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spin [16.1K]
3 years ago
15

1. Explain how living things follow the law of conservation of energy

Biology
1 answer:
Alenkinab [10]3 years ago
4 0
Plants use the sun to produce food then animals eat the plants for food
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Upon centrifugation, particles sediment at different rates due to their physical properties. Tropomyosin is a rod-shaped protein
polet [3.4K]

Answer:

Elongated shape

Explanation:

Centrifugation separates molecules on the basis of angular motion.

Due to spherical shape, the value of 'f' is lesser for a spherical protien than the rod shaped one.

Hence the sedimentation coefficient for an elongated protien is 2.6S while htat of a spherical protien is 4.31S.

Hence its elongated shape results in slow centrifugation.

Some of the important principles of centrifugation are as follows :

  • The greater the mass, the more is the sedimentation rate i-e the one with greater mass will move down more rapidly as compared to the one with les mass.
  • Shape of particles also effect it, the rounder the particle, the lower frictional coeeficient.
  • Density of particles
  • Density of fluid
5 0
3 years ago
Which human action has not lead to significant changes in earth's biomes?
DanielleElmas [232]
It would be B I believe that is what i put on the quiz. I hope I helped
7 0
3 years ago
Read 2 more answers
During photosynthesis different gases move in and out of plant cells which phrase best represents the net flow of gases involved
malfutka [58]

Answer:

Carbon dioxide moves in; oxygen moves out

Explanation:

7 0
3 years ago
The scientists modified the genes that were turned on/off (expressed) in mice. What happened to the offspring of these mice?
daser333 [38]

The resulting mice will be induced with the changed gene either on or off. The offspring will have altered genes if both the alleles have the trait. This is a heritable change.

Explanation:

Making gene on or off is a process of gene regulation when one of the gene is methylated or histone modification to prevent access to transcription factors hence no expression of the protein. This process is called epigenetics.

The resulting progeny in mice will receive the allele of on or off the gene. Such genes with altered allele are also called as

The altered genes will be expressed in the resulting progeny of mice.

The epigenetic genes can be reverted with environmental effects in the offspring paramutable alleles. They are heritable.

6 0
3 years ago
The discovery that the moon is similar in composition to the outer portions of the earth most supports the
lorasvet [3.4K]

Answer:

It most suppoet tge impact theory.

Explanation:

The his impact theory or the big splash is one of the accepted theories of tge moon and it states that the moon or luna and explain the origin of the moon that a Mars sized object planetestimal collided with the the proto Earth and the ejecta debris joined together by gravitational force which is the moon and it's orbit the Earth. The moon have similar composition to the outer portion of the Earth.

4 0
3 years ago
Read 2 more answers
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