For charged particles, transport across the cell membrane is influenced by the concentration gradient and ____
a. the size of the particle
b. pore size
c. electrical gradient
d. ATP production
e. membrane thickness
ANSWER: c
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Which of the following is an example of a phenotype?
a. a cat’s genome b. the color and length of a cat’s fur c. the alleles that a female passes on to her offspring d. the DNA sequence of an allele e. the DNA sequence of an allele and the alleles that a female passes on to her offspring
Which list of plants contains only basal angiosperms?
a. magnolia, cinnamon, avocado b. asparagus, bay laurel, orchid c. spice bush, banana, peach d. water lily, yucca, corn
A(n) sorus is a cluster of sporangia
____________________ Indicate whether the statement is true or false.
Biodiversity hotspots, not surprisingly, tend to have above-average densities of human populations combined with high human population growth rates.
a. true b. false