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artcher [175]
2 years ago
12

According to this evolutionary tree, approximately how many years ago did humans and orangutans share a common ancestor?

Biology
1 answer:
timama [110]2 years ago
5 0
The answer is 12 million years ago
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In a certain triangle ABC , A equals 30°, B equals 50°, and the side AB equals 3 in. Use a protractor and a straightedge to cons
natali 33 [55]
If you were to compute this, Angle C should be equal to 100°.

In a triangle, all angles sum up to 180°.

In triangle ABC, where the m∠A =30° and m∠50°:

m
∠A + m∠B + m∠C = 180°
30° + 50 + m∠C = 180°
80° + m∠C = 180°
m∠C = 180° - 80°
m∠C = 100°

The triangle should look like the picture attached. 

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3 years ago
What does the information in DNA molecules provide instructions for?
mihalych1998 [28]

Answer: (B)

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How much energy is needed to reduce glass bottles and aluminium cans?
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is there multiple choice ?!??!!?

Explanation:

4 0
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Which example is a body fossil?
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Answer:

claw print

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8 0
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The Na⁺/Ca²⁺ exchanger, which couples the movement of Na⁺ down its electrochemical gradient with the movement of Ca²⁺ against it
ludmilkaskok [199]

Answer:

The Na⁺/Ca²⁺ exchanger, which couples the movement of Na⁺ down its electrochemical gradient with the movement of Ca²⁺ against its electrochemical gradient, is a(n) <u>symporter secondary active transport </u>because Ca²⁺ and Na⁺ move in different directions across the membrane.

Explanation:

The Na⁺/Ca²⁺ exchanger is a secondary active transport because it uses the energy of the Na⁺ that moves in favor of its electrochemical gradient to bring a Ca²⁺ ion against its electrochemical gradient inside the cell. This transport needs the help of a  symporter, which is a protein that moves two different ions in the same direction.

4 0
2 years ago
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