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vlada-n [284]
3 years ago
7

Which is the main function of photosynthesis?

Biology
1 answer:
raketka [301]3 years ago
8 0

Answer:

to produce food for the plant

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Some of the most intelligent invertebrates belong which group?
Crank
One of the most intelligent invertebrate animal is the octopus. These animals belong to the cephalopod class of molluscs. These animals demonstrate relatively complex reasoning especially when capturing prey. They also demonstrate their intelligence by their communicating skills and some even show signs of learning. 
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3 years ago
You may have heard through various media of an animal alleged to be the hybrid of a rabbit and a cat. Given that the cat (Felis
Katyanochek1 [597]

Answer:

The correct answer is - 2n = 41 chromosomes.

Explanation:

It is given that the cat has a diploid chromosome number of 38 while the rabbit has a diploid number of 44 chromosomes and if they form a hybrid then their expected chromosome number in somatic cells would be -

Cat (2n=38) produces haploid gametes with 19 chromosomes (n-19).

Rabbit (2n=44) produces haploid gametes with 22 chromosomes(n=22)

19+22= 41 chromosomes in the particular hybrid as half number of chromosomes come from each parent.

6 0
2 years ago
Cross bridge formation between myosin heads and actin molecules is caused by the elevation of calcium ion concentration in the c
almond37 [142]

Answer:

sarcoplasmic reticulum deteriorates and ATP production is stopped

Explanation:

Rigor mortis is the third stage of death characterized by stiffening of joints and muscles in body. The stiffening occurs because muscles are not able to return to the relaxed state. There are two reasons for rigor mortis, depletion of ATP and increase in calcium concentration in cytosol. Due to these factors the actin-myosin crossbridge is not able to break and the muscles remain in contracted state.

Sarcoplasmic reticulum deteriorates and calcium is released into the cytosol. Sarcolemma ( covering of muscle fiber ) also breaks down releasing extra calcium into the cytosol. Calcium is responsible for formation of actin-myosin cross bridge and when its concentration increases the bridge is formed continuously leading to stiffening of muscles and joints.  

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2 years ago
A __________ is a set of parts that function together as a whole. A) biosphere B) climate zone C) system D) habitat
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C) a system is a set of parts that function together as a whole

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3 years ago
What is the name of the gas that plants absorb from the air and use to grow
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Carbon dioxide, or CO2.

Plants produce oxygen for us to breathe, and in exchange they take the gas we breathe out: carbon dioxide.
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3 years ago
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