Stem cells show promise for mending damage due to
a. spinal cord injuries.
b. Parkinson’s disease.
c. muscular dystrophy
d. heart attacks.
e. all of these.
Answer: e
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Two glucose molecules are combined to make a maltose molecule. What is the chemical formula for maltose?
A) C3H6O3 B) C6H12O6 C) C12H24O12 D) C12H22O11 E) C12H23O10
Which of the following is not a reason for the importance of mRNA processing in eukaryotes?
A) longevity in the cytoplasm B) coupling of transcription and translation C) presence of a nuclear membrane D) turnover in the cytoplasm E) removal of introns
The sharp peak of estradiol secretion during the ovarian cycle
A. inhibits the secretion of LH and FSH. B. stimulates the secretion of LH and ovulation. C. stimulates growth of the uterine lining. D. stimulates completion of meiosis I. E. inhibits progesterone production.
Identify the stage of mitosis shown in panel D
a. interphase b. prophase c. metaphase d. anaphase e. telophase