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ATDH Biology Study Guide | Practice Questions & Verified Answers

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ATDH Biology Study Guide | Practice Questions & Verified Answers

Institution
Biology
Course
Biology










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Institution
Biology
Course
Biology

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Uploaded on
December 20, 2025
Number of pages
29
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers

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Abiotic factors nonliving parts of an ecosystem

Substances travel against their concentration
Active transport gradient and require consumption of energy by
carrier proteins

Aerobic cellular Breaking down carbohydrates for energy (consumes
respiration oxygen, more energy produced)

Uses the 2 NADH from glycolysis to convert the 2
Alcohol fermentation
pyruvate into 2 ethanol

Allele One variation of a gene

Amino acids building blocks of proteins

Involve using energy to build larger
Anabolic
macromolecules

Anaerobic cellular Breaking down carbohydrates for energy (no
respiration oxygen needed, but less energy produced)

kingdom of multicellular eukaryotic heterotrophs
Animalia
whose cells do not have cell walls

, known as protozoa, have food vacuoles. Include
Animal-like protists amoeba and paramecium. Heterotrophic (move via
flagella and cilia) and often parasitic pathogens.

Apparent competition Occurs when one predator preys on two species

Cell wall lacks peptidoglycan, lipids bound via
Archaea ether-linkages
Extremophiles: able to survive harsh environments

used as the cellular energy currency because of the
ATP
high energy bonds between the phosphate groups

A channel protein that provides a hydrophilic tunnel
ATP synthase to allow protons to flow down their electrochemical
gradient

The breakdown of the cell's own machinery for
Autophagy
recycling

Autosomes 22 pairs in the human body; nonsex chromosomes

Autotrophs Make their own food

, Organisms will replicate their genome while cell
Binary fission
division is happening

All ecosystems on earth, their interactions with each
Biosphere other and the lithosphere, geosphere, hydrosphere,
atmospher

Biotic factors Living elements of an ecosystem

light-dependent reactions of photosynthesis in
Calvin cycle which energy from ATP and NADPH is used to build
high-energy compounds such as sugar

Capillary action an adhesive force pulls water column upward

contain carbon, hydrogen, and oxygen
Carbohydrates Come in forms of monosaccharides, disaccharides,
and polysaccharides

Process by which inorganic carbon is converted into
Carbon fixation
an organic molecule

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