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goldfiish [28.3K]
3 years ago
9

Crossing over and fertilization both result in which of the following

Biology
1 answer:
QveST [7]3 years ago
8 0

Answer: increase in genetic variation

Explanation:

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_______ is/are the raw material of evolutionary change. xx xxxxxxxxx xxxxxx xx xxxxxxxxxxx xxxxxx C. Genetic drift D. Mutations
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D. mutations is the answer
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Which predator is typically found in Central Africa
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Most probably a king cobra snake, which originates from yes Central Africa, especially in Kenya.
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The element iron belong to what family?
yanalaym [24]

Answer:

Transitions metals family hope this helps

Explanation:

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Recall the following rules for base pairing in a DNA strand (note: not in an RNA strand):
Annette [7]

Answer:

AAATT - TTTAA  

CGCAT - GCGTA

GGGAC - CCCTG  

ACGGT - TGCCA

Explanation:

In DNA, A and T, also known as adenine and thymine pair together and G and C, also known as guanine and cytosine pair together due to the hydrogen bonds formed between the two bases.

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4 years ago
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Write down the clinical findings which are least suggestive of left-sided heart failure?
Arada [10]

Answer:

Adverse heart conditions do not occur in isolation. It is usually accompanied by other risk factors, like coronary artery dysfunction, diabetes, high blood pressure, etc.    

In addition to the above, the following factors are indicative of left-sided heart failure:

  • Shortness of breath caused by the collection of fluid in the lungs. Shortness of breath usually becomes pronounced upon physical exertion
  • An increase in the girth of the torso (mainly the abdomen) due to ascites which is the buildup of fluid in the abdomen.
  • engorged scrotum (in males of course)

Explanation:

Left-Sided Heart Failure is simply the inability of the heart to pump oxygen-rich blood into the body.

Blood filled with oxygen is moved from the lungs to the atrium on the left and then to the left ventricle. The blood is then pumped from the ventricle on the left to other parts of the body by a contracting and relaxing action. Left-sided heart failure can be classified into two:

  1. Systolic Failure and
  2. Diastolic Failure

1. Systolic Dysfunction: When the left ventricle can no longer shrink properly, the pressure with which the heart can pump enough blood into circulation is reduced.

2. Diastolic Dysfunction: This occurs when the left ventricle can no longer relax as it ought to due to the hardening of the muscle.

Cheers

7 0
3 years ago
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