assume that each plant produces one cob, how much grain

Answer:

true

Explanation:

The cytoskeleton is a network of protein fibers located in the cytoplasm of cells. The fibers that make up the cytoskeleton of eukaryotic cells are microtubules, actin filaments, also called microfilaments, and intermediate filaments.

Answer: Bone cell origins. This diagram summarizes the origins and fates of the bone cells. Mesenchymal refers to cells which were deep within the embryo during early development; some of them remain in the bone marrow but do not form blood cells. The hematopoietic cells form the liquid part of the bone …

Explanation:

Answer:

Chargaff's rules state that DNA from any species of any organism should have a 1:1 stoichiometric ratio of pyrimidine and purine bases and, more specifically, that the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine. This pattern is found in both strands of the DNA.

Answer:

A should be 10 feet

E should be 30 feet

Explanation:

Answer

first one i thinks it 70 because the further down the more feet look at the map and number 2 is 30 im not 100% but i hope it helps

AND COUNT EACH LINE BY 10 ALL THE WAY DOWN TO A IT 70

Explanation:

Answer:

Humans do both

Explanation:

Harm- Humans harm the environment, think about all the trees getting constantly cut down because we need paper. Also climate change, we have caused the earth to become hotter than it has been. This is because of the fact that we use gas powered cars, and factories and more on that.

Help- We also care about the environment, or at least some of us. Some of us plant, garden and try to help animals in Africa or in South America. We also help the environment by advocating for it. Telling everyone whats going on and trying to get others to join us in making the world a better place.

Enzymes help weaken these bonds so energy can be released and then later help reform them.

that's the answer

ADP (adenosine diphosphate) is formed when these high-energy connections between the phosphate groups at the end are broken, releasing energy for the cells to utilize.

One phosphate group is left on its own, these powerful associations may be broken and rebuilt with the aid of enzymes.

When a third phosphate is added to the ADP molecule, reforming ATP, water that was broken down into its hydrogen atom and hydroxyl group during ATP hydrolysis is recovered.

Energy must be introduced into the system to regenerate ATP, ADP develops and energy is released for the cells to utilize when these connections are broken.

Therefore, ATP has the capacity to store and transmit chemical energy, high-energy bonds are used to link the final two phosphate groups.

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Answer: D

Explanation:

The kind of water found in the benthic zone of a lake is Cold and dense. The correct option is D.

The benthic zone, which includes the sediment top and some subsurface layers, is the ecological region at the bottom of a body of water, such as an ocean, lake, or stream.

Benthic zones are too dark to enable photosynthesis, which explains why. The region cannot get sunlight because of the depth of the oceans above it. In this manner, photosynthesis is prevented, preventing plants from growing. Only decomposers and detritus feeders are therefore present in the benthic zone.

This indicates that it may begin at a shallow depth of a few inches and eventually descend to a depth of 6,000 meters as it crosses the abyssal plain at the ocean's bottom.

Therefore, the correct option is D. Cold and dense.

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Answer:

Explanation:

The process of meiosis preserves genetic continuity for future offspring by ensuring that two sexually reproducing organisms produce offspring that have the same number of chromosomes as the parents.

It ensures that the offspring will be able to mate with other organisms of the same species.

When a mutation occurs in a protein coding region it may have several effects. Nucleotide substitutions may lead to no change in the protein sequence (known as silent mutations), change the amino acid sequence (known as missense mutations), or create a stop codon (known as a nonsense mutation).

A silent mutation is unnoticeable, whereas a nonsense mutation will produce a protein which is much different than the original. This is because a nonsense mutation introduces a codon which is completely different than the one before, possibly stopping the protein synthesis short.

A change in a single amino acid that results from a point mutation in the DNA sequence. Nonsense codons (nonsense mutations): The conversion of a codon from one that encodes an amino acid to one that acts as a stop codon due to a point mutation in the DNA sequence.

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The gametes from this heterozygous individual in the parental generation could possess the following combinations of traits: AB, Ab, aB, and ab.

If an individual within the parental generation was heterozygous for both traits, it means they have a pair of different alleles for each trait. Let's use the letters A and B to represent the two traits, with capital letters representing the dominant alleles (A and B) and lowercase letters representing the recessive alleles (a and b).

The heterozygous parental individual's genotype would be AaBb.

To find the combinations of traits their gametes could possess, we need to perform a Punnett square. Here's a step-by-step explanation:

1. List the possible gametes for each trait:
  - For trait A: A or a
  - For trait B: B or b

2. Combine the gametes from both traits to get all possible combinations:
  - AB
  - Ab
  - aB
  - ab

So, the gametes from this heterozygous individual in the parental generation could possess the following combinations of traits: AB, Ab, aB, and ab.

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For thousands of years, the amount of carbon dioxide in Earth's atmosphere remained constant due to a balance between natural sources and sinks, like plant absorption and ocean uptake.

The Earth's atmosphere has had a relatively constant level of carbon dioxide (CO2) over thousands of years because of a natural balance between CO2 sources and sinks. Sources of CO2 include volcanic activity, animal respiration, and decay of organic matter. Sinks, which remove CO2 from the atmosphere, include plants that absorb it during photosynthesis and oceans that dissolve it.

This equilibrium maintained the CO2 levels in a stable range, allowing life to thrive. However, human activities, such as burning fossil fuels and deforestation, have disrupted this balance, leading to an increase in atmospheric CO2 levels and contributing to climate change.

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Answer:

Option C. is the correct choice.

Explanation:

Food provides "energy" to organisms.

Best Regards!

Answer:

C. Energy

Explanation:

The semiconservative nature of DNA refers to the way in which DNA replicates itself.

When DNA replicates, each strand of the double helix separates and serves as a template for the formation of a new complementary strand. This process results in two daughter molecules, each of which consists of one original strand and one newly synthesized strand. This means that each new molecule of DNA contains one old strand and one new strand, hence the term "semiconservative."

In conclusion, the semiconservative nature of DNA ensures that genetic information is faithfully passed on from one generation to the next, with each new molecule of DNA containing a combination of old and new genetic material.

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, decomposers break down dead material from plants and other organisms and release carbon dioxide into the atmosphere.

Answer:

Is a cell containing two complete sets of chromosomes one from each parent

eg:-

Amantadine like its relatives zanamivir and oseltamivir, blocks the entry of influenza virus by blocking fusion of the virus with the host cell membrane.

What exactly does amantadine mean?

A medication used to treat influenza A virus infections. It prevents the virus from infecting cells and producing more virus particles. It is also used to treat Parkinson's disease symptoms. Amantidine hydrochloride is an antiviral medication.

What are the effects of amantadine?

When you get up too quickly from a lying position, amantadine can cause dizziness, lightheadedness, and fainting. This is more common when you first begin taking amantadine or when your dose is increased.

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Answer:

In the portion of the cell membrane shown in the diagram, the arrow indicates the process of active transport.

Explanation:

Active transport is one of the mechanisms of transmembrane transport, which involves the use of energy. The diagram (see image) shows the hydrogen (H⁺) output from the cytoplasm to the extracellular space, through an H⁺ pump —consuming ATP— which represents an active transport process.

The hydrophobic nature of the cell membrane prevents the free passage of hydrosoluble elements or ions, as H⁺, so they require the use of active transport to pass through it.

The other options presented are not correct, because

During the early stages of fasting, muscle protein is not broken down and converted to glucose.

During fasting, when the body's glucose stores are depleted, the body initiates various metabolic processes to maintain energy supply. In the early stages of fasting, the primary sources of energy are muscle glycogen, liver glycogen, and body fat.

Muscle glycogen, which is stored in muscle cells, is broken down and converted to glucose through a process called glycogenolysis. This glucose is then utilized by the body for energy production.

Liver glycogen, stored in the liver, is also broken down into glucose through glycogenolysis. The liver releases glucose into the bloodstream to maintain blood glucose levels.

Body fat is mobilized and broken down into fatty acids through lipolysis. These fatty acids are transported to various tissues, including muscle cells, where they are oxidized for energy production through a process called beta-oxidation.

However, during the early stages of fasting, muscle protein is generally not broken down and converted to glucose. Muscle protein breakdown typically occurs during prolonged fasting when other energy sources, such as glycogen and body fat, become depleted. At this stage, the body may resort to breaking down muscle protein to generate glucose through a process called gluconeogenesis.

Therefore, the correct answer is that muscle protein is not broken down and converted to glucose during the early stages of fasting.

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Answer:

b: their offspring cannot breed

Explanation:

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Answer: Three factors influence autumn leaf color-leaf pigments, length of night, and weather, but not quite in the way we think.

The birth rate, death rate, and population growth rate vary greatly between different regions of the world.

In general, developed countries tend to have low birth rates and death rates, resulting in a slower rate of population growth

On the other hand, many developing countries have higher birth rates and death rates, leading to a higher rate of population growth

It's important to note that population growth rates can also be influenced by migration patterns and natural disasters, which can impact both birth and death rates.

Overall, the birth rate, death rate, and population growth rate are complex and interconnected factors that are influenced by a variety of social, economic, and environmental factors.

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Answer:

1.)true

2.)true

3.)true

4.)true

5.)true

6.)false

7.)false

Explanation:

Answer:

False: All arthropods belong to the Class Insecta

True: All rodents belong to the phylum Chordata.

False: All amphibians belong to the class reptilia.

True: All primates are mammals.

False: A lion belongs to the genus Felis.

False: All mammals are primates.

True: All Insects and lobsters are arthropods.​​

Hope this helps :)

Cell theory explains cell behavior where a law would describe it explains about cells is called a theory and not a law.

Cell theory is a scientific theory first formulated in the mid-nineteenth century, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

Everything that lives is made up of cells. The second part of cell theory was that new cells are formed from preexisting cells. The third part is that all cells are similar. Finally, cells are the most basic units of life.

The cell theory, or cell doctrine, states that all organisms are composed of similar units of organization, called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology.

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Answer: The removal of portions of RNA known as intervening sequences (introns)

Explanation:

The removal of portions of RNA is known as intervening sequences (introns).

In order to enable the translation of mRNA into a protein, RNA splicing puts together the protein-coding regions (exons) and cuts out the intervening, non-coding segments of genes (introns) from pre-mRNA.

Intron sequences are cut out and exon sequences are joined during the splicing process.

As RNA matures, introns are cut out via RNA splicing, which means that they are not expressed in the resulting messenger RNA (mRNA) product.

In contrast, exons continue to be chemically bound to one another to produce mature mRNA. Exons are expressed sequences, whereas introns can be thought of as intervening sequences.

Therefore, the removal of portions of RNA is known as intervening sequences (introns).

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Answer:

I believe it would be option a, beaks got longer because the only birds that survived had larger beaks that could crack the hard seeds

Explanation:

In years of extreme drought, Galápagos plants don’t produce new seeds. The small, delicate seeds get eaten up quickly, leaving behind only the largest, toughest seeds.

Positive ions are formed when electrons are lost, for example, Potassium ion, K⁺ is formed when a Potassium atom, K losses one electron. A neutral atom of Potassium (K) has 19 protons and 19 electrons, and a positive ion of Potassium (K⁺) has 19 protons and 18 electrons.

Ions are charged particles formed when neutral atoms loss or gain electrons. When electrons are lost, positively charged particles called cations are formed, and when electrons are gained, negatively charged particles called anions are formed. Electropositive elements are more likely to form cations. Potassium (K) losses one electron in order to obtain a stable configuration, forming Potassium ion (K⁺).

For all neutral atoms, the number of protons is always equal to the number of electrons. The number of protons is the same as the atomic number. Potassium (K) has an atomic number of 19, thus it has 19 protons. Since Potassium (K) atom is a neutral atom, it will also have 19 electrons.

However, Potassium ion (K⁺) has lost one of its electrons, so it will have 18 electrons instead of 19. Therefore, Potassium (K) has 19 protons and 19 electrons, while Potassium ion (K⁺) has 19 protons and 18 electrons.

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