When the chromosomes uncoil, the nuclear envelope develops, and the cells divide it is which phase?
What will be an ideal response?
Answer: Telephase
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Ovaries produce ____ to prepare the uterus prior to implantation of a fertilized egg
a. estradiol b. oxytocin c. progesterone d. prolactin e. estrogen
Peptide hormones require ____
a. receptors in the nucleus b. cholesterol for synthesis c. synapses for target tissue interaction d. second messenger systems e. DNA receptors
Penicillin leaves the blood plasma through tubular walls and not through the glomerulus. Therefore, penicillin is removed from the blood by the process of
A. glomerular filtration. B. osmosis. C. diffusion. D. tubular reabsorption. E. tubular secretion.
Constitutive heterochromatin
a. has a reduced frequency of recombination. b. contains regions of repetitive DNA. c. is permanently condensed. d. has a reduced density of genes. e. All of the above.