What links the two strands in a DNA helix together in the middle?

A. Phosphate groups

B. Sugar rings bonded together

C. Proteins

D. Bases with hydrogen bonds

Which mineral property looks at the color of the mineral's powder? fracture hardness cleavage streak

What would be an advantage of bacteria growing and dividing rapidly?

Carbohydrates: select one: a. in the form of oligosaccharides are often covalently bonded to proteins and lipids on the outer cell surface, where they serve as cell recognition signals. b. act as a relatively quickly available source of fuel.

Complete the table about prokaryotes classified by the way they release energy

Fats that have been artificially hardened by hydrogenation to remain solid at room temperature are called

Which is an abiotic factor of the boomslang's environment? A. the sun B. the tree C. the grass D. the people

A double-stranded molecule of DNA has 80 T nucleotides and 110 G nucleotides. What is the TOTAL number of nucleotides in this molecule of DNA?

Why is an angioplasty an incorrect treatment for an aneurysm? A) Aneurysms cannot be treated. B) An angioplasty may rupture the blood vessel wall. C) An angioplasty can have dangerous drug reactions. D) Aneurysms are treated only with pacemakers.

Why was nucleic acid disregarded for so long as the molecule responsible for the transmission of hereditary information?

Sally's estimated energy requirement, based upon her age, height, and weight, is approximately 2000 kcalories per day. What is the maximum number of kcalories per day that she can consume to lose 3 pounds per month. Assume 1 month is 30 days. a.