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Svetllana [295]
3 years ago
7

Why isn't Earth a closed system? A. Earth reflects and radiates energy. B. Matter continually cycles between the "spheres." C. L

arge amounts of matter currently reach Earth from space. D. Earthquakes, volcanoes, and hot springs release energy from Earth's interior.
Biology
1 answer:
g100num [7]3 years ago
6 0

D. Earthquakes, volcanoes, and hot springs release energy from Earth's interior.

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An immune system cell called the plasma cell produces thousands of antibodies (a type of protein) per second for release into th
Olenka [21]

Answer:

a. the rough endoplasmic reticulum

Because it is the site of protein synthesis.  

and all of the other organelles have no relation to protein and handling especially peroxisomes which detoxifies h202 and helps with intracellular digestion similar to the lysosomes and microtubules only function is for locomotion of prokaryotic cells and some eukaryotic cells like the sperm cell also they make up spindle fibers used to bind and separate chromosomes/chromatids in mitosis and meiosis.

5 0
3 years ago
Imagine a microbial cell that normally carries out aerobic respiration has encountered a low oxygen environment and may die if t
weeeeeb [17]

Answer:

a. Oxygen performs an essential role in the mentioned microbial cell in a manner that it takes part in the procedure of glycolysis, Krebs cycle, and electron transport chain, which eventually assists in the production of energy from food substrates and this generation of energy helps the cell to survive.  

In the existence of oxygen, sugar gets dissociated through glycolysis to generate pyruvate, which again in the existence of oxygen is transformed into acetyl CoA. This moves into the Krebs cycle and gets dissociated to water and carbon dioxide generating ATP through ETC. This generation of ATP helps the cell to survive.  

In low oxygen surrounding or in the absence of oxygen, some of the aerobic microbes can switch their respiratory pathway and carry on the process of fermentation and anaerobic respiration to produce energy and thrive. However, the mentioned microbial cell, which when it comes in contact with the low oxygen environment cannot carry out fermentation process and would die eventually.  

b. This organism can be classified as obligate aerobes as they always need oxygen and do not possess the tendency to carry out the process of anaerobic respiration or fermentation under the absence of oxygenic environment.  

7 0
3 years ago
When listing the levels of organization in organisms from least complex to most complex, which level is just below
Liono4ka [1.6K]

Answer:

Organelle (oppitional, I don't put this on my paper but you can if you want), cells, tissues,  

Explanation:

5 0
3 years ago
Select all that apply. Which of the following are not properties of proteins?
Leona [35]

Answer:

The correct answer is C: Derived from oils and the fat of meat

Explanation:

Amino acids are the building blocks of proteins. Each amino acid is composed of a monomer, and these monomers join together to form a complex molecule called polypeptides.

For example, hemoglobin is an oxygen-carrying protein in the red blood cells. It is a globular protein and is made up of two polypeptide sub units. It consists of two alpha and two bets chains.

Proteins are rich energy units and there are different sources of proteins such as beans, pulses, seeds, nuts, milk, and yogurt, etc.

3 0
2 years ago
A(n) <br> is a group of cells that work together to perform a common function.
Yuliya22 [10]

Answer:

tissue

Explanation:

a tissue is a group of cells that work together to perform a common function

5 0
1 year ago
Read 2 more answers
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