Which of the following statements about chlorophyll is correct?
A. It appears green because it absorbs light in the green light spectrum.
B. It reflects all colors in the light spectrum except green.
C. It reflects light in the green light spectrum.
D. It reflects high-energy electrons.
E. All of the choices are correct.
C. It reflects light in the green light spectrum.
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Which large group of animals consists largely of osmoconformers?
A. marine invertebrates B. bony fish C. mammals D. insects E. amphibians
DNA polymerase is a primer-dependent enzyme that functions only in the 5'-3' direction. These are the two most fundamental concepts to understanding this enzyme
Based on this, which of the following enzyme pairs are analogous in prokaryotes and eukaryotes? A. DNA pol I : DNA pol ? B. DNA pol II : DNA pol ? C. DNA pol III : DNA pol ? D. All of the answers are correct
What is the difference between a dideoxynucleotide (ddNTP) used in sequencing and regular deoxynucleotides?
a. ddNTPs are tagged with radiolabels. b. ddNTPs have 3 extra phosphate groups. c. ddNTPs lack the free 3’ OH group on the five-carbon sugar. d. ddNTPs are bound by hydrogen bonds instead of phosphodiester bonds.
A fish circulatory system is indicated by the letter (s) ____
a. A only b. B only
c. C only d. both A and B e. both B and C