Which scientist(s) was the first to suggest that the proportion of adenine and guanine differs from one species to
another?
a. Watson and Crick
b. Wilkins
c. Hershey and Chase
d. Chargaff
e. Franklin
ANSWER: d
You might also like to view...
Resolution improves when the wavelength of the illuminating light decreases.
Answer the following statement true (T) or false (F)
Kidney function is measured by the____
a. amount of urine produced over a 24-hour period b. rate of filtration c. rate of tubular secretion d. rate of absorption e. volume of urination produced overnight
Although the most frequent forms of Down syndrome are caused by a random error, nondisjunction of chromosome 21, Down syndrome occasionally runs in families. The cause of this form of familial Down syndrome is ________
A) an inversion involving chromosome 21 B) too many X chromosomes C) a chromosomal aberration involving chromosome 1 D) a translocation between chromosome 21 and a member of the D chromosome group E) a maternal age effect
The carcinogen known to cause the most cases and types of cancer is
A) X-rays. B) ultraviolet light. C) alcohol. D) tobacco.