fertilization (when and egg and sperm meet)
What will be an ideal response?
Conception
You might also like to view...
When the substrate is bound to the enzyme, the shape of the enzyme may change slightly, leading to
A. an induced fit B. a great range of possible catalytic activities C. a greater supply of activation energy D. more permanent binding through intimate total contact E. more possible products of the reaction
The only marsupial mammal living in North America is the
A. opossum. B. raccoon. C. ring-tailed cat. D. weasel. E. wombat.
Which of the following is consistent with the out-of-Africa hypothesis?
A) Modern Homo sapiens can trace their origin back to Neanderthals. B) Modern Homo sapiens can trace their origin back to Homo erectus. C) Interbreeding between early hominin species in Europe and Asia lead to the distinctive features of modern Homo sapiens. D) Homo sapiens have a common ancestor with Neanderthal and Homo erectus from Africa but did not interbreed with them. E) Modern Homo sapiens and Neanderthals have no common ancestor more recent than the first mammals.
How many copies of each gene are present in these skin cells at G1 of interphase?
A. 2 B. 4 C. 6 D. 8