How many hydrogen bonds form between adenine and thymine?
a. 1
b. 3
c. 2
d. 0
c. 2
You might also like to view...
Otitis media is commonly treated with broad spectrum antibiotics, although there is a lot of push-back or pressure against doing this. Why are these drugs given for this condition?
A. The narrow-spectrum drugs are very toxic as opposed to the rather benign broad-spectrum ones. B. No other kinds of drugs and antibiotics can kill the bacteria causing otitis media other than the broad-spectrum class of drugs. C. Fungi are the most common cause of otitis media, and the fungi do not respond well to the narrow-spectrum drugs. D. Otitis media is often caused by a variety of bacteria growing together in a biofilm, and the bacteria often exhibit different susceptibilities to drugs.
Which of these is mismatched?
a. oligodendrocytes; make myelin for brain axons b. Schwann cells; make myelin for peripheral axons c. astrocytes; most abundant cells in the brain d. microglia; engulf dead or dying brain tissue e. none of these are mismatched
Germany is a very affluent European nation, so we would assume that its ecological footprint would most likely be ________
Fill in the blank(s) with correct word
An experiment during which two heterozygous F1 individuals are bred and produce two different phenotypes for a single trait is termed a ___________.
A. Punnett square B. Ctrihybrid cross C. monohybrid cross D. dihybrid cross