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artcher [175]
2 years ago
11

How are transgenic animals different from knockout animals?

Biology
1 answer:
Maksim231197 [3]2 years ago
6 0

Answer:

A knockout animal has definite inactivated piece of DNA, whereas a transgenic animal usually has an unknown activated piece of DNA.

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Which process must occur first before any cell division can take place
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Interphase. Reason: interphase is the first stage of mitosis but since mitosis is the division of the nucleus prophase is actually the first stage.

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3 years ago
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1. What helped Philip Gingerich decide what kind of fossil he found?
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many colleagues

Explanation:

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The chemical equation shown below represents photosynthesis. What is the role of substance A in photosynthesis?
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The answer is C. The missing product (A) is water an it combines with carbon dioxide and light to produce glucose (B).

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Action and reaction forces are described by which of Newton’s laws of motion?
IrinaK [193]

Answer:

Explanation:

La tercera ley de Newton o principio de acción y reacción establece que cuando dos cuerpos interacción aparecen fuerzas iguales y de sentidos opuestos en cada uno de ellos.

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3 years ago
An ecosystem consists of a community of living organisms
miss Akunina [59]

Answer:

1. interactions

2. environment

3. sun

4. photosynthesis

5. chemical

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7. food

8. energy

9. organisms

10. herbivores

10. first

12. Heterotrophs

13. second

Explanation:

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Organisms that use energy from the Sun or energy stored in chemical compounds to produce their own nutrients are called autotrophs. They are also called producers because most other organisms depend on autotrophs for food and energy. Heterotrophic organisms that can’t make their own food may obtain nutrients by eating other organisms. A heterotroph that feeds only on plants is called an herbivore. Herbivores are also called first order heterotrophs. Heterotrophs that feed on other herbivores are second order heterotrophs.

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