3 years ago

Describe what happens when a muscle contracts.

2 answers:

6 0

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.

11Alexandr11 [23.1K]3 years ago

5 0

Answer:

sliding filament theory. According to this theory, myosin filaments use energy from ATP to “walk” along the actin filaments with their cross bridges. When all of the sarcomeres in a muscle fiber shorten, the fiber contracts.

You might be interested in

What bacteria structures can make bacteria RESISTANT TO ANTIBIOTICS. CHOOSE ALL THAT APPLY.

VARVARA [1.3K]

Cell Wall

Explanation:

About 63% of the bacteria tested were Gram-negative, which means that they have a cell wall that is more resistant to certain classes of antibiotics than the cell walls of Gram-positive bacteria.

4 0

3 years ago

The energy released during ________ reactions can be used to drive ________ reactions, and this is called ________ reactions.

weeeeeb [17]

Respiration,chemical,photosysisssy

3 0

3 years ago

In photosynthesis, ______ and ______ are used to build_______ and release______. carbon dioxide, water, sugar, oxygen glucose, o

Gnom [1K]

Water and carbon dioxide are used to build atp and release oxygen

fairly certain that is correct. if i am wrong, you may hate me forever. hope that helps \m/

8 0

3 years ago

Can someone help I don’t know

stellarik [79]

1. Female, white fur

2. Male, white fur

3. Male, white fur

4. Female, white fur

Q3.) 2 generations (parents and offspring)

8 0

3 years ago

The transfer of energy from one organism to the next in an ecological community is called a?

ICE Princess25 [194]

In physics, it’s called energy-transfer

8 0

3 years ago