Answer:Figure: The two stages of photosynthesis: Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH

Explanation:

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3 years ago

Myocardial cells have long refractory periods in order to ensure each contraction is____. This is

koban [17]

Answer:These contractile elements are virtually identical to skeletal muscle. ... (a) Cardiac muscle cells have myofibrils composed of myofilaments arranged in sarcomeres, ... The refractory period is very long to prevent the possibility of tetany, a ... At this point, the calcium ion channels close and K+ channels open, allowing outflux ..

Explanation:

7 0

3 years ago

A piece of equipment that records earthquake

Lunna [17]

Explanation:

<h2>seismometer .</h2>

Hope this will help you.

4 0

3 years ago

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