Which of the following statements is true regarding steroid hormones? Select all correct choices
A. They are hydrophilic
B. They are hydrophobic
C. They have structures similar to cholesterol
D. They are composed of single aromatic
amino acids
E. They bind to cell surface receptors
F. They bind to cytoplasmic receptors
B,C,F
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In the process of alternation of generations, the _____
A) sporophyte is haploid and produces gametes B) sporophyte is diploid and produces spores C) gametophyte is haploid and produces spores D) gametophyte is diploid and produces gametes E) spores unite to form a zygote
Which flower provides the anticancer drugs vincristine and vinblastine?
a. four-o'clock b. sunflower c. petunia d. rosy periwinkle e. rose
An X-linked homozygous color-blind woman gives birth to a son who is not color blind. He could have normal vision because he
A) has Down syndrome. B) has Klinefelter syndrome. C) has Turner syndrome. D) is XYY. E) has triploidy.
The long-term chemical energy storage molecules in plants are steroids
Indicate whether the statement is true or false