Why is DNA replication said to be semiconservative?
a. because half of the DNA in a cell comes from one parent and half comes from the other parent
b. because the number of nucleotides within genes remains constant
c. because each new DNA molecule is composed of one old strand and one new strand
d. because the same process of DNA replication is used by all organisms
Ans: c. because each new DNA molecule is composed of one old strand and one new strand
You might also like to view...
Laboratory simulations provide indirect evidence that organic compounds such as __________ and
__________ self-assemble spontaneously under conditions like those thought to have prevailed on the early Earth. Fill in the blank(s) with the appropriate word(s).
Kidney stones initially collect in the
a. renal pelvis. b. ureters. c. urethra. d. urinary bladder. e. glomerulus.
No eukaryotic organisms have been shown to fix nitrogen without the aid of prokaryotes
Indicate whether this statement is TRUE or FALSE.
The bones in the forelimbs of a mammal ____
a. can often be traced to a common ancestor b. offer no evidence to support the theory of evolution c. perform the same function no matter which species they are in d. may exhibit either analogy or homology but not both when compared to the forelimb of another animal e. show convergence with some invertebrate structures