Which of the following most closely describes the cervix?
A. a neck-like area of the ovary
B. a region between the uterus and vagina
C. a narrowed opening from the prostate gland
D. an opening from the vagina to the outside
A. a neck-like area of the ovary
B. a region between the uterus and vagina
C. a narrowed opening from the prostate gland
D. an opening from the vagina to the outside
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How do North American porcupines protect themselves from predators?
a. Their coloration serves as a disguise. b. They seek shelter in a tree. c. They have large jaws with teeth. d. They release a noxious spray. e. They release sharp modified hairs that stick in a predator’s mouth.
The application of __________ substitutes for low temperature or light requirements for biennial
germination. a. indoleacetic acid b. indolebutyric acid c. naphthaleneacetic acid d. gibberellins e. ethephon
Suppose ENZ-1 and ENZ-2 are two different restriction enzymes. If various pieces of DNA from different species are cut with these enzymes (as follows), which would most easily form recombinant molecules?
A) Human DNA cut with ENZ-1 and human DNA cut with ENZ-2 B) Human DNA cut with ENZ-2 and gorilla cut with ENZ-2 C) Bacterial DNA cut with ENZ-1 and bacterial DNA cut with ENZ-2 D) Human DNA cut with ENZ-1 and gorilla DNA cut with ENZ-2
To study an organism's transcriptome by microarray, ________ is hybridized onto DNA silica chips containing gene sequences that are ________ to the sequence
a. cDNA / complementary b. cDNA / identical c. mRNA / complementary d. mRNA / identical