What does an ABC transporter use to transport larger ions and molecules across the cell membrane?
a. ATP
b. water
c. porins
d. signals
e. tunnels
a
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It is known that many trees lose their leaves in response to decreasing day length. As a result, you think that Gingko trees may also lose their leaves in response to decreasing day length. This statement is an example of:
A. a theory B. deductive reasoning C. an experiment D. a hypothesis
Oxidation-Reduction Reactions
What will be an ideal response?
Which of the following statements is supported by the information in this image and is consistent with your knowledge regarding genomic architecture in prokaryotes and eukaryotes?
A. The eukaryotic cell must have a nuclear spliceosome to remove introns from RNA. B. The eukaryotic cell must have a nuclear spliceosome to remove introns from DNA. C. The prokaryotic cell must have a nuclear spliceosome to remove introns from DNA. D. The prokaryotic cell must have a cytoplasmic spliceosome to remove introns from RNA. E. The eukaryotic cell must have a cytoplasmic spliceosome to remove introns from RNA.
The chemical 5-bromouracil mimics the chemical structure of thymine, making it a(n) (analog/nucleotide/precursor) of thymine
What will be an ideal response?