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egoroff_w [7]
3 years ago
7

ASAP

Biology
1 answer:
yanalaym [24]3 years ago
3 0
B . , because I remember this
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.
DiKsa [7]

Answer:

#1 false its difficult but also possible. #2 true and #3 False. the Salivary gland in the mouth make 1.5 liters a day

7 0
2 years ago
What are the stages of the nitrogen cycle??
ludmilkaskok [199]

Answer:

·        Nitrogen fixation

·        Nitrification

·        Assimilation

·        Ammonification

·        Denitrification

Explanation:

Nitrogen fixation is the process where nitrogen is converting into ammonium.

Nitrification is the process of ammonium oxidation into nitrate.

Assimilation is the process where animals and plants receive NO3. Plants are using this nitrate for proteins and acids.

Ammonification is the process where the nitrate that is contained in plants and animals is recycled after their death.

Denitrification is e the last process in this cycle and during this process nitrate is converting to gases.

5 0
3 years ago
Explain how hypertension, heart disease, and stroke are related.
Svet_ta [14]
<span>Hypertension is another term for high blood pressure. This occurs when there is too much pressure put on the blood vessels. The heart gets affected because it is pumping against the pressure, which causes strain on the heart. This can cause thickening of the heart walls, which can lead to other heart problems.

Stroke occurs when there blood supply to the brain is reduced or obstructed. This deprives the brain of oxygen and other nutrients. The occurrence of stroke increases with blood pressure because there is persistent pressure on the vessels which can ultimately lead to stroke. </span>
8 0
3 years ago
Read 2 more answers
Explain how the cell cycle is regulated.
irina1246 [14]

Solution:

Cell-division control affects many aspects of development. Caenorhabditis elegans cell-cycle genes have been identified over the past decade, including at least two distinct Cyclin-Dependent Kinases (CDKs), their cyclin partners, positive and negative regulators, and downstream targets. The balance between CDK activation and inactivation determines whether cells proceed through G1 into S phase, and from G2 to M, through regulatory mechanisms that are conserved in more complex eukaryotes.  

This is the required process through phosphorylation, Cdks signal the cell that it is ready to pass into the next stage of the cell cycle. As their name suggests, Cyclin-Dependent Protein Kinases are dependent on cyclins, another class of regulatory proteins. Cyclins bind to Cdks, activating the Cdks to phosphorylate other molecules.


4 0
3 years ago
Which best describes what happens when a phosphate molecule is removed from an ATP compound?
siniylev [52]

Answer:

energy is lost when a phosphate molecule is removed

4 0
2 years ago
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