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.
Answers: 2
Biology, 21.06.2019 23:50, jennamae9826
Which statement about the immune system is false? a. lymphocytes reduce inflammation, b. b cells remember specific pathogens. c. most white blood cells kill bacteria d. white blood cells are made in lymph nodes.
Answers: 1
Biology, 22.06.2019 10:30, ashleydaya
Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection
Answers: 2
Biology, 22.06.2019 14:10, kenzielema12
Select the correct answer. what is the observable characteristic of a person called? o a. genotypephenotypeoc. alleleo d. gene
Answers: 2
Biology, 22.06.2019 15:30, viktoria1198zz
Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar
Answers: 2
There are four steps in bacterial conjugation. The second step is missing in this list. 1. Special s...
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