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Andru [333]
3 years ago
13

Determine of the statement is true or false, and why. Nitrogen makes up most of the atmosphere, but is in an unusable form until

converted into an organic form by bacteria.
A. False, it should read, "Nitrogen makes up most of the atmosphere, and is easily converted into an organic form by plants."
B. False, it should read, "Nitrogen makes up a small percentage of the atmosphere, but comes in an easily usable form for most living organisms."
C. True.
D. False, it should read, "Nitrogen makes up most of the atmosphere, in a form easily accessible to plants, who convert for animals to use."
Biology
1 answer:
Cloud [144]3 years ago
3 0

Answer:

C. True.

Explanation:

It should be understood that the the percentage of nitrogen is the highest in the atmosphere. This is because, it make up of more than 60% of the atmosphere. And it should be noted that the atmospheric nitrogen is inform that can not be used by the plant.

Therefore, there is a need for a certain group of bacteria which live in the root noodles of the plants to convert the unused form of the atmospheric nitrogen to a form that can be used by the plants.

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Before it can be utilized nitrogen must be converted into some other form through two processes, identify and explain these two
Mrac [35]

Answer:

The conversion of nitrogen can be carried out through both biological and physical processes. Important processes in the nitrogen cycle include fixation, ammonification, nitrification, and denitrification.

4 0
3 years ago
Characteristics of animal cells include which of the following? Select all that apply.
Gennadij [26K]

Answer:

No cell wall only plasma membrane.

Explanation:

The cells of animals lack wall and chlorophyll

3 0
3 years ago
Read 2 more answers
Investigate four substances containing nitrogen or phosphorous that are related to biological processes, and explain their respe
OleMash [197]

Answer:

Well, you already have the answer, but I can try to elaborate XD

So, DNA: contains genetic information that is necessary for biological functioning and reproduction.

More specifically, it contains the genetic instructions through gene encoding that instructs the cell what to do. A specialized complex ribosome interacts with the DNA molecules and "reads" it, changing the genes from the DNA into proteins that the cell as a whole can function upon. It is also crucial to forming a whole cell in offspring, since only the genes from the two parents combined (in humans at least) can produce an offspring with all genes intact. Those who do not have genetic disorders, a famous one being Down Syndrome.

Next, RNA: a molecule necessary for expressing genes and making proteins.

Connecting to the paragraph above for DNA, RNA also assists in the process by reading the ribosome that reads the DNA itself. Complicated, I know. All you have to know, however, is that the RNA, in this case called mRNA since it serves as a messenger, hence, the "m", reads the codons produced by the ribosome when it reads the DNA, and makes proteins according to those codons, and those proteins then scatter all across the cell to execute instructions.

Now, we move onto nitrogen and phosphorous: both are found in amino acids, the building blocks of proteins.

That is actually partially wrong. Amino acids do not contain phosphorous, but do contain nitrogen. Not exactly sure what went wrong on your end there, but nitrogen is a basic building block for amino acids, which are basic building blocks themselves for proteins. To be more clear, amino acids are made of carbon, hydrogen, oxygen and nitrogen atoms. No phosphorus there!

Finally, enzymes: special proteins that accelerate chemical reactions in cells.

This is correct. Enzymes typically lower the activation energy required for reactions to happen. More specifically, enzymes make the reaction molecules more active, hence, lowering the threshold for the amount of energy you have to put in before the molecules start crashing into each other hard enough to have a chemical reaction. Of course, enzymes do not participate in the reaction itself, which makes them incredibly useful for spurring on chemical reactions since they can be used multiple times.

Explanation:

Hope this helped!

3 0
3 years ago
Read 2 more answers
True of False?<br> The genotype regulates the enzymes present in an organism.
Stella [2.4K]

The statement “the genotype regulates the enzymes present in an organism” is TRUE. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

8 0
3 years ago
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How does the digestive process in cnidarians differ from sponges?
pickupchik [31]

Answer:

<h2>Digestion in sponges is intracellular. </h2><h2>Cnidarians carry out extracellular digestion .</h2>

Explanation:

digestive process in cnidarians differ from sponges

1. i) sponges have intracellular digestive system.

 ii). They feed on planktons by filtering water.  

 iii). Digestion takes place completely in choanocyte cells.

Cnidarians

1. i) Cnidarians are predators and feed on small fish, krill and many small species.

ii )All cnidarians are carnivores and have very simple body structures adapted as predators.

 iii) Cnidarians carry out extracellular digestion. Enzymes break out the food into small particles. Cnidarians have an incomplete digestive system and have only one opening.

5 0
4 years ago
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