Biology, 12.03.2020 20:48 lineaeriksen
As DNA replication continues and the replication bubble expands, the parental double helix is unwound and separated into its two component strands. This unwinding and separating of the DNA requires three different types of proteins: helicase, topoisomerase, and single-strand binding proteins. Sort the phrases into the appropriate bins depending on which protein they describe.
a. Bind at replication fork
b. bind after replication fork
c. prevent H-bond between bases
d. Break covalent bond in DNA banckbone
Answers: 3
Biology, 21.06.2019 22:40
Which sequence correctly shows the path of carbon dioxide during repiration?
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Biology, 21.06.2019 23:00
Use this new information to determine the parents’ genotypes (indicated by red arrows). then calculate the probabilities that the second male offspring will have each condition. drag one pink label to each pink target and one blue label to each blue target. then use the white labels to answer questions 1 and 2. labels can be used once, more than once, or not at all.
Answers: 3
Biology, 22.06.2019 01:00
Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain
Answers: 2
Biology, 22.06.2019 06:00
The empty trna moves off and picks up another matching amino acid from the cytoplasm in the cell. the anticodon of the trna, with its attached amino acid, pairs to the codon of the mrna, which is attached to a ribosome. this sequence is repeated until the ribosome reaches a stop codon on the mrna, which signals the end of protein synthesis. the ribosome forms a peptide bond between the amino acids, and an amino acid chain begins to form. when a second trna with its specific amino acid pairs to the next codon in sequence, the attached amino acid breaks from the first trna and is bonded to the amino acid of the second trna.
Answers: 1
As DNA replication continues and the replication bubble expands, the parental double helix is unwoun...
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