Human sperm must develop at a temperature that is _____ body temperature.
Fill in the blank(s) with the appropriate word(s)
Answer: Cooler than
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Determining the exact nucleotide sequence of a gene or gene fragment obtained from an unknown organism is based on which of the following methods?
a. Hybridization b. Sequencing c. Amplification (PCR) d. Genotypic
Experiments that are done inside a living cell are described by the Latin term
A) in vino. B) in vito. C) in vivo. D) in vitro.
Endocrine glands and neurons receive signals from the ____
a. amygdala b. hypothalamus c. adrenal cortex d. anterior pituitary gland e. thyroid
A radioactive isotope has a half-life of 5,000 years. A rock originally contained 16 grams of radioactive isotope, and now contains 4 grams. Approximately how many years old is the rock?
a) 75,000 years b) 5 million years c) 3,750 years d) 10,000 years e) 15,000 years