How are bacteria used in genetic engineering?

Before mitosis begins, a cell makes a copy of the DNA in the nucleus. What term is used to describe this process of making and exact copy of the DNA?

What are four different areas that are part of the hydrosphere?

Growing up, Darwin saw that farm animals with preferred traits were chosen for breeding. Those chosen animals usually produced offspring with the preferred traits. This best illustrates the process of a. natural selection. b. evolution. c.

Why is wind erosion so harmful?

Which base is found only in RNA? A) ribose B) thymine C) uracil D) deoxyribose

Which of the following needs a host to reproduce? 1) all of the above 2) eukaryotic cell 3) none of the above 4) prokaryotic cell 5) virus

Suppose that two ancient types of plants, one that grows in the winter and one that grows in the summer, appear together in the fossil record for two periods in the geologic time scale.

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How are traits inherited by offspring?

In homeotic mutants: Group of answer choices one body structure is missing. one body structure has been changed into another. one body structure has been duplicated. one body structure has significantly increased in size. the organism is infertile.