I NEED HELP ASAP (IF IT IS CORRECT THEN ILL MARK BRAINLIEST) which do guard cells control? A. the rate of food production B. movement through phloem C. movement through xylem D.the size of the stomata

B. Red blood cells.

They can only run the anaerobic energy extraction pathway.

Both use glycolysis to oxidize glucose to pyruvate.Aerobic respiration is a metabolic process that requires oxygen. It is the process in which cells utilize oxygen to burn food and produce ATP for energy. Aerobic respiration produces energy for cell activities, such as cell division, DNA replication, protein synthesis, and muscle contractions. Aerobic respiration has three stages: glycolysis, the Krebs cycle, and oxidative phosphorylation.

Anaerobic respiration is a metabolic process that does not require oxygen. It is a process in which cells burn food to produce energy without the need for oxygen. Anaerobic respiration takes place in the cytoplasm of the cell. It is the process that some cells, such as yeast cells, use to produce energy. During anaerobic respiration, cells use glycolysis to break down glucose into two molecules of pyruvic acid, which are then converted into other molecules.

In the absence of oxygen, pyruvic acid is fermented to produce either lactic acid or ethanol.Both aerobic and anaerobic respiration use glycolysis to oxidize glucose to pyruvate, so option 4 is correct. Option 1 and 3 are incorrect because only anaerobic respiration produces either lactic acid or ethanol as a byproduct. While, option 2 is incorrect because, although both aerobic and anaerobic respiration produce NADH as high-energy intermediates, they produce ATP differently.

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Answer:

answer should be "carbon dioxide"

sorry if I’m wrong! Hope it helped

Explanation:

male anther of a flower to the female stigma of a flower. This helps to bring about fertilization of the ovules in the flower by the male gametes from the pollen grains.

Insect pollinators include bees, (honey bees, solitary species, bumblebees); pollen wasps (Masarinae); ants; flies including bee flies, hoverflies and mosquitoes; lepidopterans, both butterflies and moths; and flower beetles. Vertebrates, mainly bats and birds, but also some non-bat mammals (monkeys, lemurs, possums, rodents) and some lizards pollinate certain plants. Among the pollinating birds are hummingbirds, honeyeaters and sunbirds with long beaks; they pollinate a number of deep-throated flowers. Humans may also carry out artificial pollination.

A pollinator is different from a pollenizer, a plant that is a source of pollen for the pollination process.

The transmission of sound waves through the external ear and the middle ear is known as air conduction.

Air conduction involves the sound waves passing through the ear canal and causing the eardrum to vibrate. These vibrations are then transmitted through the ossicles in the middle ear, which amplify and transfer the vibrations to the inner ear. From there, the vibrations are converted into electrical signals that are sent to the brain for processing.

Air conduction is the most common method of hearing and is used in everyday listening situations. However, there is also another type of hearing called bone conduction, where the vibrations are transmitted directly to the inner ear through the bones of the skull.

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Answer:

2:A other i don't know.....

Answer:

Increased tax revenue could pay for more government-provided services. This includes things like Social Security, Medicare, food stamps for the poor, infrastructure, etc.

Basically, an increase in tax revenue can raise money for the government to pay for more things that benefit the American people as a whole

Explanation:

Synaptic changes are thought to be an essential part of memory formation and storage. This theory suggests that memories are encoded, stored, and retrieved by changes in the strength of connections between neurons.

An increase in the number of synapses, known as synaptic plasticity, is observed when new memories are formed. This strengthening of synaptic connections makes it easier to recall previously learned information and can also increase the speed at which information can be processed.

Additionally, modifications of existing neurotransmitter receptors and the amount of neurotransmitters released in response to stimuli can also alter synaptic connections and mediate memory formation. Finally, studies suggest that the hippocampus and other areas of the brain are involved in long-term memory storage, which is associated with the change in synaptic strength and the building of new connections.

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Answer:The Endoplasmic Reticulum or the ER, and Ribosomes.

Explanation:

Answer:

High concentrations of DDT disturb calcium metabolism in birds. It causes thinning of egg shell and their premature breaking. Thus, there is decline in bird population.

As one c-subunit enters the membrane, another exits the membrane, and its proton is released through the second half-channel in subunit a into the mitochondrial matrix. In this way, the c-ring turns processively. This is True.
ATP synthesis in mitochondria:
This statement describes the process of ATP synthesis in mitochondria, where protons (H+) are pumped out of the mitochondrial matrix and into the intermembrane space. These protons are then allowed to flow back into the matrix through the ATP synthase enzyme, which uses the energy from their movement to generate ATP (adenosine triphosphate). The c-ring is a component of the ATP synthase enzyme, and its turning is essential for the production of ATP. Electrons are also involved in the process, being passed through the electron transport chain to create the proton gradient necessary for ATP synthesis.

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A band of fibrous connective tissue attaching muscles to bones is called a tendon. Tendons play a crucial role in the musculoskeletal system by connecting muscle to bone, allowing the transfer of forces generated by muscle contraction to produce movement.

Tendons are composed primarily of dense regular connective tissue, consisting of collagen fibers arranged in parallel bundles. The collagen fibers provide strength and stability to the tendon, enabling it to withstand high levels of tension during muscle contraction. The arrangement of collagen fibers also allows for efficient transmission of forces from the muscle to the bone.Tendons are characterized by their strong and flexible nature, providing stability and support to joints and facilitating smooth and controlled movement.

They act as a bridge between muscles and bones, transmitting the forces generated by the muscle contraction to produce movement at the joint. In addition to their mechanical function, tendons also play a role in proprioception, providing sensory feedback to the central nervous system about the position and tension of muscles and joints. This information is essential for coordinating movement and maintaining proper posture.

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Answer:

Thermal Energy and Chemical Reactions

The device controlled the activation as shown by the water holding room temperature for 15 seconds until activation by crushing the pills. The temperature rose 30° over two minutes,showing a measurable exothermic reaction from the Calcium Chloride dissolving in the water.

Pour 5mL water in a quart bag

Place Thermometer in the bag to make contact

Fill two gelatin 000 capsules with 1 gram of Calcium Chloride

Place capsules into the bag

Wait 15 seconds to crush the capsules while they are submerged in the water

-Temperature

0 seconds 75 degrees

15 seconds - Activation 75 degrees

30 seconds 85 degrees

60 seconds 95 degrees

90 seconds 104 degrees

120 seconds 105 degrees

Conclusion: During a reaction, thermal energy from the environment is converted into chemical energy stored in the products.

Answer:

Thermal energies & Chemical reactions

Explanation:

Thermal Energy and Chemical Reactions

The device controlled the activation as shown by the water holding room temperature for 15 seconds until activation by crushing the pills. The temperature rose 30° over two minutes,showing a measurable exothermic reaction from the Calcium Chloride dissolving in the water.

Pour 5mL water in a quart bag

Place Thermometer in the bag to make contact

Fill two gelatin 000 capsules with 1 gram of Calcium Chloride

Place capsules into the bag

Wait 15 seconds to crush the capsules while they are submerged in the water

-Temperature

0 seconds 75 degrees

15 seconds - Activation 75 degrees

30 seconds 85 degrees

60 seconds 95 degrees

90 seconds 104 degrees

120 seconds 105 degrees

Final Conclusion: During a reaction, thermal energy from the environment is converted into chemical energy stored in the products.

The system of agriculture that uses organic fertilizers including compost manure, etc. It can have some struggles like pests, difficulty in marketing, limited organic food. Smart strategy, responsible public activity, scientific planning, and government support can help it to overcome.

Organic farming is very much important as it can yield higher as compared to conventional farming.

The main reason behind the struggling of the farmers related to organic farming are:

The farmers should be guided to have smart strategy, contacting with government to overcome the problems, scientific planning, etc.

Thus, by adopting the listed strategies one can overcome the struggle in organic farming.

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Answer:

Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

Explanation:

Answer:

Among human beings, imitation can include such everyday experiences as yawning when others yawn, a host of unconsciously and passively learned replications of social conduct, and the deliberate adoption of the ideas and habits of others.

Explanation:

Answer:

speech

Explanation:

Speech is learned through imitation. Children hear their parents talk and over time try and imitate those sounds.

The standard heat of formation of compound C₃H₄ is 276.8kJ/moles

In this case, the equation used to model the heat transfer to the calorimeter and calculate the heat of reaction is:

ΔHrx = mcΔT

where ΔHrx is enthalpy, m is mass, c is the specific heat, and ΔT is the temperature change. Obtained by substituting water volume, temperature change, and specific heat.

This reaction enthalpy corresponds to the combustion of propyne.

C₃H₄ + 4O₂⇒3CO₂ +2H₂O

Changes in their enthalpies affect the enthalpies of formation of propyne, carbon dioxide, and water, targeting the enthalpy of propyne.

ΔHrx = 3ΔHf CO₂ + 2ΔHf H₂O - ΔHf C₃H₄

However, the reaction enthalpy must be expressed in kJ per mole of C₃H₄, so divide by the corresponding number of moles in 7.00 g of this compound.

ΔHrx = -339.16 kJ x 1/7.00 g x 40.06 g/1 mol = -1940.9kJ/mol

Then solve for the enthalpy of formation of C₃H₄ as shown below.

ΔHf C₃H₄ = 3ΔHf CO₂ + 2ΔHf H₂O - ΔHrx

So plug in and get (the enthalpies of formation of CO2 and H2O can be found in the NIST database):

ΔHf C₃H₄ = 3ΔHf CO₂ + 2ΔHf H₂O - ΔHrx

ΔHf C₃H₄ = 3(-339.16 kJ) + 2(-241.8 kJ) - (-1940.9 kJ)

ΔHf C₃H₄ = 276.8kJ/moles

Your question is incomplete but most probably your full question was

7.00 of Compound x with molecular formula C3H4 are burned in a constant-pressure calorimeter containing 35.00kg of water at 25c. The temperature of the water is observed to rise by 2.316c. (You may assume all the heat released by the reaction is absorbed by the water, and none by the calorimeter itself.) Calculate the standard heat of formation of Compound x at 25c.

Be sure your answer has a unit symbol, if necessary, and round it to 3 significant digits.

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Bicarbonate ions (\(HCO^{-} _{3}\)) are the most common form of carbon dioxide transport in the blood.

Carbon dioxide diffuses from the tissues into the bloodstream, where it reacts with water (\(H_{2}O\)) to form carbonic acid (\(H_{2}CO_{3}\)), which then dissociates into bicarbonate ions (\(HCO^{-} _{3}\)) and hydrogen ions (\(H^{+}\)). The majority of the bicarbonate ions are then transported in the plasma, while some are taken up by red blood cells, where they are exchanged for chloride ions in a process called the chloride shift. This allows for the efficient transport of carbon dioxide from the tissues to the lungs, where it is then expelled from the body during exhalation. Other forms of carbon dioxide transport in the blood include physically dissolved carbon dioxide and carbamino compounds, which are formed by the binding of carbon dioxide to hemoglobin. However, these forms are much less abundant than bicarbonate ions.

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Answer:

B, and D

The Utopians make chamber-pots out of gold.

The Utopians use gold to chain enslaved people.

Explanation:

Answer:xB and D: The Utopians make chamber-pots out of gold.The Utopians use gold to chain enslaved people.

Explanation:I hope it helps 2023

If you were asked to remember a list of items while scuba diving, your ability to recall that list would be worse if you were asked to do so while back on dry land. This is due to a phenomenon called context-dependent memory.

This is about the effect of scuba diving on the ability to recall a list of items.  This is due to a phenomenon called context-dependent memory. Context-dependent memory suggests that our ability to recall information is better when we are in the same environment in which we learned the information. So, when you learn the list underwater while scuba diving, you may struggle to recall it on dry land because the context has changed.

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Answer:

It can be, but not really

Explanation:

This is because cells can be the building block of an organism, e.g. humans, but they can also be their own separate organism, such as a bacteria.

A dichotomous key is a tool used in biology to identify different species based on their physical characteristics. It works by presenting the user with a series of paired statements, called couplets, that describe different traits.

The user then chooses which statement in each couplet best describes the organism they are trying to identify, until they reach the end of the key and arrive at a specific identification.

In order to identify the items listed (scissors, a sharp knife, a butter knife, a pen, and a pencil), we can use a dichotomous key with four couplets. The first couplet would distinguish between cutting tools (scissors, sharp knife, and butter knife) and writing tools (pen and pencil). The second couplet would distinguish between tools with blades (scissors and sharp knife) and those without blades (butter knife, pen, and pencil). The third couplet would distinguish between tools with sharp blades (sharp knife and scissors) and those with dull blades (butter knife, pen, and pencil). The fourth and final couplet would distinguish between tools made for cutting (scissors and sharp knife) and those made for writing (butter knife, pen, and pencil).

Some characteristics that are shared among all of the items include their shape, size, and the fact that they are all handheld tools. However, these characteristics are not included in a dichotomous key because they are not specific enough to distinguish between different species or types of organisms. Dichotomous keys focus on more detailed characteristics that are unique to each organism and can be used to identify them accurately.

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Blood flows from the renal artery to the segmental arteries in the area of the renal sinus.

1. Blood enters the kidney through the renal artery.

2. The renal artery branches into smaller arteries called segmental arteries.

3. Segmental arteries further divide into interlobar arteries, which run between the renal lobes.

4. Interlobar arteries then branch into arcuate arteries, which are located at the base of the renal pyramids.

5. Arcuate arteries give rise to interlobular arteries, which extend into the renal cortex.

6. Finally, interlobular arteries branch into afferent arterioles, which supply blood to the glomerulus within the nephron for filtration.

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The  two statements  that describe advantages of genetic engineering are.

Genetic engineering, often known as genetic modification or genetic manipulation, is the technological modification and manipulation of an organism's DNA.

Plants can be genetically modified by inserting a certain DNA sequence into their genomes to confer new or different traits. This could entail altering the plant's growth pattern or conferring disease resistance on it.

Therefore, genetic engineering helps to improve plant species.

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Answer:

Fermentation replaces the Krebs cycle when there is inadequate oxygen and lasts for a much shorter duration, which depends on the individual.

Explanation:

The best way to describe this is when someone is running. While they are exerting their maximum effort, they breathe very heavily to make up for a lack of oxygen. The muscles they are using take up more oxygen than the lungs can obtain, so the cells switch over from the more efficient Krebs Cycle as a last-ditch effort to provide the energy that individual needs.

This is a very inefficient way of producing ATP because it only yields 2 ATP per glucose molecule, as opposed to roughly 26 ATP through the Krebs Cycle.

One common misconception here is that lactic acid buildup occurs during this process, and while that is partly true, the lactic acid would suffocate the cells and lead to death if lactic acid were to build up in the way people believe.

As for how long Fermentation can occur, it depends on the fitness of the individual, as the Fermentation process would likely only last for a few seconds for an out-of-shape individual and over an hour in a long-distance runner.

It also depends on whether or not the person has trained their muscle for endurance or short bursts of strength. A sprinter cannot use Fermentation for long but a marathoner may use Fermentation for the last hour of their run.

Answer:

They use a tool called a Lidar.

The percentage of the homozygous dominant genotype is 0.04 or 4%

An important fundamental principle of population genetics is the Hardy-Weinberg Equilibrium (HWE), which states that "genotype frequencies in a population remain constant between generations in the absence of disturbance by external factors."

if, \(p^{2}\)   = 64% = 0.64

Therefore, the percentage of the recessive allele in the population,

q = 0.8

Since, p + q = 1, the percentage of the dominant allele in the population, p = 0.2

Now, the percentage of homozygous dominant genotype in the population,\(p^{2}\) = \((0.2)^{2}\) = 0.04 or 4%

the percentage of heterozygous genotype, 2pq = 2(0.8)(0.2) = 0.32 or 32%

(complete question)

The percentage of homozygous recessive individuals (for one particular trait) in a population is found to be 64%. Assuming the population is at Hardy Weinberg equilibrium, what is the proportion of the heterozygous genotype? (give your answer as a decimal between 0-1)

p+q=1(p= freq. of dominant allele, q= freq. of recessive allele)

\(p^{2}\) +2pq+ \(q^{2}\) =1

( \(p^{2}\)= proportion of homozygous dominant genotypes,

2pq = proportion of heterozygous genotypes,

\(q^{2}\)=proportion

of homozygous recessive genotypes)

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