Key Terms A Flashcards
Accurate
How close to the true value a result is
Abdomen
The lower region of the body, contains kidneys and organs
Acid Rain
Slightly acidic rain that has dissolved gases like sulfur dioxide
Active site
Site on an enzyme where reactants bind
Active transport
The movement of substances against the concentration gradient using energy
Adaptation
A special feature that makes an organism well suited to its environment
Adult cell cloning
A process where the nucleus of an adult cell is fused with an empty egg to create a genetically identical clone
Aerobic respiration
Breaking down food using oxygen to release energy
Glucose + Oxygen -> Water + Carbon dioxide
Agar
Nutrient jelly on which bacteria is cultured
Allele
A version of a particular gene
Alveoli
Tiny air sacs in the lungs
Amino Acid
The building blocks of proteins
Amylase
Carbohydrase produced in the salivary gland and pancreas
Break down starch to sugars
Anaerobic respiration
Breaking down food without oxygen to release energy
Anomaly
A result that doesn’t fit the pattern or trend
Antibiotic
A drug that destroys bacteria in the body without damaging human cells
Antigen
The unique protein on the surface of a cell that can be destroyed by antibodies
Aorta
The main artery leaving the left ventricle carrying oxygenated blood
Artery
Blood vessel that carries oxygenated blood away from the heart
Asexual budding
A form of reproduction where a completely new individual forms on the parent
Asexual reproduction
Reproduction involving one individual producing identical offspring
Atria
Upper chambers of the heart. The right receives blood from the body while the left receives blood from the lungs
Auxin
A plant hormone that controls the responses of plants to light and gravity
The lower region of the body, contains kidneys and organs
Abdomen
