The cell you are examining under the microscope appears to contain a nucleus. This organism belongs to the domain
A. Archaea.
B. Animalia.
C. Bacteria.
D. Eukarya.
E. Fungi.
Answer: D
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During the follicular phase of the ovarian cycle,
A. meiosis I is completed to form the secondary oocyte. B. progesterone is secreted from the corpus luteum. C. estradiol is secreted from the cumulus mass. D. both meiosis I and progesterone secretion from the corpus luteum occur. E. both meiosis I and estradiol secretion from the cumulus mass occur.
A patient suspected of having tuberculosis has been admitted to the hospital. Which one of the following is not appropriate?
A) droplet precautions B) source isolation C) standard precautions D) use of a type N95 respirator by healthcare professional who are caring for the patient
Which cells produce antibodies?
a. helper T cells b. dendritic cells c. cytotoxic T cells d. NK cells e. B cells
A fully functional corpus luteum secretes
a. LH and FSH. b. estrogens and progesterone. c. GnRH and estrogens. d. estrogens and FSH. e. progesterone and LH.