Different versions of a gene are called:
a. Nucleotides
b. Alleles
c. Polygenic
d. Chromosomes
Question 2
The lipids that compose the cell membrane are arranged with heads and tails such that:
A) The heads are in contact with extracellular and intracellular fluid and the tails oriented away from these fluids
B) The tails are in contact with extracellular and intracellular fluid and the heads oriented away from these fluids
C) Half of all heads and tails are in contact with extracellular fluid
D) Both heads and tails are in contact with intracellular fluid
Examples of two nucleotides
Sequence of nucleotides in a DNA molecule
HER-2 protein and gene-amplification assays
Gene products that are essential to mitochondrial function
The locations of disease-causing mutations in the cystic fibrosis gene
No gene interaction in the production of feather color in budgerigar parakeets