BIOLOGY HIGH SCHOOL

Amino acids that you obtain from eating foods are classified asa. extracellular.
b. essential.
c. facilitated.
d. inorganic.

Answers

Answer 1
Answer: b. essential
We cannot store up amino acids on our body, but we can have amino acids through consumption of food. These amino acids of which the body cannot make is called as essential amino acids.

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Which of the following statements regarding the fossil record is FALSE? Group of answer choices The fossil record does not contain any fossil remains of plants, only animals Not every minute of Earth’s history is recorded in the rock record Paleontologists have not yet found all the fossils that are in the rocks Not all organisms have a high preservation potential

Answers

Answer:

The statement, that is, the fossil record does not contain any fossil remains of plants, only animals is false.

Explanation:

Any trace of past life is termed as the fossil. It can be an organism's remains like shells, plants, bones, or teeth. Any activity of an organism like burrows, footprints, and feces can be known as a fossil record. Five different ways by which the formation of a fossil takes place are natural casts, permineralization, trace fossils, amber preserved, and preserved remains.  

The formation of a fossil distinctly takes place, however, the majority of them formed when an animal or plant dies in a watery environment and gets buried underneath the silt and mud. In the process, the soft tissues quickly get decompose and leave behind the shells or hard bones. With time accumulation of sediments takes place over the top and solidifies into a rock.  

In a certain mutant strain of bacteria, the enzyme leucyl-tRNA synthetase mistakenly attaches isoleucine to leucyl-tRNA 10% of the time instead of attaching leucine. These bacteria will synthesize:

Answers

Answer:

The correct answer is "proteins in which isoleucine is inserted at some positions normally occupied by leucine".

Explanation:

The missing options of this question are:

A. proteins in which leucine is inserted at some positions normally occupied by isoleucine.

B. proteins in which isoleucine is inserted at some positions normally occupied by leucine.

C. no abnormal proteins, because the ribosomal translation machinery will recognize the inappropriately activated tRNAs and exclude them from the translation process.

D. no proteins, because the inappropriately activated tRNAs will block translation

The correct answer is option B. "proteins in which isoleucine is inserted at some positions normally occupied by leucine".

In normal conditions, the enzyme leucyl-tRNA synthetase attaches one leucine amino acid to leucyl-tRNA as part of synthesis of proteins that have one or more leucine residues in their sequences. Since the enzyme of this mutant strain of bacteria mistakenly attaches isoleucine to leucyl-tRNA 10% of the time, approximately 10% of all the proteins that normally have leucine residues will going to have isoleucine. Therefore, These bacteria will synthesize proteins in which isoleucine is inserted at some positions normally occupied by leucine.

Which group of organelles is directly responsible for the production of new molecules within a cell

Answers

The correct answer for the question that is being presented above is this one: the group of organelles is directly responsible for the production of new molecules within a cell are the following:

Nucleus: production of RNA 
Mitochondria: production of ATP 
Ribosomes: production of proteins 
Chloroplasts: production of simple sugars

The place where a neuron transfers an impulse to another cell or neuron is thea. dendrite.
b. synapse.
c. receptor.
d. myelin sheath.

Answers

The place where a neuron transfers an impulse to another cell or neuron is the Synapse
That place is known as synapse. Hope it helped you. If it helped please mark as brainliest answer

True or False? "Wendell Stanley discovered that the tobacco mosaic virus was not an organism, but was chemical in nature."

Answers

Its true
hope i could help you.

what mineral do highly adaptive microorganisms use to convert energy from rocks? a.) carbon, b.) iron, c.) oxygen, d.) sodium

Answers

a. carbon uhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh duhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh
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