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dusya [7]
2 years ago
6

4. Which of the following statements best

Biology
1 answer:
shepuryov [24]2 years ago
3 0

Answer:

as the blood pressure increases, the rate of blood flow decreases

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Which of the following is NOT a resource that organisms fight over for survival?
jasenka [17]
I have no idea which is not a resource but if I’m taking an educated guess it would be reproduction.
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2 years ago
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What is the first step in triggering a change in membrane potential?
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Answer:

The membrane potential is maintained in the cell due to the unequal distribution of the ions inside and outside of the cell. This membrane potential is important for the conduction of the nerve impulse.

The arrival of the stimulus triggers the action potential. The resting membrane potential is -70mV. This is maintained by the presence of potassium ions. The influx of the sodium ions result in the change in the membrane potential from -70mV to +30mV.

4 0
2 years ago
What factors allow a pool of 20 amino acids to produce thousands of unique proteins? (select the 3 that apply.)?
dsp73
The possible answers are:
A. Variation in length of the amino acid backbone
B. Each protein is encoded by a distinct gene
C. Variations in the type of peptide bond
D. Variations in the glycosidic linkage
E. Variation in tertiary structure
<span>F. Variations in which amino acids are used

The correct answers are A,E and F
There are only 20 amino acids that make all of the proteins in our bodies. However, there are options for protein variation are almost unlimited.
Firstly, you can vary the number of different amino acid that you use to make a protein.
Secondly, you can also vary the length of the amino acid chain.
And thirdly, when an amino acid chain is formed different parts of the chain interact with each other, bonding chemically, forming different 3-dimensional structures of the protein.
All of this contributes to the vast variation in proteins.</span>
3 0
3 years ago
The replica fossil you just created models the actual formation of fossils on Earth. In your replica, what do the clay and the p
LenaWriter [7]

The making of replicas of the original fossils, is pretty much the say way, just different materials, in which the fossils originally have been formed and preserved.

When an organism dies, be it a plant or an animal, it gets fossilized only if very quickly after the death it is covered with sediments or mud. The sediments or the mud protect the plant or animal from the outside influences, so once it is kind of in a vacuum, or protective layer if you will, in which parts of the plant or animal that are long-lasting are preserved.

The clay and plaster used for the replica, work in the same way, because they wrap around the fossil tightly and isolate it from outside influences, with the result being different though, as they just make a copy of the fossil.

4 0
3 years ago
Weasels eat arctic hares, which is the predator
lesya [120]
The predator would be the weasel, as it hunts down the hare :)
6 0
3 years ago
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