Branching of actin filaments can be initiated by
a. Arp2/3
b. formin
c. ADR/cofilin
d. fibrin
e. none of the above
Ans: a. Arp2/3
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What can be inferred from an organism that has undergone a gene knockout?
A. The GMO is a heterozygote. B. The GMO is a homozygote. C. The cloned gene carries a mutation. D. The GMO is a heterozygote and the cloned gene carries a mutation. E. The GMO is a homozygote and the cloned gene carries a mutation.
With gamete mutation the mutation is passed on to future generations
a. true b. false
DNA molecules, regardless of size, have a net positive charge
Indicate whether the statement is true or false
Why have reptiles successfully adapted to land?
A) They have a two-chambered heart to maximize oxygen utilization. B) They lack gills at any point during their development. C) They are endothermic. D) They nurse their young. E) They produce eggs that resist dehydration.