How long does it take to proceed from prophase I to metaphase I in oogenesis?
A. There is a pause for about a month.
B. There is a pause for a day.
C. There is usually a pause of about 1 hour.
D. It varies, but on the order of years.
E. One follows directly after the other.
Answer: D
You might also like to view...
Species richness is greatest at which latitude?
a. 60 degrees north b. 60 degrees south c. 0 degrees d. 40 degrees north e. 20 degrees south
The GFP gene is useful as a reporter gene because the cells and tissues with it emit bioluminescence when treated with what, which functions as a substrate?
What will be an ideal response?
Sugar is translocated in phloem from a source, or an area of __________, to a sink, or an area of
__________. a. low sugar concentration; high sugar concentration b. high sugar concentration; low sugar concentration c. positive water potential; negative water potential d. negative water potential; positive water potential e. low pressure; equally low pressure
When assigning a scientific name to an organism,
A. the species name is placed first. B. both genus and species names are capitalized. C. the species name is capitalized. D. the species name can be abbreviated. E. both genus and species names are italicized or underlined.