Which of the following is a phase of the
menstrual cycle?
a. follicular phase
b. luteal phase
c. ovulation
d. all of these
e. none of these
D
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Which hormone regulates milk production in mammals and salt and water balance in other vertebrates?
A. growth hormone B. prolactin C. thyroid-stimulating hormone D. adrenocorticotropic hormone E. luteinizing hormone
SNPs located near each other on chromosomes are inherited as blocks known as ________.
Fill in the blank(s) with the appropriate word(s).
Which of the photographs in the above figure
represents the angiosperms? a. moss b. fern c. conifer d. monocot e. all of these
A microarray is a tool used in genetic research to determine the mRNAs being produced in a particular tissue, and their relative level of expression. Known genes can therefore be assayed for their expression in different situations
One use of the technology is in cancer diagnosis and treatment. If a known gene functions as a tumor suppressor, predict which of the following pieces of evidence would be most useful in diagnosis of a cancer due to a mutation in this tumor-suppressor gene. A) The tissue sample shows a high level of gene expression relative to a control (noncancerous) sample. B) The tissue sample responds to treatment with a mitosis-promoting compound. C) The mRNAs for the targeted tumor suppressor sequence are not being produced. D) The mRNAs for cyclins and kinases show unusually high levels of expression.