Why mitochondria is also known as powerhouse of the cell?

Answers

Answer 1

Answer: This is because mitochondria performs anaerobic respiration due to the presence of oxygen .Hence this powers cell activities to make new protoplasm and also to provide energy.Especially in plants when transporting food ,it does it via active transport which requires energy.Hope understand.

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Terrance, whose birth mother drank heavily throughout pregnancy, has a thin upper lip, short eyelid openings, a small head, and a smooth philtrum. His physical growth has been slow, and he shows impairment in memory, attention span, motor coordination, and social skills. Terrance has __________. a. partial fetal alcohol syndrome b. alcohol-related neurodevelopmental disorder c. fetal alcohol syndrome d. cytomegalovirus
How does a mutation affect a gene? A. A mutation changes the sequence of RNA bases in a gene. B. A mutation creates the sequence of RNA bases in a gene. C. A mutation changes the sequence of DNA bases in a gene. D. A mutation creates the sequence of traits in a gene.

All the species classified under the Plantae kingdom are _____. photosynthetic eukaryotic multicellular all of the above

Answers

The best answer to the question above would be all of the above. All of the choices have undergone photosynthesis for the food production. All species classified under the Plantae Kingdom are photosynthetic, eukaryotic, and multicellular because they undergo photosynthesis to make their own food.

Answer:

All of the above

True or false? The two chambers at the bottom of your heart are called ventricles.

Answers

true because its called ventricles

I am pretty sure it is true.

The Northern Hemisphere is warmer in spring than in winter, because in springA) the days are shorter.
B) it gets more direct sunlight.
C) the Earth is closer to the Sun.
D) it is tilted away from the Sun.

Answers

Answer:

Option (B)

Explanation:

When the tilt of the earth is towards the sun, then it is called summer in the northern hemisphere. In this position, the sunlight is directly over the earth, as a result of which it absorbs more amount of heat. Spring is the season that starts from about 21st March to 21st of June or it can be considered as the season that exists between the summer and winter. Here, a high amount of sunlight is absorbed due to which the temperature eventually rises.

This is the reason why the northern hemisphere is relatively warmer during the spring season than in winter.

Hence, the correct answer is option (B).

B. It gets more direct sunlight.

Which of the following statements is true?Viruses are bigger than bacteria.
Viruses conduct cellular respiration like any other living organism.
Viruses have both RNA and DNA.
Viruses cannot be cultured on artificial laboratory media of any kind

Answers

Viruses cannot be cultured on artificial laboratory media of any kind.

Process of elimination,
--> Viruses are simpler than bacteria, therefore smaller (Can't be A)
--> Viruses don't contain organelles to conducted cellular respiration (Can't be B)
--> Viruses can only have either DNA or RNA, so when they enter a cell they either use reverse transcriptase or DNA replication, not both (Can't be C)
Therefore last answer is correct + I know that is the case

Answer:

Viruses cannot be cultured on artificial laboratory media of any kind.

Explanation:

Discuss three reasons why the freshwater and marine biomes are so important?

Answers

1. Saltwater is completely different from freshwater
2. Only certain animals can live in saltwater/regular water
3. Plants may not require things from saltwater to survive, things can die

Give an example of 4 type of movable joint and describe the type of action which the joint permits.

Answers

The 4 types of movable joints are:
1) Hinge joint - a joint that works like a hinge of a door. example: elbow joint

2) gliding joint - this joint allows a bone to slide over another, this joint is found in wrists and ankles.

3) pivot joint - a freely moving joint in which movement is limited to rotation. pivot joint in the neck located at its 1st and 2nd vertebrae. allows the head to move back and forth.

4) ball and socket joint - rounded end of one bone fits the cup like end of another bone. example is the glenohumeral joint in the shoulder.

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Moraines left by glaciers are different from deposits left by rivers because the rocks left behind are _____.organized and sorted unorganized and unsorted all very large all very small