Nucleic acids and carbohydrates are both types of what?
A. Macromolecules
B. Proteins
C. Elements
D. Atoms
SUBM

Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.

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Cytosine pairs with Guanine.

The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.

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Answer:

lysosome, flagellum

Explanation:

Animal cell, under a microscope, can be done by identifying the organelles that are present (almost) exclusively in either animal cells or plant cells. Of the given list, only lysosomes and central vacuole fulfill these criteria. Lysosomes are present in animal cells and can be found.

Genetic recombination and independent assortment are considered random sources of genetic variation, while mutations can occur randomly or due to specific factors.

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Answer:

D the part of an atom counted to determine the atomic number of an element

Answer:

2 organisms can have the same physical traits but no matter what, every single living creature has different DNA. Like how twins can look the same but their DNA won't be exact.

Explanation:

The feature labeled 7 are parking meters which are located in urban areas.

Urban areas are highly inhabited areas that have a diversity of land uses and a high population density. High rates of economic activity, rapid population increase, and a variety of housing types are typical characteristics of these locations. Normal associations between urban regions and high levels of poverty, crime, and pollution exist. Typically, urban regions can be located in the centre of large cities, in the midst of them, or in their suburbs.

Public transit, such subways, buses, and trains, is frequently connected with urban areas. Numerous universities, hospitals, and other public services are located in urban regions. With their abundance of eateries, stores, and cafes, urban areas are frequently centres of culture, leisure, and relaxation. Due to greater expenses for resources like land, labour, and other resources, operating a business in an urban region is typically significantly more expensive than in a rural area.

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Answer:

Answer:

The main difference between substrate level phosphorylation and oxidative phosphorylation is that substrate level phosphorylation is a direct phosphorylation of ADP with a phosphate group by using the energy obtained from a coupled reaction whereas oxidative phosphorylation is the production of ATP from the oxidized ...

Explanation:

I hope I've helped

Photosynthesis is the process of conversion of light energy into chemical energy in the form of Glucose.

The conversion of light energy into chemical energy in the form of sugars is known as photosynthesis. Oxygen is released as a byproduct as glucose molecules (or other sugars) are Synthesized from water and carbon dioxide in a process driven by light energy. Two essential resources are provided by the glucose molecules to organisms: energy and organic, fixed carbon.

This group includes the brilliant creatures of nature, green plants. By taking in carbon dioxide and transforming it into carbohydrates—a molecule that stores energy—they perform a photosynthesis cycle.

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Mitosis and cytokinesis are both stages of the cell cycle. Mitosis is the division of the nucleus, while cytokinesis is the division of the cytoplasm. According to the image below, the order could be 3, 2, 1, 4, and 5.

Stages of Mitosis

1. Chromosomes are replicated and attached to spindle fibers.
2. The nuclear membrane and nucleolus dissolve.
3. The chromosomes line up in the middle of the cell and are pulled apart to opposite sides of the cell.
4. The two daughter nuclei form, each containing an identical set of replicated chromosomes.

Stages of Cytokinesis

1. A cleavage furrow is formed, dividing the cytoplasm into two daughter cells.
2. The cleavage furrow deepens, eventually forming a cell plate, which separates the cytoplasm.
3. The cytoplasm divides into two daughter cells.

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Two ways that the validity of the investigation is be ensured are :

In a scientific investigation, it is important to control for variables that could influence the results. This can be done by using a control group, which is a group of participants who are treated the same as the experimental group except that they are not exposed to the independent variable being tested.

Another way to ensure the validity of an investigation is to replicate the study. Replication involves repeating the study with a new sample or under slightly different conditions to see if the same results are obtained.

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The virus needs to speak the molecular language of cells. This is how he manages to dominate and enslave them so that they become factories for new viruses, producing the proteins that the infectious agent requires to assemble its descendants. If this conversation is not fine-tuned, even if the virus has the key and enters, it is doomed to failure.

For a virus to be able to enter a cell, it must have the right key. And this key, which are the proteins on the surface of viruses, has to enter the correct lock, the receptors that are on the cell membrane. Cells are actually houses with many different doors and locks. Some viruses have keys that open the lock of any cell and any kind of host, and others do not, so the infection caused by viruses is specific.

With this information, we can conclude that some viruses have keys that open the lock of any cell and any kind of host, and others do not, so the infection caused by viruses is specific.

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North Valley High should select blue because more of the sampled students picked the color blue compared to the other colors in the survey. South Hills High should select silver because more of the sampled students picked the color silver than other colors.

This is the correct inference based on the given data. The survey results show that blue was the most popular color among the North Valley High students, and silver was the most popular color among the South Hills High students. Therefore, it would make sense for each high school to choose the color that was most popular among their respective student populations.

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The  following is most likely your contaminant Mold.

A contaminant is a substance that is present in an environment, organism, or object that is not normally there, or that is present in an amount that exceeds natural levels. Contaminants can be hazardous to human health or the environment, and can be found in air, water, soil, food, and consumer products. Contaminants may be caused by human activities such as the burning of fossil fuels, agricultural practices, and industrial processes; or by natural phenomena such as volcanic eruptions, chemical weathering, and radioactive decay. Contamination can also be caused by the introduction of exotic species or the release of hazardous materials into the environment. Common contaminants include pollutants, toxins, heavy metals, and micro-organisms.

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Answer:

Answer choice #1

Explanation:

The chlorophyll in chloroplasts absorbs sunlight during photosynthesis in order to make food for the plant.

To determine the correct order of the cards representing the hierarchical organization of organisms from least complex to most complex.

The hierarchical organization of organisms typically follows a pattern from lower to higher levels, such as:

If you have a set of cards representing these hierarchical levels or a similar set, the correct order would be:

Please provide more specific information or the actual cards in order to confirm the correct order based on the given set.

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The chromosomes part  that show a correct depiction of genetic information in a replicated chromosome is in the  3rd image from the first picture and it is showing the image that is saying that is being shown in the diagram.

A replicated chromosome contains two identical double strands of DNA , the chromosomes that are joined at the centromere.

Chromosomes are coiled structures made of DNA and proteins. Chromosomes form after DNA replicates; prior to replication, DNA exists as chromatin. Chromosomes contain genes, which code for proteins.

Human cells normally is  46 chromosomes with two sets of chromosomes that is one set inherited from each parent.

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\({ \boxed{ \red{ \sf{host \: cell - Ecoli}}}}\)

# Multiplies once in every twenty minutes.

# Short lifespan.

# Contains plasmid used as vector in genetic engineering.

# Gram negative and non-capsulated bacteria.

# Sensitive to wide range of antibodies.

Answer:

Are there risks of mutations by interbreeding?

Explanation:

Selective breeding can be defined as the production of offspring by the mating of organisms in a given group to obtain desired phenotypic characteristics. White peacocks are closely related individuals that have a genetic mutation (leucism) that produces the lack of pigmentation in their plumage. It is well known that interbreeding between close relatives (inbreeding) increases the risk of recessive genetic disorders because organisms that are genetically closely related have more chances to carry a copy of the same recessive genes, which may or not contain recessive deleterious mutations. In consequence, in this case, it seems reasonable to ask if there risks of negative impacts caused by recessive deleterious mutations.

Answer: Biotechnology can do this by helping to protect crops from weeds, insects, and other pests, biotechnology has helped to lower the likelihood of failure.

Explanation:

Biotechnology is the application of biology to the problem-solving and product-making processes. The most popular method is genetic engineering, which enables researchers to change an organism's DNA as they see fit.

The environmental impact of agricultural development has been diminished thanks to improvements in crop productivity and food security brought about by plant biotechnology.

Providing farmers with easier access to technology could help address the global crisis of hunger and food insecurity. According to the World Health Organization, genetic engineering has the potential to improve food production, nutritional quality, storage stability, and pest resistance.

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Answer: A limiting factor of wildflowers on the forest floor is the sunlight. This affects the plant because the wildflowers cannot grow without sunlight and when the leaves block the sunlight they cannot grow.

Explanation:

Answer:

The answer is A.It is part of an organ system.

Explanation:

A bee lands on a random point on a ruler's edge. Find the probability that the point is between 2 and 12.

The statements- It is part of an organ system, It is found in every type of multicellular organism, It has a specific function in the body are true if mesentary is an organ.

An organ system is a biological system consisting of a group of organs that work together to perform one or more functions. Each organ has a specialized role in a plant or animal body, and is made up of distinct tissues.

The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.

They work together to circulate the blood, bringing oxygen and nutrients to cells throughout the body and carrying away carbon dioxide and metabolic wastes.

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Answer:

membranes and internal membranes — are made of glycerophospholipids, molecules composed of glycerol, a phosphate group, and two fatty acid chains. Glycerol is a three-carbon molecule that functions as the backbone of these membrane lipids.

Explanation:

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Answer:

The chemical reactions required to break them down would be too slow without enzymes.

Explanation:

Zandile found that as the temperature increased, the transpiration rate also increased, leading to increased water loss from the plant. This experiment helped her conclude that temperature directly affects transpiration rates.

Transpiration is the process of water movement through the plants from roots to leaves, and eventually lost by evaporation from the stomata. Various factors, including temperature, humidity, light, and wind, influence the transpiration rate.

Temperature affects transpiration as it affects the diffusion rate of water vapor from the leaves into the surrounding air.

To investigate how temperature affects transpiration rate, Zandile set up an apparatus comprising a potted plant, a beaker, and a thermometer. The plant was selected for the experiment, and its leaves were covered with a plastic bag to prevent any water loss through the leaves' surface.

The apparatus was set up in the following way: The plant was placed in a beaker containing water. The beaker was placed on a heat source, and the temperature was monitored with the help of a thermometer. The plastic bag was tied around the stem to ensure no air entered the plastic bag, making the experiment airtight.

Zandile then increased the temperature by placing the beaker on a heat source. She noted the temperature of the water in the beaker and the temperature inside the plastic bag. She continued to monitor the temperature and the rate of water loss from the plant.

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Answer:

ECOSYSTEM

Explanation:

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The third trophic level is made up of prairie dogs that get their matter and energy from the grasses (option d).

The energy pyramid depicted in the image illustrates the flow of energy through an ecosystem. In an energy pyramid, each level represents a trophic level, indicating the position of organisms in a food chain. The pyramid narrows as it ascends, indicating the decrease in available energy at higher trophic levels.

In this specific pyramid, the lowest trophic level is occupied by the grass. This makes sense because grass is a producer that captures energy from the sun through photosynthesis. As a result, it possesses the most energy within the ecosystem.

Moving up the pyramid, the second trophic level is occupied by the prairie dogs. They are herbivores that primarily consume grass for their energy needs. This demonstrates that the prairie dogs acquire their matter and energy from the grasses, supporting option D.

The third trophic level contains the coyotes, which are tertiary consumers. Tertiary consumers feed on other consumers, not producers. Therefore, option A is incorrect since vultures, not coyotes, are tertiary consumers in this ecosystem.

Option B is also incorrect because the coyotes do not obtain their energy from other coyotes located in the third trophic level. They acquire their energy indirectly from the grasses through the prairie dogs.

Finally, option C is incorrect as it states that the grasses' trophic level has the most energy. While the grasses are indeed the primary producers and possess the most energy, not all of that energy moves to the second trophic level.

Thus, the correct statement supported by the ecological pyramid is option D: The third trophic level is made up of prairie dogs that get their matter and energy from the grasses.

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Mitochondrial diseases are caused by mutations in the mitochondrial DNA, which is located in the mitochondria. These mutations are usually inherited from the mother, as the mitochondrial DNA is passed down from the mother to her children.

Mitochondria are organelles found in the cells of all eukaryotic organisms, which are responsible for generating most of the cell’s supply of chemical energy. They are often referred to as the “powerhouses” of the cell. Mitochondria are essential for life and are involved in a variety of cellular processes, such as metabolism, cell growth, and cell death. They contain their own DNA and can replicate independently from the cell. Mitochondria are also involved in several metabolic pathways, such as the tricarboxylic acid cycle, the beta-oxidation of fatty acids, and the synthesis of amino acids. Mitochondria are essential for life and have been linked to a variety of degenerative diseases, such as Parkinson's disease, Alzheimer's disease, and diabetes.

It is very rare for a mitochondrial disease to be inherited from the father or contracted from a viral, bacterial, or parasitic infection.

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