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lakkis [162]
3 years ago
9

Scientists are sure that having 2 heads is only caused by a genetic mutation. true false

Biology
1 answer:
azamat3 years ago
7 0

Answer:

I think It's true

Explanation:

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inysia [295]
The transfer of antibodies from a mother to the fetus. This occurs naturally, and since it is the transfer of antibodies, it is passive immunity. 
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3 years ago
When a muscle is stimulated to contract aerobically, less lactic acid is formed than when it contracts anaerobically because:___
lyudmila [28]

Answer:

5. under aerobic conditions most of the pyruvate generated as a result of glycolysis is oxidized by the citric acid cycle rather than reduced to lactate.

Explanation:

The contraction of muscles occurs in the presence of Adenosine Triphosphate (ATP) because ATP supplies the muscles with the energy they require for contraction.

Muscles can undergo contraction Aerobically ( in the presence of oxygen) or Anaerobically ( in the absence of oxygen).

When a muscle is stimulated to contract aerobically, less lactic acid is formed than when it contracts anaerobically because under aerobic conditions most of the pyruvate generated as a result of glycolysis is oxidized by the citric acid cycle rather than reduced to lactate.

4 0
4 years ago
The four main types of macromolecules are organic. What does organic
inn [45]

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Explanation:

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Biological macromolecule is organic so they contain carbon. A part of carbon they contain nitrogen, hydrogen and additional minor element.   Enzymes and some hormone are example of protein.

4 0
3 years ago
Describe the milankovitch cycle.
Gnoma [55]
Its the  Eccentricity of the earth. (shape of Earth's Orbit around the sun, whether it is more circular or ovular.)
7 0
4 years ago
A child has type O blood. Which of the following couples could be the child's parents?
Fofino [41]

Answer:D Is the correct answer.

Explanation: All of the options could be the parents of the child with type O blood, because every type of blood has an O type in it.

3 0
3 years ago
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