All living things are composed of at least one or more cells. These cells can be distinguished from each other by the presence or absence of certain features. What features would a scientist use to differentiate between a plant cell and an animal cell? In other words, what features are present in a plant cell, but not present in an animal cell?

Answer: a

Explanation:

Answer:

Political instability, militarism, civil unrest, internal armed conflict and natural disasters may result in an increase in trafficking. The destabilization and displacement of populations increase their vulnerability to exploitation and abuse through trafficking and forced labour.

The oceanic plate subducts under the continental plate, forming a subduction zone along a convergent boundary between an oceanic plate and a continental plate. So, the correct option is (C).

Oceanic plate is also known as oceanic crust. This is the uppermost layer of the oceanic portion of tectonic plates which is composed of upper oceanic crust consists of pillow lava and lower oceanic crust, composed of troctolite, and ultramafic conglomerates.

The crust is above the hard upper layer of the mantle. Oceanic plates are the plates which lie under the ocean which are denser than the continental ones. This is because they are made of denser rocks. Oceanic plates are mainly made of basalt.

Thus, the oceanic plate subducts under the continental plate, forming a subduction zone along a convergent boundary between an oceanic plate and a continental plate. So, the correct option is (C).

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There is no cell structure that living cells could live without as cellular structures have function which is peculiar to a part of life process and once any of these structure is removed, life ceases.

This is because the presence of cellular structures in cells of living organisms makes them to live and without these structures, life would not continue.

Living cells cannot function without cellular structures such as nucleus, ribosomes, mitochondria, endoplasmic reticulum and others.

A cell can simply be defined as the simplest unit of life. All living organisms be it unicellular or multicellular organisms is made up of cell.

So therefore, there is no cell structure that living cells could live without as cellular structures have function which is peculiar to a part of life process and once any of these structure is removed, life ceases.

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Given the scenario, their progeny will heterozygous or  BbEe.

A purebred white mouse and a purebred black mouse are being crossed.

A gene region where there are two identical alleles present. Two alleles with the same variation or two alleles that are normal can both be present in a homozygous genotype.

BBEE is black fur.

Bbee has white fur.

Here, the capitalization of allele B signals that it is a dominant allele and that allele B is recessive.

For BBEE, gametes

BE a, b, e, b

Genes for the bbee

a, a, a, a Cross will then have an image linked to it.

As a result, in the example, their progeny would either be BbEe or heterozygous.

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Answer:

ok

but give me pic of questions

The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.

A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.

The atoms in this process move from a higher-energy state  to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.

Therefore the correct option is d.

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Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.

Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.

The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.

Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.

Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.

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Explanation:

the answer is d.

amino acids 4 protein synthesis...

Answer:

Here is the presentation I made. Good luck!

Explanation:

I won with this presentation two days ago so it is a guaranteed to be correct.

Answer:

Interphase

Explanation:

is the only phase that goes through DNA also we are learning the same thing lol

Answer:

The population of juncos at the University of California, San Diego (UCSD) campus has become bolder than the mountain population over the last 60 years, and this change can be explained by the process of natural selection.

Juncos are small, sparrow-like birds that are found in a variety of habitats across North America. The UCSD campus population and the mountain population of juncos are two distinct groups that have evolved separately over time.

One important factor that drives the process of natural selection is the availability of resources, such as food and shelter. On the UCSD campus, the juncos have access to a variety of resources provided by humans, such as bird feeders and landscaped gardens. These resources allow the juncos to survive and reproduce more successfully than they might in the wild, leading to an increase in the population size.

As the population size increases, there is more competition for resources, and only the boldest individuals can access them. Over time, bolder individuals are more likely to survive and reproduce, passing on their genes for boldness to the next generation. As a result, the overall population becomes bolder over time.

In contrast, the mountain population of juncos likely has fewer resources available and faces more challenges in finding food and shelter. As a result, the selection pressure for boldness is likely to be weaker in this population, leading to less of a change in the overall level of boldness.

Therefore, the difference in the level of boldness between the UCSD campus population and the mountain population can be explained by the process of natural selection, which has favored bolder individuals in the campus population due to the availability of resources provided by humans.

Explanation:

Answer:

c.............

Explanation:

the cleavage furrow appears in telophase.

Answer:

i don’t know if it’s a multi question but here are my answer bellow

Claim 1:Cells need glucose to release energy

Claim 3:Cells need oxygen to release energy.

Claim 5:Cells need glucose AND oxygen to release energy

Cells need glucose to release energy. Cells need oxygen to release energy. Cells need glucose AND oxygen to release energy. Cells need glucose AND oxygen to release energy. The correct options are A, C, and E.

The primary form of sugar in the blood, glucose serves as the body's cells' main source of energy. Glucose can be produced by the body from other chemicals or it can be obtained from the meals we eat.

The bloodstream carries glucose to the cells. Insulin is one of many hormones that regulate blood glucose levels.

The major sugar present in blood is called blood sugar, or glucose. It is the body's major source of energy and comes from the food you eat. All of the cells in your body receive glucose from your blood to be used as fuel.

To release energy, cells require glucose. To release energy, cells require oxygen. To release energy, cells require both oxygen and glucose. To release energy, cells require both glucose and oxygen.

Thus, the correct options are  A, C, and E.

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Answer:

it is false

Explanation:

it appears as light bands under microscope

Answer:

false

Explanation:

because dark band seen under the microscope in a skeletal muscle fiber are concentration of actin protein  are known as A bands because they are anisotropic when viewed with polarized light

Answer:

Keratinization and cornification are both processes by which epithelial cells become hardened and flattened, but they differ in their specific context and characteristics.

Keratinization refers to the process by which cells in the epidermis of the skin become keratinized or filled with the protein keratin. This process occurs as cells in the lower layers of the epidermis divide and migrate upward, undergoing various changes in cell structure and protein synthesis. Eventually, the cells flatten and die, forming a layer of dead cells that provide a protective barrier against the external environment. Keratinization is a continuous process that occurs throughout the life of the skin.

Cornification, on the other hand, is a specific type of keratinization that occurs in specialized epithelial cells called corneocytes. These cells are found in the outermost layer of the skin, the stratum corneum, and are responsible for providing the main barrier function of the skin. During cornification, the corneocytes undergo a complex process of protein synthesis and modification, resulting in the formation of a tough, impermeable layer of cells. Unlike keratinization, cornification is a terminal differentiation process, meaning that the cells are no longer able to divide or perform other cellular functions.

Answer:  Definition. Full siblings share the same biological mother and father, maternal half-siblings share the same mother only, and paternal half-siblings share the same father only. Therefore, full siblings share, on average, 50% of their genes with one another and half siblings share approximately 25%.

Explanation:

The unknown parent's genotype in the dihybrid cross is likely GgPp. This genotype would result in a 1:1 phenotypic ratio of green pod-purple flower to yellow pod-purple flower offspring.

In a dihybrid cross, we consider two independent traits. In this case, the traits are pod color (green or yellow) and flower color (purple). The known parent's genotype is GgPp, where G represents the dominant allele for green pod color, g represents the recessive allele for yellow pod color, P represents the dominant allele for purple flower color, and p represents the recessive allele for non-purple (white) flower color.

Therefore, the genotype of the unknown parent is likely GgPp, which produces the desired 1:1 phenotypic ratio of green pod-purple flower to yellow pod-purple flower in the offspring.

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B) Endocrine disruptors mimic hormones that regulate critical biological processes.

Endocrine disruptors, at times moreover called as hormonally unique trained professionals, endocrine disturbing engineered substances, or endocrine upsetting blends are manufactured substances that can interfere with endocrine structures. These aggravations can cause threatening developments, birth flees, and other developmental issues.

The potential health problems associated with endocrine disruptors is that Endocrine disruptors mimic hormones that regulate critical biological processes.

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Answer:

It's A.) Endocrine disruptors mimic hormones that regulate critical biological processes.

Explanation:

Quizlet gave me the answer

Answer:

I believe it is a 1:2:1 ratio

Explanation:

Answer:

Carbohydrates are a class of chemical compounds composed of carbon, hydrogen, and oxygen in 1:2:1 ratio, respectively.

Explanation:

To support photosynthesis and maintain a healthy ecosystem, it would be best to bring blue and red light bulbs with you to the space station.

If the space station uses photosynthesis to provide oxygen, then it most likely has plants or algae that require specific wavelengths of light to carry out the process. Chlorophyll, the pigment responsible for photosynthesis, absorbs light most efficiently in the blue and red parts of the visible light spectrum, while reflecting green light.

Therefore, to support photosynthesis and maintain a healthy ecosystem, it would be best to bring blue and red light bulbs with you to the space station. Blue light is needed for the initial process of photosynthesis, while red light is necessary for the final stages. Green light, on the other hand, is not as efficient in promoting photosynthesis and may even hinder the process by competing with blue and red light for absorption by chlorophyll.

It is important to note that the specific wavelengths of light needed for photosynthesis may vary depending on the type of plants or algae present in the space station. Therefore, it may be best to consult with the space station's horticulturist or plant biologist to determine the optimal light conditions for the specific plant species present.

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Directional terminologies are used in order to describe the position of structures in the body according to the position of other structures. When we talk about bipedals, It's important to mention that we have a vertical reference of those organisms positions. For bipedals, some examples of directional terminologies are:

Anterior, posterior, distal, proximal, dorsal, ventral, superior, inferior, etc.

On the other hand, when we observe quadrupedal animals, the reference is horizontal, and that's how some terminologies change. For those organisms, we have terminologies such as:

Ventral, which corresponds to anterior.

Dorsal, which correspons to posterior.

Other terminologies, however, remain the same, such as medial and proximal.

Answer:

The cell wall is thick and rigid, made of cellulose, and  supports and protects the cell.

Answer:

Most likely, the answer is "Other organisms"

Explanation:

For example, we use animals or plants to gain energy (eating)

Answer:

Explanation:

Phylum Gnetophyta ✌

Distinguishing characteristics of the phylum Gnetophyta include the presence of both tracheids and vessels in their xylem tissue, a unique fertilization feature in which a tube grows from the eggs to unite with pollen tubes, and being the only division of gymnosperms that undergo double fertilization. Gnetophyta plants include trees, shrubs, or stumpy, turnip-like growth forms with simple leaves.

The phylum Gnetophyta consists of three genera of woody plants called Gnetum, Welwitschia and Ephedra. Although the three genera are all gnetophytes, they are highly specialized to their respective environments, which makes it difficult to identify similar characteristics.

Gnetum species are mostly woody climbers in tropical forests, although the best-known member of the group is a tree. Welwitschia includes one species, Welwitschia mirabilis. It only grows in the deserts of Namibia and Angola, and has two large strap-like leaves that grow continuously from the base throughout the plant's life. Ephedra plants are known as joint-firs because they have long slender branches with tiny scale-like leaves at each node. Ephedra is traditionally used as a stimulant. The plant and its derivatives are classified as controlled substances in many jurisdictions because of the high risk of addiction, harmful side effects and fatal overdoses.

Answer:

Explanation:

In the scientific method first of all is you need to identify the problem, the problem to your question is why does the dog circle its bed before lying down. Second is the observation to gather some data, you need to observe the dog if what could be the possibility the the dog may do that action. The third is the pre hypothesis, you need to came up with an idea why does the dog do such and action for example the needs to find a correct spot to make itself comfortable and lastly the hypothesis, this should answer to your question or your problem. So my hypothesis is that dogs are one of the animals that are those difficult to find a place to sleep and some of that kind of animals are cat, before they lay on their bed, they have to circle to find a spot that could fit its body to be more comfortable when the dog sleep.....

Answer:

Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands. They perform a variety of functions that include protection, secretion, absorption, excretion, filtration, diffusion, and sensory reception.