Answer:
they use to live
Explanation:
As they breath out carbon dioxide the plants take in the carbon dioxide and make air with it. Animals also use air to do their day to day things like eat.
How are hydrogen ions (H+) essential for the production of ATP.
Answer:
it provides energy for conversion of ADP to ATP by ATP synthase. Anabolic pathways store energy by building molecules
Explanation:
Catabolic pathways release energy by breaking down molecules. ... Hydrogen ion generation is essential for ATP production because it provides energy for conversion of ADP to ATP by ATP synthase.
Hydrogen ions (H⁺) are essential for ATP production through chemiosmosis. The concentration gradient of hydrogen ions drives their movement through ATP synthase, resulting in the formation of ATP.
Explanation:Hydrogen ions (H⁺) are essential for the production of ATP through a process called chemiosmosis. The buildup of hydrogen ions in the intermembrane space or thylakoid lumen creates a concentration gradient.
Hydrogen ions, which are also known as protons, undergo a crucial process as they diffuse through ATP synthase, a highly specialized protein channel. This diffusion occurs along their electrochemical gradient, driven by the difference in concentration and electrical charge across the membrane.
ATP synthase, acting as a molecular turbine, harnesses the energy generated by the proton flow to catalyze the binding of a third phosphate group to adenosine diphosphate (ADP). Consequently, this chemical reaction results in the formation of adenosine triphosphate (ATP), which is the primary energy currency of cells and plays a pivotal role in various cellular processes.
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Which of the following are products in the process of photosynthesis?
Answer:
The products of photosynthesis are glucose (C6H12O6) and oxygen (O2)
Explanation:
Photosynthesis is the process carried out by plants so that there is the production of energy necessary for them to stay alive. Unlike animals, plants produce their own food.
In short, it is the production of food by the plant itself. In order for this process to happen, the plant removes carbon dioxide from the air and also uses energy from the sun. The products resulting from this process are the glucose that will promote the carbon absorption of the plant, and oxygen that will be released into the atmosphere.
What is difficult? what is the name for the balance that results from diffusion?
Need answer ASAP!! Will mark BRAINLY
What happens if a cell cannot produce the enzyme necessary for a specific metabolic reaction?
Answer:
that reaction will slow down or stop depending on the activation energy or requirements of the reaction
Explanation:
Without the necessary enzyme, the cell's metabolic pathways are disrupted. Enzymes act as catalysts to facilitate important reactions in the body, and a deficiency can be potentially harmful.
Explanation:If a cell cannot produce the necessary enzyme for a specific metabolic reaction, the metabolic pathway will become disrupted. Enzymes are vital as they act as catalysts, increasing the rate at which reactions occur in the body. Without the presence of these enzymes, certain reactions would not take place at a sufficient pace to keep the cell alive. Therefore, a deficiency in necessary enzymes can cause illness or even death.
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How do fertilizer requirements change when a crop leaves the vegetative stage and enters the flowering stage?
a) Less nitrogen and more phosphorus is required.
Less nitrogen and more potassium is required.
C)More nitrogen and less phosphorus is required.
More oxygen and less potassium is required.
Answer:
A: Less nitrogen and more phosphorus is required.
Fertilizer requirements changes in the above manner when a crop leaves the vegetative stage and enters the flowering stage.
Explanation:
The vegetative stage is the one when plant starts growing after germination. Plant develops foliage and flourishes. The process of photosynthesis is carried out, and collect different types of resources like CO2, nutrients, and lighting. These are needed during reproduction and flowering. Plants are more delicate at this stage than in the flowering stage.
The final phase of the plant growth is the reproductive stage or the flowering stage. The focus is the production of flowers, fruits, and seeds at this stage. Nitrogen is not at all required at this stage and plant needs other nutrients like Potassium and phosphorus at this stage.
please answer the following with a brief response.
convert 100km/h to m/s
Answer:
27.7777778 divide the speed value by 3.6
Explanation:
What is the difference between osmosis and diffusion?
A. Osmosis is movement of proteins, and diffusion is movement of water.
B. Diffusion uses energy, but osmosis does not.
C. Diffusion only occurs in animal cells, and osmosis only occurs in plant cells.
D. Osmosis is a kind of diffusion that involves movement of water.
Answer:
D.) Osmosis is a kind of diffusion that involves movement of water.
Explanation:
One big difference between osmosis and diffusion is that both solvent and solute particles are free to move in diffusion, but in osmosis, only the solvent molecules (water molecules) cross the membrane.
Here is the answer I chose (the previous answer that I thought was right) and the answer that was actually right.
The difference between osmosis and diffusion is that osmosis is a kind of diffusion that involves the movement of water. Hence, option D is true for the statement.
What are osmosis and diffusion?Osmosis is related to water, which means that in this process, the water molecules move across the semipermeable membrane. Here, no energy is required for the movement.
In diffusion, different molecules can pass the plasma membrane from the higher concentration to the lower concentration without spending energy (ATP). Both of these processes are passive, as energy is not required. In diffusion, different molecules such as sodium, potassium, etc. move from one side of the cell plasma membrane to the other. When the energy is spent for the movement, that is called active transport, and here the molecule is taken from a lower concentration to a higher one.
Hence, the difference between osmosis and diffusion is that osmosis is a kind of diffusion that involves the movement of water. Hence, option D is true for the statement.
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How are hydrogen ions (H+) essential for the production of ATP?
Answer:
Hydrogen ions (H+) are essential for the production of ATP because it provides energy in order for ADP to be converted to ATP.
Explanation:
Ion- In Science, "ion" is defined as an atom or a molecule that has a net electric charge. A net electric charge means that the total number of protons (subatomic particles with positive electric charge) is equal to the total number of electrons (subatomic particles with negative electric charge).
Hydrogen ion- This is an atom of a Hydrogen element.
ATP- This is also known as adenosine triphosphate. This is a molecule with high energy or a molecule that carries energy within the cells.
ADP- This is also known as adenosine diphosphate. This is an organic compound that consists of adenosine (a common medication used to treat tachycardia or a fast heartbeat) and two phosphate groups.
ATP is importantly converted to ADP in order to release a free energy that can make a cell condition favorable. In order to do so, the process of oxidative phosphorylation happens. Here, the hydrogen ions pass through the inner mitochondrial membrane (IMM) through ATP Synthase (an enzyme or a membrane protein). The protons then follows through. As it happens, the ADP is converted into ATP.
Which statement best describes this role of plastids in the plant cell
Answer:
Option B
Explanation:
Plastids is otherwise known as the chloroplasts.
The chloroplast contain chlorophyll pigments which convert light energy from the sun into glucose (chemical energy) during photosynthesis.
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The four main types of germs are what?
A. Viruses, bacteria, parasites, and fungi
B. Viruses, parasites, fungi, and phagocytes
C. Parasites, bacteria, lymphocytes, and fungi
D. Small, medium, large, and extra large
The four major types of germs are bacteria, viruses, fungi, and protozoa. They can invade plants, animals, and people, and sometimes they can make us sick.
The cladogram shown here shows the common ancestor of four classes of animals. One class that is missing is the modern-day fish. What does this image tell us about the ancient lobe-finned fish?
A) Lobe-finned fish did not have scales.
B) The lobe-finned fish had lungs, not gills.
C) The fins are muscle- and skin-covered bone.
D) The lobe-finned fish was the first organism to walk on land.
Answer:
c) tThe fins are muscle- and skin-covered bone.
Explanation:
Modern-day fish have fins that are composed of a set of webbed rays, not muscle- and skin-covered bone. Lobe-finned fish have fins of bone that articulate with the rest of the body, like the other four classes of animals in the cladogram. The cladogram also shows us that the bone structure was similar.
Answer:
c
Explanation:
A potted geranium sits in a windowsill absorbing sunlight. How does a root cell (which is not exposed to light) obtain energy to do cellular work such as active transport across its membrane?
options:
ATP is made in the leaves via photosynthesis and moved to the root.
Sugar is made in the leaves via photosynthesis and moved to the root.
The root cell makes ATP by cellular respiration using material absorbed from the soil.
The root cell makes sugar using the dark reactions (Calvin cycle) of photosynthesis.
Explanation:
Sugar is made in the leaves via photosynthesis and moved to the root.
Sugars made in the leaves via photosynthesis are stored elsewhere and transported to the root system. They are then available for respiration and oxidative phosphorylation which do not require light energy. The
Photosynthesis is a chemical pathway that’s integral to producing energy in plants and other primary producers. Energy in the form of molecules of glucose is produced from light, water and carbon dioxide while oxygen (from the light reaction) is released.
Further Explanation:
Respiration in the mitochondria utilizes glucose along with oxygen for the production of ATP in the Krebs’s cycle via the oxidization of pyruvate( through the process of glycolysis). Oxidative phosphorylation describes a process in which the NADH and FADH2 made in previous steps of respiration process give up electrons in the electron transport chain these are converted it to their previous forms, NADH+ and FAD. Electrons continue to move down the chain and the energy they release is used in pumping H+ to produce ATP from ATP synthase. At the end of the ETC molecules of oxygen accept electrons and protons to form molecules of water.
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Root cells in geraniums get energy from sugars translocated from the leaves where photosynthesis occurs. The sugars are used in cellular respiration to produce ATP which powers cellular functions like active transport.
The root cell in a geranium obtains energy to do cellular work such as active transport across its membrane by using ATP that is produced elsewhere in the plant. In this case, the leaves are responsible for photosynthesis, where light energy is captured and used to convert carbon dioxide and water into sugars, such as glucose and sucrose. These sugars are then translocated from the leaves to the root cells where they can be broken down during cellular respiration to produce ATP, which powers various cellular activities, including active transport.
This process of energy distribution within the plant from the site of photosynthesis (the leaves) to other parts of the plant (like the root cells) is an example of translocation. During translocation, photosynthates such as sucrose, move from the photosynthesizing mesophyll cells through plasmodesmata into sieve-tube elements in the phloem. The energy created by breaking down these sugars through cellular respiration is essential for root cells to function properly, especially since they are not exposed to light and cannot perform photosynthesis themselves.
What is the matter in organisms made of?
Answer:
All things — living and nonliving — are made of matter, and all matter is composed of tiny particles called atoms. Atoms combine together to form molecules. Atoms of different types are called elements.
Explanation:
Hope this helps
Matter in organisms is made up of elements like carbon, hydrogen, oxygen, nitrogen, and phosphorus, which combine to form molecules such as carbohydrates, lipids, proteins, and nucleic acids.
Explanation:Matter in organisms is made up of various elements, such as carbon, hydrogen, oxygen, nitrogen, and phosphorus. These elements combine to form molecules, which in turn form cells and tissues.
For example, carbohydrates, lipids, proteins, and nucleic acids are all types of molecules found in living organisms. Carbohydrates are made up of carbon, hydrogen, and oxygen atoms, while lipids are made up of carbon, hydrogen, and oxygen atoms as well, but in different ratios. Proteins are composed of amino acids, which contain carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. Nucleic acids, like DNA and RNA, are made up of carbon, hydrogen, oxygen, nitrogen, and phosphorus atoms.
Therefore, matter in organisms is primarily composed of elements like carbon, hydrogen, oxygen, nitrogen, and phosphorus, which combine to form various molecules.
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Which is the BEST explanation for how fluid pressure from freshwater helps plants to stand upright?
Answer:
Freshwater is a hypotonic solution, which causes the plant cells to swell because of turgor pressure
Explanation:
Fresh water is hypotonic to plant cells thus the plant cells absorbs water osmotically, the cell's vacuole enlarges, exerts an outward pressure on the cell wall called turgor pressure and becomes turgid, which keeps the plants upright.
The pressure increases as more water is taken into the vacuole which pushes the cytoplasm against the cell wall until the cell wall cannot stretch anymore. When the cell wall is being stretched outside it develops a resistant pressure to stretching that is equal and opposite to turgor pressure called wall pressure.
What evidence did Darwin use to support his theory of evolution? Check all that apply.
Answer:
The correct answers are: B, C and D.
Explanation:
(B) Darwin, which focused on the appearance of new species as substitutes for extinct species of the same natural group, making the comparison of fossil and modern specimens of the same natural group.
(C) Birds that are known as "Darwin's finches", For example, there were three or four distinct "varieties" or species of finches on the different islands. The most important differences between the species are in the size and shape of the beak.
He saw the slightly different forms of finches and turtles on different islands as early stages in the development of new species from common ancestors.
(D) He did observe that on the islands there are different forms of animals that would otherwise be similar. Their attention was also directed to the differences in the shapes of the giant tortoise shells, with each island in a slightly different form.
The replacement of extinct species by modern ones, as in the case of giant armadillos and sloths, the micro-version of the same geographic replacement patterns in different islands in a chain, finches and turtles.
What do we call the parameters of the area of a population when we are organizing the biosphere
Final answer:
In ecology, the areas concerning a population within the biosphere are defined as a population, community, ecosystem, and biome, which together encompass all zones of life on Earth.
Explanation:
Within the study of ecology, the parameters of the area of a population when organizing the biosphere relate to different concepts like population, community, ecosystem, and biome. All the individuals of a species living within a specific area are referred to as a population. The combination of different populations in an area makes up a community. Together, this community and the nonliving (abiotic) components of the environment such as water, soil, and sunlight constitute an ecosystem. A group of similar ecosystems make up a biome, and the biosphere is the sum of all biomes, representing all the zones of life on Earth.
How is the cell membrane similar to the cell wall? How are they different?
The main difference between cell wall and cell membrane is, cell membrane is present in all cells but cell wall is only present in plants, bacteria, fungi and algae. ... Cell wall covers the cell membrane and forms the outer covering. Cell membrane is partially permeable but cell wall is completely permeable.
What is the speed of a golf ball that moves 35 meters in 5 seconds
35 meters per second
B. 17 meters per second
c. 7 meters per second
D. 5 meters per second
Answer:
C IS THE ANWSER
Explanation:
COUNT BY 7'S
energy cannot be created or destroyed is that a Hypothesis, Theory, Or law?
Answer:
It's a law
The Law of Conservation of Energy
Explanation:
Answer:
Law
Explanation:
Energy cannot be created nor destroyed is the Law of Conservation of Energy
Which statement correctly describes the diagram?
Answer:b
Explanation:
8. Create a Punnett square to solve the following monohybrid cross Patty is homozycous dominant for freckles (55),
while Charlie is homozygous for no freckles (ss).
a. What is the genotype of the potential offspring?
b. What is the probability their children having no freckles?
Answer:
A Punnett square for the following monohybrid cross can be shown as follows:
s s
S Ss Ss
S Ss Ss
a) The genotype of the potential offspring will be Ss, they will be heterozygous dominant.
b) There is a zero% probability that the offspring will have no freckles. As one of the parents was homozygous dominant for the freckles, hence all of the offsprings will have freckles.
6 effects of weeds on crops
Answer:
1. They effect crop productivity
As weeds start to grow in the area where the crops were destined to grow, the production of the crops gets lowered.
2. They deplete the crops from nutrition
The weeds will compete with the crop plants for resources such as minerals from the soil.
3. They will deplete water resources
The weeds will compete with the crop plants for water.
4. Sun-light will be depleted
The weeds will complete with the crop plants for sun light.
5. The crop quality will be affected
As the crop plants will be in competition with the weeds, hence their quality will be affected.
6. They can reduce the biodiversity of crop plants.
Nitrogen has a melting point of -210.0°C and a boiling point of -195.8°C. A sample of nitrogen is heated from -215.0°C to -200.0°C. what happens to the nitrogen atoms during this?
Answer:
The atoms begin to move faster and spread apart. Hypothetically saying that it is a gas.
Explanation:
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Describe the Big Bang theory
Which of the following is true about the DNA molecule during transcription?
It unwinds from both ends.
O
It makes a copy of itself.
It opens up all of the way, one gene at a time.
Only a small area is opened,
Answer:
Only a small area is opened
Explanation:
The statement which is true about the DNA molecule during transcription is: D. Only a small area is opened.
Gene expression in living organism is mainly controlled on two (2) main levels and these are:
Translation.Transcription.Transcription can be defined as a biological process which typically involves re-writing the genetic code (information) contained within a deoxyribonucleic acid (DNA) into a ribonucleic acid (RNA) by using an enzyme RNA polymerase.
During transcription, only a small area (portion) of the deoxyribonucleic acid (DNA) is open for it to be re-written into a ribonucleic acid (RNA).
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30 pts! In 1907, Dr. Duncan MacDougall performed a series of experiments in which he attempted to measure the weight of the soul as it left a dying person. In his experiments, MacDougall placed a dying person on a scale and measured their weight immediately prior to and following death. MacDougall determined the change in weight to be approximately 21 grams. From these experiments, he concluded that the soul exists and has mass. What is the fundamental scientific flaw in his conclusions?
They are based on the concept of the soul, which is beyond the bounds of science.
They are based on the idea that the soul is made of matter, not energy.
They are based on the assumption that the soul does not remain in the body after death.
They are based on the concept that the soul can be measured.
Answer:
The Answer is "A"
Explanation:
The statement that represents the fundamental scientific flaw in his conclusions is as follows:
They are based on the concept of the soul, which is beyond the bounds of science.Thus, the correct option is A.
What is a Scientific flaw?A Scientific flaw may be defined as any observation that is significantly done and published then it is found that it is not completely true or contain any sorts of mistakes or imperfection.
It is exactly true that the study of the soul better is understood in the field of psychology rather than science. These are absolutely based on the concepts of the soul.
But this experiment of measuring the exact weight of the soul is beyond the bounds of science. The concept of science is based on scientific methods, rather than predicting the thing that is undefined.
Therefore, the correct option for this question is A.
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When (blank) is released from a (blank) neuron and binds with receptors on the motor endplate, the muscle begins to (blank)
So I’m supposed to fill in the blanks with this one, and I not sure what the blanks are?
A second question I’m stuck on is a multiple choice one,
Calcium Ions move by which mechanism into the cell and bind with tropomyosin and troponin?
osmosis
active transport
telepathy
diffusion
Answer:
Explanation:
I think it is: acetylcholine (neurotransmitter) - motor neuron - contract
second question: diffusion because of opening of ca2+ channels
Acetylcholine is used by the somatic nervous system at the neuromuscular junctions, where it causes the firing of motor neurons and influences voluntary movements. Thus, option D is correct.
What value of calcium ion in muscle contraction?If calcium ions are available, they attach to troponin and modify its shape, allowing tropomyosin to migrate away from the myosin-binding sites on actin.
Tropomyosin generally blocks, however when there is a high calcium ion concentration, the calcium ions attach to troponin and modify the troponin's confirmation, which causes the tropomyosin to shift out of the way.
A burst of intracellular calcium ions that bind to troponin on the actin-containing thin filaments of cardiac muscle cells causes each heartbeat.
Therefore, diffusion is the process Calcium Ions move by which mechanism into the cell and bind with tropomyosin and troponin.
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1. Maria's symptoms are 1) wheezing, 2) problems gaining weight, and 3) salty
skin. What disease do you think Maria suffers from? Why? Are there other
symptoms her parents might have missed?
Final answer:
Maria likely suffers from cystic fibrosis, which primarily affects the respiratory and digestive systems. Other symptoms her parents might have missed include chronic cough, frequent lung infections, sinusitis, and infertility in males.
Explanation:
Maria's symptoms of wheezing, problems gaining weight, and salty skin are indicative of a genetic disorder called cystic fibrosis (CF). CF is a condition that primarily affects the respiratory and digestive systems. The wheezing is caused by the buildup of thick, sticky mucus in the airways, making it difficult to breathe. The problems gaining weight result from the inability to properly absorb nutrients due to the dysfunction of the digestive system. Salty skin is a characteristic feature of CF due to elevated levels of salt in sweat.
Other symptoms related to CF that Maria's parents might have missed include chronic cough, frequent lung infections, sinusitis, and infertility in males.
Which of the following is under voluntary control?
HERE
O External urethral sphincter
CA
HE
O Renal pelvis
O Ureters
Internal urethral sphincter
Urinary bladder
Answer: The EUS is under voluntary control.
Explanation: Unlike the IUS, the EUS is composed of skeletal muscle; therefore, it is voluntarily controlled through the somatic nervous system
The external urethral sphincter is under voluntary control as it allows individuals to decide when to urinate, unlike other parts of the renal system.
Explanation:The external urethral sphincter is under voluntary control. The external urethral sphincter is a ring of muscle that helps to control the flow of urine. It can be consciously controlled to initiate or stop the process of urination. Unlike the internal sphincter that operates involuntarily, the external urethral sphincter allows individuals to decide when to urinate making it voluntary.
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6. What is the main function of the green pigments (chlorophyll a & b)?
Answer and Explanation:
Chlorophyll a is the most used photosynthetic pigment and absorbs blue, red and violet wavelengths in the visible spectrum. It participates mainly in oxygenic photosynthesis in which oxygen is the main byproduct of the process. Chlorophyll b primarily absorbs blue light and is used to complement the absorption spectrum of chlorophyll a by extending the range of light wavelengths a photosynthetic organism is able to absorb.
Both of these chlorophyll molecules capture light energy and transfer it to the reaction center of the cell. Henceforth, electrons are passed from this absorbed light energy to water molecules resulting in the formation of hydrogen ions and oxygen atoms.
The main function of chlorophyll a and b is to absorb light energy during photosynthesis, initiating the conversion of light energy into chemical energy essential for plant growth and metabolism.
The main function of the green pigments chlorophyll a and b is to absorb light energy during the process of photosynthesis in plants. These pigments are embedded within the thylakoid membranes of chloroplasts, where they play a critical role in capturing photons of light energy from sunlight.
Chlorophyll molecules specifically absorb blue and red wavelengths of light, while reflecting or transmitting green wavelengths, giving plants their characteristic green color.
Once light energy is absorbed by chlorophyll, it initiates the process of photosynthesis, where light energy is converted into chemical energy in the form of ATP and NADPH, which are used to fuel the synthesis of organic molecules, such as glucose, from carbon dioxide and water.