Which hormone is responsible for signaling ovulation?
a. FSH
b. inhibin
c. LH
d. estrogen
c. LH
You might also like to view...
Homologous chromosomes have the same arrangement of genes along their length
A. true B. false
Fertilization in mammals normally occurs in
the a. ovary. b. uterus. c. vagina. d. oviduct. e. follicle
Hybridization methods are based on:
a. the ability of two nucleic acid strands that have complementary base sequences to bond specifically with each other and form a double-stranded molecule. b. detecting phenotypic traits not detectable by conventional strategies. c. the principles of complementary nucleic acid hybridization with those of nucleic acid replication that are repeatedly applied through numerous cycles. d. determining the exact nucleotide sequence of a gene or gene fragment obtained from an organism.
Which of the following statements is TRUE of restriction enzymes?
A. they are not naturally produced by bacteria, but are bioengineered by humans. B. they protect bacterial cells from invasion by foreign DNA. C. they cut at random sites within a genome. D. they cleave DNA only at sites of adjacent thymine bases. E. there are less than 10 restriction enzymes known.