CLEP Biology Exam – 2023 with 100% correct answers

Abiotic - correct answer Non-living factors that support an organism's life and reproduction within its habitat active transport - correct answer Transport across cell membrane with energy output from the cell Alleles - correct answer Different forms of corresponding genes on matching chromosomes Altruism - correct answer Social behavior of organisms to tend to serve the needs of the society as a whole in addition to its own individual needs Amensalism - correct answer type of symbiosis where one species is neither helped nor harmed while one species' growth is inhibited Anabolism - correct answer Process of cells building molecules and storing energy (in the form of chemical bonds) Antibodies - correct answer Protein produced by the immune system; find and attach to foreign toxins (antigens) to mark it for destruction Amylase - correct answer Starch-digesting enzyme Amino acids - correct answer Compounds of carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur, phosphorous that combine in various sequences to form proteins ATP - correct answer Adenosine troposphere; energy currency of cellular activity; efficient storage molecule for energy needed for cellular processes; nitrogenous base (adenine), a simple sugar (ribose), and three phosphate group Autotrophs - correct answer First trophic level; producers; produce their own food through photosyn