
Which human body system includes the lungs, liver, skin and kidneys?
All restriction sites are palindromic. what does this mean?
Restriction sites being palindromic means they read the same in both directions on complementary DNA strands, a feature used by restriction enzymes to cut DNA at specific points for genetic engineering.
All restriction sites being palindromic means that their sequence of bases reads the same in the 5' to 3' direction on one strand of DNA as it does in the 5' to 3' direction on the complementary strand. For example, the restriction enzyme known as Hind III recognizes a specific palindromic sequence which is the same forward on one strand and backward on the complementary strand. This feature is crucial for the function of restriction enzymes, which are tools used by molecular biologists to cut DNA at specific sites. The ability of these enzymes to recognize and cleave palindromic sequences allows for the precise manipulation of DNA during cloning and genetic engineering processes. The palindromic nature ensures that the cut, or cleavage, creates predictable and complementary overhangs, often referred to as 'sticky ends'. These sticky ends can then be used to bind or 'ligate' DNA fragments together in a desired sequence, facilitating DNA recombination.
When atp releases some energy, it also releases inorganic phosphate. what happens to the inorganic phosphate in the cell?
When ATP releases energy, inorganic phosphate can be used in various cellular processes such as phosphorylation of other compounds or stored as glycogen.
Explanation:When ATP is broken down, usually by the removal of its terminal phosphate group, energy is released. The energy is used to do work by the cell, usually by the released phosphate binding to another molecule, activating it. For example, in the mechanical work of muscle contraction, ATP supplies the energy to move the contractile muscle proteins. In the case of inorganic phosphate, it can be used in various cellular processes such as phosphorylation of other compounds or stored as glycogen.
What would happen if a cell underwent mitosis, but did not go fully complete cytokinesis?
Compare and contrast the characteristics of vascular and nonvascular plants
The primary distinction between vascular and nonvascular plants is that vascular arteries transport water and food to all areas of the plant.
Starting with the smallest level of ecological organization and moving toward the highest, the order should go organism, __________. view available hint(s) starting with the smallest level of ecological organization and moving toward the highest, the order should go organism, __________.
Answer:
The correct answer will be option-organism→population→community→ecosystem→biosphere
Explanation:
Ecologists have tried to organize the ecosystem into levels which gave rise to the concept of ecological level of organization.
In an ecosystem, the ecological organisation move from simplicity to complexity in which the lowest level is an organism or species. When these similar organisms live together they form a population. A group of these population form a community of organism which forms an ecosystem in the biosphere.
Thus, the ecological organization will be organism→population→community→ecosystem→biosphere
Women who wish to become pregnant should have sexual intercourse after a surge in: women who wish to become pregnant should have sexual intercourse after a surge in: luteinizing hormone (lh). progesterone. follicle-stimulating hormone (fsh). androgens.
which families of metals are not so reactive, which allows them to exist by themselves in nature?
Answer:
precious metals
Describe the characteristics of two hybrid seeds of the green revolution
A. how do fossils help document the descent of modern species from ancient ancestors?
Which of the following is a structure in some plants that produces male sex cells?
Phloem
Tracheophyte
Antheridium
Archeogonium
What is a life cycle that alternates between sexual and asexual reproduction called?
Archegonium
Antheridium
Alternation of Generations
Metamorphosis
Answer:
If this is the seedless plants practice, here is the answers.
1.b
2.c
3.d
4.c
5.c
Explanation:
the answers for this question are on 4 and 5.
A culture medium on which only gram-positive organisms grow and a yellow halo surrounds staphylococcus aureus colonies is called a(n)
Rendon has been using xanax for a period of over six months. alex, his friend, asks him to stop using the drug as it adversely affects the body. brendon listens to alex and discontinues taking the drug. however, upon withdrawal, he experiences immense physical pain accompanied by increased craving for the drug. this is most likely due to
The reason of why Brendon experience immense physical pain and increased craving upon withdrawal because of physical dependence. Physical dependence is a physical condition that occurs after a gradual drug withdrawal in which the drug is being chronically used that upon withdrawal, it causes unpleasant symptoms, mainly, physical.
A nurse is assessing a client who comes to the clinic for care. which findings in this client suggest bacterial pneumonia?
The answer are Dyspnea and wheezing. It is lungs air sacks become inflamed, a common lung infection called pneumonia. The causes of this pneumonia is viruses, fungi or bacteria. The air sacs is also filled with fluid, pus and cellular debris. There are many ways why a child or a person catches bacterial pneumonia, one of those is the spread via air-borne droplets from a cough or sneeze.