Biology, 01.07.2020 21:01 richaeviney
There are four steps in bacterial conjugation. The second step is missing in this list. 1. Special sex pilus connects two cells. 2. 3. Each cell makes a complementary DNA strand. 4. The cells separate. Which is the missing step for the process of conjugation described? Two new, identical cells are produced. The cell membrane elongates and pinches off. Some DNA moves from one cell to another. A DNA molecule attaches to the cell membrane.
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If bacteria are much too small to see, what is one reason why can we see colonies in the petri dishes that have plenty of food to eat after only a few days?
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Biology, 22.06.2019 20:20
What is the purpose of transcription? a. to copy the nucleotide in dna b. to form rna molecules from dna c. to produce a nucleic acid sequence from an amino acid sequence d. to link amino acids together to form stands of protein
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Write a hypothesis regarding mechanical and chemical weathering. will one create stronger results than the other? will they be equal?
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