A J-shaped growth curve is converted to an S-shaped one:
a. when the parents are past reproductive age
b. if the data are plotted in reverse
c. when the carrying capacity is reached
d. if reproduction stops
e. only for fast-growing populations such as bacteria
c
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Mutations at intron-exon splice sites in DNA can lead to a(n) _____
a. short or truncated protein b. protein that has a change in polarity c. change in hydrophobicity d. unspliced mRNA e. mRNA that cannot be translated
Four of the five choices listed below are related by a
common location. Select the exception. a. follicle b. corpus luteum c. cervix d. oogonium e. antrum
Plantlike protists have which of the following traits in common with plants?
A.) They both have chlorophyll B.) They are both heterotrophic C.) They are both motile D.) They are both decomposers
The electrons at the very end of both photosystems are eventually picked up by an electron carrier to become:
A) H2O. B) ATP. C) O2. D) sugar. E) NADPH.