Which of the following signals indicates shade to a plant?

A) lower temperature

B) blue light

C) far-red light

D) green light

Which important property of DNA did Friedrich Miescher discover? -It is made partly of sugar molecules. -It has a double-helix structure. -It is three-dimensional. -It is found in the nucleus of a cell.

The equations represent two biochemical processes that occur in living organisms. The letter X represents a molecule produced from process 1.

A process that lowers or tears down the surface of the earth is a

Based on the food web below, which of the following is a consumer?

First-division nondisjunction will only yield gametes with an extra chromosome. True or False

Which of the following is a complete list of the main types of chromosomal mutations? (A) inversion, duplication, insertion, translocation (b) deletion, duplication, inversion, translocation (c) deletion l, duplication l, inversion, translocation

Which of these is a heterotroph?

Finding clam shells in a rock indicates that the region was once a shallow marine environment true or false

What part of your name corresponds to the genus name of an organism?

Alfonso is very tall and thin and cannot seem to add any muscle, although he works out in the gym four days every week. while at the gym, alfonso compares his lack of muscle with the muscles of other men who work out at the gym.