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VashaNatasha [74]
3 years ago
12

Long chains of amino acids that determine virtually everything about a cell, including cell structure and function, cell materia

l regulation, and cell
products are called what?
Biology
1 answer:
Julli [10]3 years ago
8 0

Answer:

Proteins

Explanation:

Protein describes any of the numerous large, complex naturally-produced molecules made up of one or more long chains of amino acids, in which the amino acid groups are held together by peptide bonds.

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2 Points
SVEN [57.7K]

Answer:

B, A fossil found in rocks from one time period

Explanation:

Fossils are used to determine the ages of rock layers. Index fossils are the most useful for this. Index fossils are of organisms that lived over a wide area. They lived for a fairly short period of time. An index fossil allows a scientist to determine the age of the rock it is in. Hope that this helps you :)

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3 years ago
The __________ is the serous membrane that lines the abdominal organs.
Salsk061 [2.6K]
The description above refers to parietal peritoneum. The <span>parietal peritoneum is referred to as the serous membrane that borders the organs in the abdomen as well as the pelvic cavities. The peritoneum is classified into two and the other is known as the visceral peritoneum which covers the external surfaces. </span>
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3 years ago
How bacterial species build antibiotic resistance.
Nutka1998 [239]

When that bacteria changes in some way that reduces or eliminates the use of the drug.

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3 years ago
Imagine an island covered in forests that has a population with deer that have no predators.
PolarNik [594]
1. Limited energy supply to other organisms
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3. Avoid pollution
Adding sanctions and punishing offenders
6 0
2 years ago
In fetal circulation, the __________ bypasses the liver and the __________ bypasses the lungs. ligamentum venosum; ligamentum ar
pochemuha
In fetal circulation, the ductus venosus bypasses the liver and the ductus arteriousus bypasses the lungs. Ductus arteriosus also called ductus botalli is a blood vessel connecting the main pulmonary artery to the  proximal ascending aorta. It does allow most of the blood from right ventricle to bypass the fetus's fluid-filled non-functioning lungs. Ductus venosus on the hand allows oxygenated blood from the placenta to bypass the liver. 
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3 years ago
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