Proteins that speed metabolic reactions might have first formed when reactants could have begun interacting inside
tiny holes in rocks near deep-sea __________. Fill in the blank(s) with the appropriate word(s).
ANSWER: hydrothermal vents
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Using the figure below, identify the labeled part.
1) Label A: ______________________________
2) Label B: ______________________________
3) Label C: ______________________________
4) Label D: ______________________________
5) Label E: ______________________________
6) Label F: ______________________________
7) Label G: ______________________________
8) Label H: ______________________________
9) Label I: ______________________________
Why do ferns only thrive in moist environments? What will be an ideal response?
The sequencing method that cuts the DNA of an entire chromosome into small fragments and then clones these fragments is called
A. RFLP sequencing. B. clone-by-clone sequencing. C. consensus sequencing. D. shotgun sequencing.
There is a mutation in the operator of the trp operon in a cell such that the trp repressor is unable to bind to the operator. If tryptophan is added to the cell, what will happen?
A) Tryptophan will bind to the repressor, and trp enzymes will be produced. B) Tryptophan will bind to the repressor, and trp enzymes will not be produced. C) Tryptophan will not bind to the repressor, and trp enzymes will be produced. D) Tryptophan will bind to the operator, and trp enzymes will be produced.