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VikaD [51]
3 years ago
6

What differentiates one protein from another? A. size of amino acids B. sequence of amino acids C. color of amino acids D. chemi

cal structure of amino acids
Biology
1 answer:
Zolol [24]3 years ago
5 0
I’m pretty sure your answer is D! Hope this helps! :)
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How are limestone and shells connected to the carbon cycle plz answer and fast
noname [10]
Limestone contains calcium carbonate which comes from animals that have shells, it already has carbon. Other sources are ocean animals which create shells that combine both carbon and calcium. Their dead bodies also release carbon to the ocean. Limestone is also known as a sedimentary rock that has carbon. Outside the ocean, limestone emits the carbon and becomes part of the carbon cycle. In addition to this, limestones are widely used by people becomes a part of the carbon cycle. Its component is present on asphalt, animal feed.
5 0
3 years ago
What does runoff include
eduard

Answer:

Runoff is one of the ways land water finds its way back to the ocean, so it can join the water cycle again.

Usually, all the water that falls to the land gets soaked in the soil. However, during long rainy periods, or in the spring, when snow and ice glaciers start melting, soil gets oversaturated with water, so this excess water start flowing on the earth's surface. Gravity directs this water from higher to lower areas, where it will flow into some valley river. This river will take the runoff water to another river, then to the sea or the ocean.

Now this water can evaporate and start the water cycle once more.

4 0
3 years ago
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1. What causes the autorhythmicity or action potentials of the nodal cells? a. A decrease in chloride permeability b. A gradual
Sveta_85 [38]

Answer:

The correct answer will be option-C

Explanation:

The rhythm of the heartbeat is controlled by the pacemaker of the heart called the sino-atrial node.

The SA node generates action potentials which trigger the contraction and relaxation of the atrium and ventricles. The membrane potential generation initiates by the depolarization of the cell membrane when the L type of Ca⁺² ions opens up and calcium ions enter the cell.

This depolarizes the cell until the potential threshold is reached which lies between the -40 and -30 mV.

Thus, Option-C is the correct answer.

5 0
3 years ago
Please help!!! I was sick when I got this for homework so I have no clue.
den301095 [7]

Answer:

Number 3 is “dark”

Explanation:

After the Industrail Revolution, there was a large growth in dark peppered moth population.

6 0
3 years ago
????????????????????????
ozzi
Cell membrane would be corr3eect

8 0
3 years ago
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