What percentage of the offspring neither are carriers nor have sickle cell anemia? 0% 25% 50% 100%

Flower color in a particular plant species is determined by one gene. The alleles of that gene can code for either red flowers or blue flowers. When a red plant and a blue plant are crossed, some of the offspring produce purple flowers.

What are the main functions of DNA polymerase? a. holds DNA strands apart and attracts bases b. binds nucleotides and corrects base pair errors c. zips and unzips the double-stranded DNA d. breaks hydrogen bonds and exposes bases

Compare and contrast protozoan cysts fungal spores and bacterial endospores

Which of the following statements about biological membranes is FALSE? Which of the following statements about biological membranes is FALSE? Lipids and proteins move laterally at approximately the same rate within the membrane.

A metal coin has certain properties that can be measured which property of a coin is different on the moon than it is on earth? A. density B. mass C. volume D. weight

What two factors show us how bright the store looks from earth

What is another term for survival of the fittest? A. Natural selection B. Adaptation c. Genetic mutation D. Variation

Which of the following could be said about ecological footprints? A. the average ecological footprints for various countries are nearly identical. B.

The reactants of cellular respiration are carbon dioxide. glucose. oxygen. water.

Which of the five kingdoms in Whittaker's phylogenetic tree are prokaryotic, and which are eukaryotic?