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Tems11 [23]
3 years ago
6

Active transport requires energy from the cell. A True B False​

Biology
2 answers:
Sindrei [870]3 years ago
8 0

Answer:

A

Explanation:

active transports moves things against the gradient so it requires energy

passive transport diffuses with the gradient so it doesn't require energy

Vladimir [108]3 years ago
3 0

Answer:

A TRUE

Explanation:

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During an earthquake, the ground surface ____.
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The correct answer is (c) Can move in any direction.

The movement of tectonic plates that led to the shaking of surface of the earth. The energy is released in the form of seismic waves. The place from where the earthquake starts is called focus. These waves are very intense. There are two more types of waves that are responsible for the movement of ground surface. The raylegh wave makes the ground surface move up and down. They cause most of the movement of ground. The side to side movement of ground surface is controlled by love wave.





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3 years ago
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What is a protein that is the main component of the thick filaments in muscle fibers and is responsible for muscle contraction?
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The main component of the thick filaments in muscle fibers is myosin protein.

<h3>What is myosin protein?</h3>

Myosin comes under motor protein, which is best known for muscle contraction.

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This protein is found in the muscle cells.

Thus, the correct option is b, myosin.

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3 years ago
Explain the similarities between photosynthesis chemical formula and cellular respiration chemical formula.
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Photosynthesis makes the glucose that is used in cellular respiration to make ATP. ... While photosynthesis requires carbon dioxide and releases oxygen, cellular respiration requires oxygen and releases carbon dioxide. It is the released oxygen that is used by us and most other organisms for cellular respiration

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3 years ago
Secondary lymphoid organs, such as the lymph nodes, spleen, and mucosa-associated lymphoid tissues, each have distinct features
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One major difference between these secondary lymphoid organs is the mechanism by which antigens or pathogens enter the organ.

Naive T cells can develop into effector and memory T cells, which remove the triggering antigen in peripheral tissues and produce protective immunity, with the help of secondary lymphoid tissues.

The spleen, which collects bloodborne antigens, the lymph nodes, which deal with antigens found in peripheral tissues, and the mucosa-associated, bronchial-associated, and gut-associated lymphoid tissues where antigens from epithelial surfaces are collected are examples of secondary lymphoid organs.

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3 years ago
15. The model includes a wavy arrow to show light striking the thylakoids. Which
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Answer:

This question is incomplete as it lacks the model, however, it can be answered based on general understanding of photosynthetic process. The answer is;

d. Light is the energy source for converting ADP to ATP, and NADP+ to NADPH.

Explanation:

Light dependent reaction, which is the first stage of photosynthesis, occurs specifically in the THYLAKOID of the CHLOROPLAST where the photons of light is absorbed by chlorophyll molecules (photosynthetic pigment). The light energy that hits the chlorophyll makes it excited, hence, providing the energy to produce ATP from ADP and NADPH from NADP+.

These products are pivotal in the next stage of photosynthesis (light independent stage). Hence, light plays a very crucial role in photosynthesis and the most useful way for communicating the role is by saying it provides the energy source for converting ADP to ATP, and NADP+ to NADPH.

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