The time it takes for half of the atoms in a radioisotope sample to decay is called the ____
a. decay time
b. half-life
c. isotopic life
d. release time
e. denature time
ANSWER: b
Biology & Microbiology
You might also like to view...
Examine Figure 23.2 in your textbook. If we defined a taxon to include only the extant coelacanths and lungfish but not their most recent common ancestor, it would be a _____ group
A. monophyletic B. paraphyletic C. polyphyletic
Biology & Microbiology
In what sense is genetics the key to all of biology?
What will be an ideal response?
Biology & Microbiology
An organism whose genetic makeup is 50% C-G bonds would have a(n) _________ melting temperature (Tm), compared with an organism with 20% C-G bonds
a. higher b. lower c. equal d. similar
Biology & Microbiology
Actin is a structural subunit of
a. myosin. b. microtubules. c. intermediate filaments. d. microfilaments. e. all of these.
Biology & Microbiology