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Vlad1618 [11]
2 years ago
12

Help me with this one pls

Biology
1 answer:
antoniya [11.8K]2 years ago
3 0

Answer:

i think its the first one sorry if its wrong

Explanation:

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3 years ago
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_________ is a smooth muscle cell has a central nucleus but lacks striations.
Natalija [7]

Answer:

Linings of hollow organs

Explanation:

Smooth muscle cells are usually found in the lining of hollow organs such as all arteries and veins, wall of stomach, uterus, urinary bladder, digestive system etc. The cells of these linings are spindle shaped and consist of a nucleus at the center which lacks striations.  

They work as a housekeeper and are under involuntary control except the heart. They lack striation because of irregular arraying of actin and myosin filament along the length of the cell.  

4 0
3 years ago
What happens when stimulus vanishes from a contracted muscle?
baherus [9]

Answer:

When a muscle contracts, the actin is pulled along myosin toward the center of the sarcomere until the actin and myosin filaments are completely overlapped.

Explanation:

Is this the answer you're looking for?

4 0
3 years ago
The image below shows plant cells.
bazaltina [42]

Answer:

I conclude that the answer is B

4 0
2 years ago
Based on the diagram shown above the Glycolsis, briefly describe the first step of cellular respiration, emphasizing the locatio
RSB [31]

Answer:

Glycolysis takes place in the cytosol which is part of the cytoplasm of the cell. Glucose is rearranged and phosphorylated to form F-1,6BP(fructose 16 bisphosphate which is very unstable) its splits into 2 phosphorylated 3C sugars (DHAP and G3P)(can interconvert) both form G3P to enter 3rd phase, G3P converted into pyruvate creates 4 ATP in total but has a net of 2 ATP and creates NADH. The raw materials needed are two molecules of NAD+ per glucose as well as 2 ATPs. Hope this helps!

Explanation:

3 0
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