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serious [3.7K]
3 years ago
8

Which protein inhibits interaction between actin and myosin to prevent skeletal muscle contraction; and which ions remove the in

hibition?
Biology
1 answer:
zloy xaker [14]3 years ago
7 0

Answer:

Tropomysin, calcium

Explanation:

Tropomysin is a protein that prevents muscle contraction hence acts as a contraction inhibitor. It wraps around the actin blocking the binding sites for myosin on the actin.

Muscle will only contract when they get a rush of calcium ions.

The calcium ions binds to troponin, the troponin changes its shape. The change in shape will remove tropomyosin from the binding sites allowing myosin to bind on the actin leading to muscle contraction.

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Which is considered a scientific observation?
jasenka [17]

Answer:

Mahir noticed the plant he watered grew taller than those with less water

Explanation:in the process of the scientific method,an observation about an occurrence happens first before an hypothesis is formulated and tested .

Observation usually involves the the description of a phenomenon.

6 0
3 years ago
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A 2325-g (5 lb 2 oz) male newborn is delivered at 33 weeks' gestation; apgar scores are 7 and 8 at 1 and 5 minutes, respectively
denis23 [38]

The right answer is Child abuse.


Cannabis (marijuana) during pregnancy is dangerous for the fetus

During pregnancy, the active component of cannabis, which is THC (tetrahydrocannabinol), can go into the placenta and affect the fetus, including its birth weight (like the case in the question here) and brain function, reducing the baby's IQ and attention capacity.


Depending on the type of drug and the quantity consumed, it is also possible that the baby suffers from weaning at birth, that is to say from deprivation (inconsolable crying, irritability, tremors, feeding difficulties, etc.). .


Cannabis may also have longer-term effects in children (learning disabilities, behavioral problems, hyperactivity, etc.).


5 0
3 years ago
1. How were the scientists able to figure out how many animals there were of each species in
wlad13 [49]

Answer:

More than 35 species of plains animals

Explanation:

In addition to more than 35 species of plains animals, there are some 3,000 lions and great numbers of spotted hyenas, leopards, rhinoceroses, hippopotamuses, giraffes, cheetahs, and baboons.

4 0
2 years ago
what is the function of vesicles in the synthesis of proteins and the release or those proteins outside the cell?
Zina [86]

Vesicles transport newly synthesized proteins to the Golgi apparatus. After the Golgi apparatus modifies the proteins, vesicles transport the modified proteins to the cell membrane, where they are released.

Hope this helps!

-Payshence

7 0
3 years ago
I neeeeed helppp plz
EleoNora [17]

Answer:

amino acids

Explanation:

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3 years ago
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