7
How do carbon dioxide and oxygen move into and out of a mesophyll cell?
A active transport
B
diffusion
osmosis
D transpiration

The cell cycle is an organized series of processes that take place in a cell before cell division.

The cell cycle is a four-stage procedure in which the cell enlarges (gap 1, or G1), copies its DNA (synthesis, or S), gets ready to divide (gap 2, or G2), and splits (gap 4, or S).

Interphase, which accounts for the time between cell divisions, is made up of the stages G1, S, and G2. A cell "decides" whether to enter the cell cycle and divide based on the stimulatory and inhibitory signals it receives.

Growth factors, growth factor receptors, signal transducers, and nuclear regulatory proteins are the four groups that can be used to categorize the proteins that are involved in promoting cell division.

Therefore, The cell cycle is an organized series of processes that take place in a cell before cell division.

To learn more about cell cycle, refer to the link:

https://brainly.com/question/15876101

#SPJ1

If the mother is color blind and the father is normal, the chance that their son will be color blind is ¼ or 25%.

The color-blind mother's genotype is XXc and the normal father's genotype is XY, so the offspring are:

Parents: XXc >< XY

Gametes: X , Xc >< X , Y

Generation:

XX (normal female)

XY (normal male)

XXc (carrier female)

XcY (color-blind male)

The phenotypic ratio is:

¼ (normal female)

¼ (normal male)

¼ (carrier female)

¼ (color-blind males)

Learn more about color-blind cross at https://brainly.com/question/29511697

#SPJ4

Your answer is in fact correct

Examples of various concepts of the natural section are

Variation: Eye colour, body form, and disease resistance,

competition: Plants compete with each other for light exposure, temperature, humidity, pollinators, soil nutrients and growing space

struggle for survival: migration, hibernation, food collecting and storage, defensive actions, and child-rearing.

The term "natural selection" refers to the process through which populations of living organisms adapt and change. Because population members are naturally different, each member of a population is unique in some aspects. This variation demonstrates how some people are more likely than others to have characteristics that fit in with their environment.

More environment-adapted species typically survive and reproduce more frequently than less environment-adapted ones through a process called natural selection. For instance, tree frogs are occasionally eaten by birds and snakes.

Natural selection is the term for Charles Darwin's theory of evolution. Due to the scarcity of resources in nature, animals with heritable features that help in survival and reproduction frequently produce more offspring than their contemporaries, increasing the prevalence of such traits through successive generations.

Learn more about struggle for survival from:

https://brainly.com/question/28673082

#SPJ4

Capillary action happens in light of the fact that water is tacky, on account of the powers of attachment (water particles like to remain nearby) and bond (water atoms are drawn in and stick to different substances).

The development of water particles in the plant body is because of the cement powers between the water atoms and surfaces of the root and stems. The durable powers present between the water particles keep them intact and back off their transportation.

Since water particles like to remain together (attachment) and like to adhere to the walls of the containers of cellulose (bond), they ascend the cylinders as far as possible from the roots to the leaves. Water then, at that point, dissipates from the leaves, assisting with drawing up additional water from the roots. This interaction is called hairlike activity.

To learn more about Capillary here

https://brainly.com/question/83042

#SPJ4

At the peak of depolarization, voltage-gated Na+ and K+ channels undergo a series of changes. Specifically, the inactivation gates of voltage-gated Na+ channels close and the inactivation gates of voltage-gated K+ channels open.

This allows for the flow of Na+ ions into the cell and K+ ions out of the cell, thus creating an electrical potential difference across the plasma membrane. The closing of the inactivation gates of voltage-gated Na+ channels is an important step in depolarization, as it allows for the influx of Na+ ions into the cell.

This influx of Na+ ions causes the cell to become more positively charged and thus more depolarized. The opening of the inactivation gates of voltage-gated K+ channels also plays an important role in depolarization, as it allows for the efflux of K+ ions out of the cell. This efflux of K+ ions causes the cell to become more negatively charged and thus more depolarized.

In addition to the inactivation gates of voltage-gated Na+ and K+ channels, the activation gates of these channels also undergo changes at the peak of depolarization. Specifically, the activation gates of voltage-gated Na+ channels close and the activation gates of voltage-gated K+ channels open. This allows for the influx of Na+ ions into the cell and the efflux of K+ ions out of the cell, further contributing to the depolarization of the cell.

Learn more about depolarization at: https://brainly.com/question/10842164

#SPJ4

Answer: The appendix is a vestigial organ located at the lower right side of the abdomen. Its structure is like a thin tube of about 2-20cm. This can be known through its location at the lower end of the cecum which is a pouch-like structure in the large intestine.

Explanation: The appendix is located in the region of the body where the small intestine connects to the large intestine. It's a short tube that's roughly an inch and a half in diameter. In most people, the appendix is located in the right bottom quadrant of the abdomen.

It is not known what role the appendix plays in the body. There is a school of thought that suggests the appendix works as a repository for healthy bacteria, "rebooting" the digestive system after an illness that causes diarrhea. Some medical professionals are of the opinion that the appendix is nothing more than an evolutionary relic that serves no use. There are no obvious negative health effects associated with surgical removal of the appendix.

Domestication of many organisms, such as honeybees and livestock causes a decrease in the genetic diversity of the organisms.

Genetic diversity refers to the range of genetically different individuals that are present in the same species. Domestication is the process by which the wild animals as well as plants are adapted to the human environment.

Domestication of livestock and honeybees is often done for economic reasons. An unintended consequence of the process of domestication is the decrease in the genetic diversity of the species. This decreases leads to a decrease in the variation which reduces the survival advantage of these species.

To know more about variation here

https://brainly.com/question/30112568

#SPJ4

The stages of respiration in 3 steps include the following below:

This is referred to as a metabolic process in which the living cells of an organism obtains energy in the form of ATP by taking in oxygen and liberating carbon dioxide.

The lungs is referred to as the central organ for respiration in humans and it involves the process in which oxygen is diffused into the lungs and releasing carbon dioxide as the by-product as result of it being breathed out of the body.

Fermentation takes place under anaerobic conditions which means with no or insufficient amount of oxygen being present and it does not fully oxidize glucose instead, small, reduced organic molecules are produced as waste.

Read more about Respiration here https://brainly.com/question/22673336

#SPJ1

Answer:

the Variable that need to be controlled in this investigation is :

1. Temperature: Temperature affects the rate of the reaction and must be kept constant throughout the experiment to ensure accuracy.

2. Concentration: The concentration of the reactants must be kept constant in order to ensure that the reaction rates are being accurately measured

Hormones are released by endocrine glands by three mechanisms including humoral stimuli, neural stimuli, and hormonal stimuli.

Humoral stimuli, hormonal stimuli, and neurological stimuli are the three main ways that endocrine glands are triggered to produce and release hormones. A change in extracellular fluids like blood or the ion content in the blood that impacts the release of hormones is known as a humoral stimulus. A hormone is released in reaction to a hormonal stimulus, which is the release of another hormone. Some endocrine glands release hormones when they are stimulated by hormones produced by other endocrine glands. When the neurological system directly triggers the release of hormones from the endocrine glands, this is referred to as a neural stimulus.

Negative feedback is primarily responsible for controlling hormone release and production. A stimulus causes the release of a substance in negative feedback systems; when the substance reaches a specific level, it sends a signal that prevents further release of the substance. By doing this, a specific range of hormone concentrations in the blood is maintained.

To know more about the endocrine glands, refer to the following link:

https://brainly.com/question/29213361

#SPJ4

An ecosystem that has experienced a disruptive event, such as a volcanic eruption, will take time to recover from the effects of the disruption. The recovery process of an ecosystem is a complex, interconnected process between the biotic and abiotic components of a system. The recovery process that follows a disturbance varies depending on the type of disruption and the environment in which it occurs.

When a volcanic eruption occurs, it can release a great deal of ash and debris into the environment, and the effects can be devastating. The ash and debris can severely damage the terrestrial and aquatic ecosystems in the surrounding area, resulting in a loss of habitat, food sources, and other important resources. Additionally, the ash and debris can block sunlight and reduce photosynthesis, which can lead to a decrease in plant growth and a disruption of the food web.

For more information on  ecosystem  , visit :

https://brainly.com/question/1263301

#SPJ4

I know that the kittens come from the same litter because they have a similar appearance.

We know that the term reproduction would have to do with the process by which the organisms that are part of a species would be able to produce the young ones that are of the same kind with them.

We know that if the kittens do come from the same litter that there would be some kind of resemblance that they carry that would show that the genes that they are having do come from a common source.

Learn more about kitten:https://brainly.com/question/18596337

#SPJ1

It is a response to a scientific query that is largely supported by research.

Gregor Mendel's scientific research on pea plants led him to the fundamental ideas of heredity. He came to the conclusion that genes were inherited as distinct, paired units from each parent. Mendel observed how parental genes separated and if they showed up in dominant or recessive qualities in the children.Mendel's theory of partial inheritance.The inherited phenotypes, according to his prediction, do not converge across generations. Instead, he proposed that the progeny get distinct "particles." The dominant phenotype would manifest itself if one of these particles has the upper hand.

Learn more about research

https://brainly.com/question/10885702

#SPJ4

A population exceeding its carrying capacity will suffer a(n) dieback; crash or crash; dieback, unless the excess individuals can switch to new resources or move to a new area.

A population is in overshoot while it exceeds to be had wearing ability. A populace in overshoot might also additionally completely impair the long-time period effective capacity of its habitat, lowering destiny wearing ability. It might also additionally continue to exist quickly however will finally crash because it depletes important herbal capital (useful resource) stocks. Carrying ability may be described as a species' common populace length in a specific habitat. The species populace length is confined through environmental elements like good enough food, shelter, water, and mates. If those wishes aren't met, the populace will lower till the useful resource rebounds.

To learn more about population check the link below:

https://brainly.com/question/20319955

#SPJ4

Hershey and Chase demonstrated that DNA is the sole substance transmitted directly from bacteriophages into bacteria when the bacteria are infected by these viruses by utilizing radioactive labels that would integrate selectively into either DNA or protein but not both.

Alfred Hershey and Martha Chase began looking for genetic material in organisms in 1952. Their investigations proved unequivocally that DNA is genetic material. Bacteriophages (viruses that attack bacteria) were key to Hershey and Chase's experiment.

Proteins were assumed to be the molecules that carried genetic information for many decades. Several researchers' efforts resulted in the revelation that DNA is the genetic material. Griffith found the process of change along the road.

Learn more about to DNA

https://brainly.com/question/264225

#SPJ4

The dorsal and ventral face of the leaf is surrounded by a cuticle secreted by the epidermis. In the middle, there are chlorenchyma and lacunar parenchyma cells. In the ventral face we can also find guard cells. Option D) 2 and 4.​

Usually, in a leaf, we can identify two faces, the dorsal and the ventral ones. Both of them are protected by a dermal system, the epidermis that produces the cuticle.

On the ventral face, we can differentiate the stomata. Stomata are small pores placed in the leaf's surfaces, whose opening is regulated by two guard cells surrounding them.

Among other organelles, guard cells have chloroplasts to photosynthesize.

Inbetween the dorsal and ventral surfaces, we can find the fundamental tissue. This tissue is composed of

In the exposed image,

1) Dorsal Epidermis

2) Clorenchima (palisade parenchyma)

3) Ventral Epidermis

4) Guard cells

According to this framework, Clorenchima (palisade parenchyma) and Guard cells have the highest number of chloroplasts.

Option D) is correct. 2 and 4.

You can learn more about the leaf anatomy at

https://brainly.com/question/12911773

https://brainly.com/question/6809283

#SPJ1

Cell division is essential for growth and development of organisms. Cell division is regulated by the cell cycle, which consists of four phases: G1, S, G2, and M.

During G1, the cell grows and performs its normal activities. The S-phase is when the cell makes DNA. The cell gets ready to divide during G2. The cell divides into two daughter cells during the M-phase.

Occasionally, cells enter a resting phase called G0. This phase is characterized by the cell not actively growing and dividing. Cells in this phase are usually post-mitotic, meaning they are not planning to divide anymore and have exited the cell cycle.

Liver cells can divide and enter the cell cycle and produce new cells if the liver is damaged, up to 75%. This is possible because liver cells are bi-potent, meaning they have the potential to divide and create new liver cells. On the other hand, brain cells are post-mitotic and cannot enter the cell cycle and divide. Therefore, if the brain is damaged, it cannot produce new brain cells since they are not able to divide.

To learn more about Cell division visit:

https://brainly.com/question/13312481

#SPJ4

Answer:

Give me the options in the comment section and I'll edit this answer with the correct two answers.

Answer:

lemon juice

Explanation:

Acids prevent browning because they react with the oxygen that comes into contact with the surface of the sample. Once all the acid (or whatever else is covering the surface) has reacted with the oxygen or the acid has degraded or washed off, then the sample will start to brown again. Stronger acids, like lemon juice, can even denature the enzyme. This means that the enzyme can no longer perform its original function because of its environment.

Measure out and carefully pour a quarter cup of oil into the Oil+Water container. Watch the water and oil in the bottle while letting it rest on a tabletop or other flat surface.

Orchids can survive up to 20 years in the wild, depending on their species and the environment. While potted orchids don't have quite the same longevity, with proper care, they may survive for 10 to 15 years. According to some reports, orchids have far longer life spans.

The orchid represents love, beauty, refinement, having many offspring, thoughtfulness, and mature appeal in floral symbolism. There is now a sizable market for orchids all around the world.

To know more about orchid visit:

https://brainly.com/question/14287279

#SPJ1

Vegans and vegetarians can mix two or more plant proteins to obtain all the required amino acids.

Vegetarians can consume a variety of foods to receive the critical amino acids they need each day. Grain products, peanut butter, lentils, almonds, pumpkin seeds, and legumes are excellent providers of certain amino acids. Tryptophan, histidine, isoleucine, lysine, leucine, methionine, threonine, valine, and phenylalanine are among the amino acids required by the body. Quinoa is one food that has each of these amino acids. Pulses are essential for people who don't eat meat, fish, or dairy products. Other non-dairy sources of protein include eggs and meat alternatives such tofu, textured vegetable protein, Quorn, and mycoprotein. Vegetarians should consume plant-based foods including grains, nuts, seeds, legumes, and soy products to acquire their protein. For lacto-ovo-vegetarians, eggs and dairy products are good sources of protein.

Learn more about Vegans at

https://brainly.com/question/13212191?referrer=searchResults

#SPJ4

c. Genetic mutation in the GRE,  d. zinc deficiency in a patient might disrupt normal association of glucocorticoids with their DNA binding sites and be cause for concern

Genetic mutations in the GRE (glucocorticoid receptor elements) are an important factor in determining the effectiveness of glucocorticoid hormone therapy.

If a patient is deficient in zinc, this can interfere with the normal binding of glucocorticoids to their DNA binding sites, which can be a cause for concern.

In order to ensure that the treatment is effective, patients must have adequate zinc levels in order for the glucocorticoids to be properly bound to their respective DNA binding sites. By doing so, the effectiveness of the treatment is increased and the risk of side effects is minimized.

To learn more about DNA, click here:

https://brainly.com/question/16099437

#SPJ4

The enzyme is made up of a protein structure and binds to its substrate, which is often a specific molecule that is necessary for the enzyme’s function. The insecticide molecule is similar in structure to the substrate, but is much more powerful.

The insecticide molecule is a competitive inhibitor, meaning that it binds to the same site on the enzyme as the substrate does, preventing the substrate from binding to the enzyme and, in turn, preventing the enzyme from catalyzing its reaction.

The structure of the enzyme-substrate complex and the insecticide-enzyme complex are similar, with the insecticide molecule fitting into the active site of the enzyme, forming a strong bond with the enzyme and preventing the substrate from binding to its active site. The insecticide molecule has a higher affinity for the enzyme than the substrate, which is why it is able to block the enzyme from catalyzing its reaction and, ultimately, cause the death of the farm worker.

To learn more about enzyme visit:

https://brainly.com/question/17320375

#SPJ4

The microvilli found on the cells lining the intestines are small projections that are covered with a plasma membrane. These folds increase the surface area of the cell, allowing more nutrients to be absorbed from the food that is passing through the intestines.

The microvilli act like tiny fingers, grasping and then releasing molecules of nutrients, such as carbohydrates, proteins, vitamins, and minerals, so they can be absorbed into the cell. The nutrients are then transported through the cell and into the bloodstream, where they are used by the body.

Microvilli also secrete digestive enzymes, such as lactase, lipase, and amylase, which further break down the food particles so they can be absorbed more easily. Additionally, microvilli act as filters to help block the entry of potentially harmful bacteria and toxins into the body.

To learn more about microvilli visit:

https://brainly.com/question/12993303

#SPJ4

Natural selection is a simple mechanism that causes populations of living things to change over time. It causes are variation, Inheritance, Selection, Time and Adaptation.

Natural selection results in the transmission of advantageous genetic variants through reproduction. As a result, a new generation of organisms emerges that has a higher chance of surviving and reproducing.

To learn more about reproduction please visit here:

https://brainly.com/question/7464705

#SPJ4

Answer:

Sensitive hearing, Dizziness, Intolerance to motion. Rarely, patients who have perilymph fistula can develop sudden hearing loss or vertigo.

Explanation:

The integrating center best describes the component of a control system that receives information about the status of a homeostatically regulated variable and initiates an appropriate response

.The brain's homeostatically often houses the integrating centre, which sends messages to various parts of the body telling them how to react to stimuli. For instance, when you place your palm on a hot surface, such as a stove, your brain's integrating centre receives a signal from your skin cells warning you that appropriate are in danger. The hypothalamus serves as the integrating hub for the negative feedback loop that the controls body temperature.

To learn more about integrating center, click here.

https://brainly.com/question/14125869

#SPJ4

The integrating center best describes the component of a control system that receives information about the status of a homeostatically regulated variable and initiates an appropriate response

.The brain's homeostatically often houses the integrating centre, which sends messages to various parts of the body telling them how to react to stimuli. For instance, when you place your palm on a hot surface, such as a stove, your brain's integrating centre receives a signal from your skin cells warning you that appropriate are in danger. The hypothalamus serves as the integrating hub for the negative feedback loop that the controls body temperature.

To learn more about integrating center, click here.

https://brainly.com/question/14125869

#SPJ4

In co-dominance alleles are equally expressed, while in incomplete dominance neither of the alleles are completelly expressed. Multiallelic genes are those that have more than two alleles as alternative forms. A) Incomplete dominance. B) Multiple alleles. C) Co-dominance.

Codominance refers to a non-mendelian inheritance pattern in which two different alleles present in the same genotype are equally expressed.

There are no dominant or recessive alleles since non of them hides the expression of the other one in heterozygous individuals.

The phenotype of a heterozygote expresses two alternative phenotypic variants.

Incomplete dominance refers to another non-mendelian inheritance pattern in which heterozygous individuals express an intermediate phenotype between the dominant and the recessive phenotypes.

Neither of the involved alleles completely dominates over the other one.

Multiple alleles refer to genes that express more than two possible alleles. Let us remember that alleles are alternative forms of the same gene. So, multiallelic genes can have many alleles, and each of their codes for a different trait.

You can learn more about co-dominance, incomplete dominance, and multiple alleles at

https://brainly.com/question/14053639

https://brainly.com/question/13402032

https://brainly.com/question/7639240

#SPJ1