Which of the following subdisciplines is concerned with the expression of RNA molecules?
A. proteomics
B. genomics
C. metagenomics
D. transcriptomics
E. phylogenetics
D
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Speciation can arise through abrupt events, such as changes in chromosome number, or as a consequence of adaptation to different ecological niches. What is the term for the splitting or diverging of a population into two or more species? Which of the figures above represents this term?
A. Anagenesis; Figure A.
B. Anagenesis; Figure B.
C. Cladogenesis; Figure A.
D. Cladogenesis; Figure B.
E. Cladogenesis; Both Figure A and B can represent this term.
How many types of nucleotides are found in
DNA molecules?
a. 1 b. 2 c. 3 d. 4 e. 6
Which part of the T2 bacteriophage entered E. coli cells in the experiment which confirmed the identity of the transforming principle?
A) The RNA B) The DNA C) The whole virus D) The protein coat E) No part
Predation can change the life history of a prey species when predators choose prey based on their _________.
A. speed of movement B. body size C. coloration D. population size E. habitat