Which of the following stabilize the double helix of DNA? A. lonic bonds
B. Phosphodiester bonds
C. Hydrogen bonds
D. Hydrophobic interaction
E. Both B and C
- How does DNA and RNA differ?
A. Type of sugar they contain
B. How many strands they contain
C. By the bases they contain
D. By their function
E. All of theses

In fruit flies, gray bodies (g) are dominant over black bodies (g), and brown pigments (n) are dominant over yellow pigments (n). each individual possesses two alleles for each trait. if a fly that is homozygous dominant for both traits is crossed with a fly that is homozygous recessive for both traits, what is the predicted genotype of the offspring.

Ais a group of individuals of the same that exist together in the same place at the same time

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons