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kati45 [8]
3 years ago
15

How can crossbreeding help save a type of crop plant

Biology
1 answer:
AleksandrR [38]3 years ago
3 0
<span>By combining it with its wild respective realtive to avoid acquiring diseases. or It can save a crop plant by altering its structure, so it can repel diseases</span>
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Describes the structure of nucleic acids
dem82 [27]

The secondary structure is responsible for the shape that the nucleic acid assumes. The bases in the DNA are classified as purines and pyrimidines. ... A purine base always pairs with a pyrimidine base (guanine (G) pairs with cytosine (C) and adenine (A) pairs with thymine (T) or uracil (U)).

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3 years ago
What would we have to do to make water on mars drinkable? Is there water under the surface? Would we be able to make use of that
Reika [66]

Answer:

What would we have to do to make water on mars drinkable? Is there water under the surface? Would we be able to make use of that water? Would we be able to make more water than mars already has? Does mars have enough water to sustain human life?

Explanation:

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5 0
3 years ago
According to the cell theory, why is a car not alive?
rosijanka [135]
D. a car is not made up of living cells
4 0
3 years ago
Read 2 more answers
PLEASEEE HELPPPPP!!!!!!!
Anuta_ua [19.1K]

Answer:

The coral reefs of the Caribbean are thought to be under threat

Explanation:

Overfishing threatens over 60 percent of Caribbean coral reefs. Declines in coral cover and increases in algal cover have been observed across the region. This analysis identified about one-third of Caribbean reefs at high threat from overfishing pressure and about 30 percent at medium threat.

4 0
3 years ago
.. Which of the following mutations would have the potential to affect future generations of
ch4aika [34]

Answer choices:

  • A frame shift mutation in the X chromosome of a cheek cell
  • A chromosomal mutation in the Y chromosome of a kidney cell
  • A point mutation in the first chromosome of a sperm cell
  • A substitution mutation in the third chromosome of a uterus cell

Answers:

A point mutation in the first chromosome of a sperm cell

Explanation:

Only mutations that affect the germ line are passed on to the next generation. Therefore, only mutations in the egg and sperm of an individual have the potential to affect the next generation.

Mutations in cheek cells, kidney cells, and uterus cells might cause cell death or cancer. This genetic material is not passed on to the next generation, only the egg and sperm contribute this material. Therefore, only mutations here will affect the generation.

4 0
3 years ago
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