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Licemer1 [7]
3 years ago
14

What are the four essential components of natural selection?

Biology
1 answer:
aksik [14]3 years ago
5 0
Overproductionmore offspring can be produced than can survive to maturitygenetic variationwithin a population, individuals have different traits and the traits can be inherited.struggle to survivecompete for food and shelterDifferential reproductionorganisms with the best adaptations are most likely to survive and reproduce<span>
</span>
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15. What must occur in order for genetic material to be passed to cells during cell division?
OverLord2011 [107]

Answer:

A

Explanation:

the process involves replication of cell's chromosomes, segregation of the copied DNA and splitting of parent cell's cytoplasm

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3 years ago
PLZ HELP MEH!!!!!! How does RNA act like a messenger to deliver genetic code information?
Elden [556K]
<span>D.The DNA code is translated by tRNA and then carried to the ribosomes by rRNA.</span>
6 0
3 years ago
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What determines the fate of a star? a) The star’s age b) The star's mass c) The star’s position in the galaxy d) The star’s colo
tatyana61 [14]
The Fate are determined by the mass of the star.
So,your answer is <span>b) The star's mass.

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7 0
3 years ago
Choose all of the ways that cellular respiration is different from photosynthesis. Select the 4 correct answers. *
shepuryov [24]

Answer:

It uses glucose as a reactant.

It uses oxygen as a reactant.

It makes ATP.

It happens in the mitochondria.

Explanation:

It occurs in cells.  - this is false. Both cellular respiration and photosynthesis occur in cells.

It uses glucose as a reactant.  - this is true. Cellular respiration uses glucose as a reactant, it is broken down to release energy. Photosynthesis produces glucose.

It uses oxygen as a reactant.  - this is true. Cellular respiration uses oxygen as a reactant. In contrast, photosynthesis releases oxygen as a byproduct

It makes ATP. - this is true. Cellular respiration makes ATP. Photosynthesis uses energy to produce the sugar which is used in cellular respiration to synthesise ATP.

It happens in the chloroplasts.  - this is false. Photosynthesis occurs in the chloroplasts, not cellular respiration

It happens in the mitochondria.  - this is true. Respiration occurs in the mitochondria, whereas photosynthesis occurs in the chloroplasts.

It involves oxygen, glucose, carbon dioxide, and water. - this is false, Both photosynthesis and cellular respiration involve oxygen, glucose, carbon dioxide, and water. Photosynthesis produces oxygen and glucose using carbon dioxide and water. Respiration produces glucose and carbon dioxide using water and carbon dioxide.

6 0
3 years ago
A three banded isoenzyme pattern with a 1:2:1 intensity ratio indicates a ________________ protein.
djverab [1.8K]

A three banded isoenzyme pattern with a 1:2:1 intensity ratio indicates a <u>dimeric</u> protein.

  • Isozyme is a multimeric forms of enzyme having similar specificity of the substrate but differences in kinetics and molecular weights of the enzymes.
  • The banding patterns of isozyme observed from electrophoresis is related to the genetic conditions in which different combination of polypeptide chains exhibited under the mendelian principles.
  • Hence with the intensity of 1:2:1 ratio, three banded phenotypes are formed having two homomeric and one heteromeric form from the dimeric protein in both multiple alleles at single loci and multiple /single allele at multiple loci.

Learn more about Isoenzyme on brainly.com/question/13030441

#SPJ4

7 0
2 years ago
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