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andrew-mc [135]
3 years ago
12

Which of the following organelles is only found in plant cells?

Biology
1 answer:
Anvisha [2.4K]3 years ago
7 0
D. Chloroplast is only found in plant cells not in animal cells
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Where did Watson and Crick do their work on Dna
SpyIntel [72]

Answer:

James Watson and Francis Crick with their DNA model at the Cavendish Laboratories in 1953.

Explanation:

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3 years ago
The American College of Sports Medicine's recommendations for physical activity include a minimum of
qwelly [4]

Answer:

Option-A

Explanation:

The American College of Sports Medicine (ACSM) now does not create the physical guidelines of their own instead produces the guidelines produced by the Physical Activity Guidelines for Americans.

The guidelines are different for different age groups and for the adults which is the group which likes doing physical training, the guidelines suggest that a person should do either 2.30 hours to 5 hours of the moderate exercise per week or 75 minutes to 150 minutes vigorous exercise per week.

In the given question, the most suitable option which follows the guideline of the ACSM is option-A.

Thus, Option-A is the correct answer.

5 0
3 years ago
The wall of the left ventricle is thicker than that of the right and the left ventricle pumps more blood than the right. Are the
Rus_ich [418]

The wall of the left ventricle is thicker than that of the right - True

The left ventricle pumps more blood than the right - False

<u>Explanation:</u>

Heart has 4 number of chambers. One among these chambers is the left ventricle. Among the four cambers of the heart, the thick one is the left ventricle. It appears below the left atrium. The left ventricle is present in the bottom left part of the heart. When the contraction of heart occurs the blood from the valve called mitral enters the left atrium from the left atrium.  

The left ventricle transports the oxygenated blood to the human body. The left ventricle needs along these things for pumping the blood. The right ventricle can function by itself and is more powerful than left ventricle. The right ventricle is responsible in pumping blood to the lungs on its own.

7 0
3 years ago
As you just learned, in real ecosystems, trophic efficiencies usually vary from about 5% to about 20%. as a result, net producti
konstantin123 [22]
When energy passes from one trophic level to the next, I would guess that the two factors which decrease the total amount of energy from being passed up are: 
1. An organism does not assimilate all the energy of food consumed. Within a consumer, digestion and assimilation of energy is not 100% efficient: some of the energy is lost.
2. A large proportion of energy assimilated by a producer and consumer is lost through respiration, i.e., day-to-day maintenance of metabolic processes.
6 0
3 years ago
PLEASEEEE HELP :((((
krok68 [10]

Answer:

D

Explanation:

7 0
3 years ago
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