Which macromolecule gives the most energy

carbohydrate

nucleic acid

lipid

protein

Suppose two brown haired parents have a red haired child what are the genotypes of each parent

Where do carbohydrates originate

The red shperes represent oxygen atoms and the blue spheres represent hydrogen atoms. Is this substance?

A student claims that if the animal producing the spermatozoa has a mutation in a mitochondrial gene, the probability that any offspring will inherit the mutation is zero. Provide evidence to support claim.

Which of the following does NOT create a "reassuring return to stability" in musical repetition? a. continually enlivening the work with musical creativity b. repeating a melody periodically to mark the form c. repeating a melody exactly d.

What are the conditions required for natural selection? Check all that apply.

An aphid is an insect that has mouthparts to sip plant sap. when placed on a herbaceous stem, it soon has its mouthparts embedded and is withdrawing plant sap.

1. Which of the following is know as "the glue" that holds our Solar System and Galaxy together? A - Centripetal Force B-Gravity C - Magnetism D - Centrifugal Force

Which of the following could be considered a reliable source of scientific information? A. A scientist's presentation of experimental results at a scientific conference. B. A sales representative's glowing description of the benefits of a new drug.

Which statements describes how animals get their necessary water