The idea that the adenine and thymine bases of the DNA interact in some manner was first proposed by _______
A. Watson and Crick
B. Franklin
C. Pauling
D. Chargaff
D
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In plants, the sporophyte generation produces _______ as a result of meiosis.
Fill in the blank(s) with the appropriate word(s).
Which of the following statements is true of reptiles?
A. Eggs undergo external fertilization. B. Sperm are released in the vicinity of the female. C. Eggs have an amnion and a chorion. D. Larvae become adults by metamorphosis. E. Embryonic and fetal development in all species is only by oviparity.
Which of the following is used to locate a gene
of interest in an established DNA library?
a. a probe b. a vector c. a clone d. a SNP e. a fragment
Which would be an example of a catalyst in action?
A) a phosphate group attached to a protein changing its shape B) glucose and galactose binding to form lactose C) a protein converting glucose and fructose into sucrose without being changed itself D) a glycoprotein binding to a cell