is necessary for all living things:
a) Reproduction
c)Respiration
b) Reduction
d) Oxidation

Answer:

Transcription and replication are important processes that occur in cells but have distinct differences.

Similarities between transcription and replication:

1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.

2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.

Differences between transcription and replication:

1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.

2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.

3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.

4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.

Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.

Explanation:

Answer:

they are the place where cell respiration takes place

Explanation:

Cellular respiration is a series of metabolic reactions used by the cell to create energy (ATP), these reactions occur partially in the cytoplasm, but mostly in the mitochondria. On the other hand, vacuoles store water in plants and help give them structure, are the largest organelle in plant cells, and both plants and animals have them. Therefore the answer is, they are the place where cell respiration takes place.

Answer: it would be C e is correct however but that’s already happened. So that wouldn’t be much of a prediction. Hope this helped :)

Explanation:

Thermal expansion of oceanic water leads to a main global sea level rise. So the correct option is D.

Because it absorbs heat in the form of infrared light from the Sun, a greenhouse gas circulates that heat throughout the atmosphere before losing it to space. Although it has a considerably smaller impact on global temperatures, greenhouse gases also speed up the pace at which the environment can collect short-wave radiation emitted by the Sun.

More heat from the Sun is being trapped in our atmosphere thanks to the accumulation of CO2 that is emitted after the combustion of fossil fuels. Human-made acts are referred to as anthropogenic actions, and the emission of CO2 is one such anthropogenic activity that adds to the current heightened greenhouse effect.

A greenhouse gas's contribution to the greenhouse effect is determined by how much energy it absorbs, how much it reflects back, and how much of it is present in the atmosphere.

Therefore the correct option is D.

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Answer:

Explanation:

ATP molecules are used by all living organism as energy to carry out life functions. Also notable, ATP stands for Adenosine Triphosphate. This molecule is composed of three parts:

Adenine

Ribose

Three Phosphate Groups

Answer:

“Plants perform chemical reactions that require energy.” and “Animals can receive their energy by consuming plants or other animals.” are both true, the others are false

Explanation:

Answer: 12.2

Explanation:

6+9+11+15+20/5 = 12.2

Answer:

B.

Explanation:

hope this helps!!!

Answer:

A nebula is a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a dying star, such as a supernova. Other nebulae are regions where new stars are beginning to form. For this reason, some nebulae are called "star nurseries."

Explanation:

The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.

Large-scale mutations can have a significant effect on organisms because they involve changes in the DNA sequence that affect the function or expression of one or more genes.

These mutations can result in changes to the structure or function of proteins, which are the building blocks of cells and perform many critical functions in the body.

In some cases, large-scale mutations can also affect multiple genes or entire genetic pathways, leading to more widespread effects on an organism's physiology or behavior. This can result in reduced fitness, decreased survival, or even extinction in some cases.

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A national rainforest in Puerto Rico is MOST closely associated with ecotourism. The correct answer is c).

Ecotourism is a form of tourism that is focused on responsible travel to natural areas that conserves the environment and improves the well-being of local people. The goal of ecotourism is to educate visitors about the natural and cultural heritage of a particular area and to promote conservation efforts.

A national rainforest in Puerto Rico would be an ideal location for ecotourism because it offers visitors the opportunity to explore a unique and diverse ecosystem while also supporting conservation efforts and providing economic benefits to local communities. In contrast, a water park, hunting grounds, cruise ship, or jet ski rental shop may not be focused on responsible travel or conservation efforts and may have negative impacts on the environment and local communities.

Therefore, the correct answer is c) A national rainforest in Puerto Rico.

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The indicated parts serves to mix the sperm with fluids to make semen Option A

The group of organs and tissues known as the male reproductive system are in charge of producing male s--ex hormones as well as sperm creation, storage, and delivery. Its main job is to create and transport sperm for fertilizing eggs and starting the reproductive process.

The paired seminal vesicles are glands that create seminal fluid, a fluid rich in nutrients that feeds and shields the sperm.

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Answer:

peristalsis first occur in oesophagus

so, option A is correct

Answer:

the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles.

Explanation:

Example-"blueberries need very acid soil"

Answer:

the upper layer of earth in which plants grow,

Answer:72

Explanation:

The water is colder so you would burn more calories.

Far more calories are burned during cold water swimming than swimming in warmer water. The main idea behind this is a fact that cold water decreases the body temperature so much that the body must act to maintain temperature homeostasis.

Swimming is a preferred sports activity for burning of calories faster. It is because the resistance of water is so much higher and consistent than that of air, it becomes easier to burn calories by swimming than running. Swimming is a full body workout, that results in more calories burned.

When the temperature of water drops, the metabolism increases up to keep the body warm and people starts shiver, etc. Swimming in cold water will make the body work twice as hard to keep warm and burn more calories in the process. This is one reason why people lose more weight when swimming regularly in cold water than warmer water.

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Answer: Epididymis

Explanation: The sperms are stored in the spiral structure of the epididymis for maturation and then released.

Sperm cells mature in the structure called the seminiferous tubules within the testes. After developing in these tubules, the sperm move to the epididymis where they continue to mature and then during ejaculation, they exit the body via the vas deferens. This highlights the different stages of sperm development and maturity in the male reproductive system.

Sperm cells develop to maturity in a structure called the seminiferous tubules, which are coiled inside the testes. The least developed sperm are located at the periphery of the tubule, while the fully developed sperm are in the lumen. Within the walls of these tubules, the sperm cells are mixed with Sertoli cells, also referred to as 'nursemaid cells', which protect the germ cells and support their development.

Once the sperm cells have developed, they exit the seminiferous tubules and move to the epididymis where they continue their maturation process. The epididymis is a coiled tube located on the top and posterior of the testes. Upon ejaculation, the mature sperm leave the epididymis, travel through the vas deferens, and form the ejaculatory duct.

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The graph shows the projected increase in the world population and the projected changes in the populations of individual continents: (A) Earth's population will increase quickly because the graph is between millions of people and world population growth.

Any whole group that shares at least one trait is referred to be a population. Populations are more than simply individuals. Populations may include—but are not restricted to—people, animals, organizations, structures, houses of worship, automobiles, farms, and other things or occasions.

Rapid population growth makes it more difficult for low- and lower-middle-income nations to finance the per capita rise in public spending required to eradicate poverty, end hunger and malnutrition, and assure universal access to health care, education, and other important services.

The current world population of 7.6 billion is expected to reach 8.6 billion in 2030, and 9.8 billion in 2050 according to the UN.

Thus, we can conclude that the earth's population will increase quickly.

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Answer:

They sky is blue because as white light passes through our atmosphere tiny molecules cause it to scatter

The genotype of the F1 offspring is YyTt, and the phenotype is yellow and tall. The probability of each phenotype in the F1 offspring is as follows yellow and tall is 1/2 or 50%, green and short is 1/2 or 50%.

Genotype refers to the genetic makeup or combination of alleles present in an organism, while phenotype refers to the observable traits or characteristics expressed by an organism. Genotype represents the genes an organism carries, while phenotype represents the physical or observable features resulting from the interaction between genotype and the environment.

When a heterozygous ail yellow plant (genotype Yy) is crossed with a homozygous short green plant (genotype tt), the F1 offspring will have the genotype YyTt and the phenotype of yellow and tall. The probability of this phenotype occurring in the F1 generation is 50%. Additionally, there is a 50% probability of the F1 offspring having the phenotype of green and short.

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Answer: Isaac

Explanation:

Answer:

Neutrons have no charge and are the lightest subatomic particle

Explanation:

Nucleus of an atom contains three subatomic particles. These are protons, neutrons and electrons.

Mass of a proton is  \(1.67\)×\(10^{-27}\)kg.

Mass of a neutron is  \(1.67\)×\(10^{-27}\)kg.

Mass of an electron is \(9.1\)×\(10^{-31}\) kg.

Also, protons are positively charged, neutrons have no charge and electrons are negatively charged.

Therefore, we can conclude that the mass of a neutron nearly equals the mass of a proton.

Answer:

C

Explanation:

Most are too small to be seen with the naked eye. so they must be looked at with a microscope

The answer is C) Because most cells cannot be seen without magnification

Without the proper tools, the naked eye will never be able to see a cell. But when you have the correct tools, you will be able to spot them, as long if you know what you are doing. Cells are too small for the naked eye to see, just like trying to find the needle in the haystack without touching it.

The process of Glycolysis is a catabolic process  in which two molecules glucose goes through a ten- step pathway and yield two molecules of pyruvate . It is a major part of carbohydrate metabolism .

Mechanism Of Glycolysis

The glycolysis is also known as EMP pathway and it is involved in both aerobic and anaerobic conditions .There are two phases in the mechanism of glycolysis in which 5 reactions takes place in each phase and the process of glycolysis takes place in cytosol

Preparatory phase refers to the  generation of two molecules of  glyceraldehyde 3-phosphate from one molecule of glucose which further goes into the payoff phase . In this phase two molecules of ATP are used and two regulatory enzymes were involved in this reaction .

Payoff phase refers to the further break down of two molecules of glyceraldehyde3-phosphate to two molecules of pyruvate . In this phase four molecules of ATP and two molecules of NADH are generated . In this phase only one regulatory enzyme is involved which is the breakdown of PEP to pyruvate  .

Both the phases of glycolysis takes place in the cytoplasm and there are  three enzymes that involved in regulating the glycolytic pathway .This process is also known as the catabolic process .

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Answer: takes place through the skin   hope this helps

Explanation:  the skin, in the lungs and on the lining of the mouth. While completely submerged all of the frog's repiration takes place through the skin.

Omnivores are organisms that feed on several prey items. In the exposed example, C is the omnivore and feeds on A, D, and B.

Omnivore organisms are those who can feed on any kind of items, going from vegetable species to different animal species. In this last case, depending on the species, the diet might include invertebrate and vertebrates.

In the exposed example we can see that

C is the omnivore organisms in this web since it feeds on autotroph (A), herbivores (D) and carnivores (B).

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The remora fish, which adheres to a shark and feeds on the leftovers of the Parasitism, mutualism, and commensalism are all types of symbiosis. The correct option is C.

Thus, a biological relationship between two or more distinct species is called symbiosis. Three different kinds of symbiotic interactions include parasitism, mutualism, and commensalism. One species gains from parasitism while the other suffers. The parasite can harm or even kill its host while feeding on it. In a mutualistic connection, both species gain from the interaction.

For instance, bees pollinate flowers while the blooms feed the bees nectar. One species gains by commensalism, whereas the other is neither aided nor hurt, which is a type of symbiosis.

Thus, the ideal selection is option C.

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