The sun heats the surface of the ocean, and two layers of water result. These layers are separated by what?

Which chromosomes carries the fewest number of genes

Which statements about salt marshes are true? Choose all answers that are correct. A. They are wetlands. B. They lack plants because of the salt. C. They occur near the ocean shore. D. They alternate between being dry and being flooded with water.

Nucleotide substitutions occur by mistake in a segment of ribosomal RNA at a constant rate of one substitution every 10,000 years.

Which of the following environmental conditions is most likely to be a stressor for plants? A. Extreme temperature B. Too much oxygen C. Low salinity D. Too much carbon dioxide

Which of the follow could be a description for the cytoskeleton in a cell? Question 15 options: Drawbridge Scaffolding Jelly

Match the following with their proper definitions. biomass a property capable of causing changes in matter a carbon-based fuel derived from living matter that existed in prehistoric times the energy of a moving object 2. energy 3.

25. The sodium-potassium pump a. increase the concentration of sodium ions inside a cell. b. decreases the concentration of sodium ions inside a cell. c. increases the concentration of potassium ions inside a cell. d. both (b) and (c)

What effect do you think increasing the number of protein carriers would have on the glucose transport rate?

When in the presence of sugar, yeast perform which process a. an aerobic process that occurs in cytoplasm b. an aerobic process that produces alcohol c. an anarobic process that produces lactic acid d. an anearobic processthat has co2 as a byproduct

Which of the following is best definition of technology A. The most recent electronic devices, B. Practical applications of scientific knowledge, C. The pursuit of scientific knowledge, D. The scientific process