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Yuri [45]
3 years ago
5

How are consumers and producers similar?

Biology
1 answer:
stealth61 [152]3 years ago
4 0
They both need nutrients to carry out life functions
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Viruses come in what kind of shapes and
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The answer should be C. many different
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Which cellular structures are needed for cellular respiration? Why?
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Mitochondria The eukaryotic cell structure where cellular respiration occurs because they are are organelles whose membranes are specialized for aerobic respiration.

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2 years ago
Identify how a hormone molecule performs its function. formation of mRNA in the nucleus initiation of DNA replication because of
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binding of the hormone molecule with its receptor of the cell.

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Hormones are chemical messengers secreted or released by endocrine glands to effect a response in another location called target location. Hormones are proteinous molecules and like every other protein, its function is determined by its shape.

Hormones function or effect their changes by binding to the receptor of the target cell. The hormone recognizes and will only bind to its own receptor molecule on its target cell on order to bring about any change. This defines the specificity of the hormone.

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3 years ago
A student states that petrification occurs when pore spaces in an organism's remains are filled with minerals that precipitate o
Cloud [144]

Answer:

C. Both A and B describe errors in the statement.

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In fossilization i.e formation of fossils, two terms are used as follows: permineralization and petrification.

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- On the contrary, petrifaction or petrification is the process whereby a once-living tissue (matter) are REPLACED by minerals, hence, preserving the organism's structure by turning it into a stone (petros).

According to this question, the student mixed up their definitions by giving the definition of permineralization instead, however, options A and B have described the errors associated with the statement.

7 0
3 years ago
Explain the effect that extreme vagus nerve stimulation had on the heart. how well did the results compare with your prediction?
BaLLatris [955]
For the answer to the question above, I believe that the answer to your question is that the heart rate will decrease if there's an extreme vagus nerve stimulation <span>The vagus nerve is part of the parasympathetic nervous system. The sympathetic nervous system is the "fight or flight" part of the autonomic nervous system, whereas the parasympathetic is the "feed or breed" part. The sympathetic side acts to speed things up; it increases heart rate, the blood pressure, also the respiratory rate, it dilates pupils, shunts blood away from the GI tract, and so on...
The parasympathetic the opposite in which acts to slow things down; it lowers down the heart rate or decrease blood pressure, it increases salivation, increase blood flow to the GI tract, and so on. The two systems are always balancing each other. The confusing part is that when you INCREASE the activity of the parasympathetic nervous system you DECREASE the activity of the heart; so increased vagal tone will slow the heart rate, decreases the contractility, and lowers blood pressure. When the heart is excitable and has certain types of arrhythmia, increasing the vagal stimulation can slow the heart down enough to allow the normal pacemaker functions to take over again also called as converting.</span>
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3 years ago
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