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Rus_ich [418]
2 years ago
15

Which of the following is true about protein molecules?

Biology
1 answer:
larisa86 [58]2 years ago
4 0

Answer:

A.

Protein molecules have many functions in the body, including the storage of genetic information.

Explanation:

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Which is more active in cellular respiration: a germinating or a non germinating pea?
Morgarella [4.7K]

A germinating seed. This is due to the fact that the cells of a germinating seed are actively dividing as the plumule and radicle grow. This growth requires energy and this is derived from cellular respiration of the stored food in the cotyledons.  






7 0
3 years ago
Sound waves travel through gas liquid and solids A) True B) False
Novay_Z [31]

Answer:

True.

Explanation:

  • Sound is a form of Energy that produces a sensation of hearing in our ears.
  • Sound is produced as a result of vibration produced in a body.
  • Sound energy is transmitted from one place o other place by wave motion.
  • When a body vibrates, the particles of medium surrounding it starts vibrating about their mean position.
  • During vibration, they collide with the surrounding particle and transfer some energy to them.
  • They then start vibrating faster and transferring  energy to the next surrounding particle. This process continues till the vibration reaches a person ear.
  • Thus, particles are an important factor in propagation of sound.
  • Sound cannot travel in vacuum.
  • It requires a medium to travel from one point to another.
  • A sound can travel in all medium, solids, liquids and gases as all of these have particles.
  • The speed of sound is highest in solids and lowest in gases as the inter molecular space is largest in gases and smallest  in solids.
4 0
3 years ago
By controlling what enters and leaves a cell, the cell membrane A. aids in maintaining homeostasis within the cell. B. aids in m
Levart [38]
By controlling what enters and leaves a cell, the cell membrane A) aids in maintaining homeostasis within the cell. Homeostasis is the process by which organisms maintain life through eating, growing, and living in variable conditions. It would not make sense to answer B) because organisms do not control the homeostasis of their external environment. D) also would not be correct because cell's do not control osmosis in the external environment. The membrane does not control osmosis because osmosis is generally a random process of molecular diffusion whereas the membrane acts in a conscious and controlled way. 
3 0
3 years ago
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True or False; Carbohydrates and Lipids are organic, contain CHO and are both forms of energy.
Anastasy [175]
The answer is true! :) hope it helped
8 0
3 years ago
Where is water stored?
mylen [45]

water is stored in the atmosphere, on the surface of the earth, or underground. water storage areas are known as reservoirs.

I hope this helped you.

5 0
3 years ago
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