Answer:
Plant life cycles are classified as ( annual, biennial, or perennial. )
Explanation:
Annuals complete their life cycle of germination from seed, growing, flowering, fruiting and dying within a single season of growth. Biennials require two seasons to complete their life cycle.
Answer:
The Miller–Urey experiment (or Miller experiment) was a chemical experiment that simulated the conditions thought at the time to be present on the early Earth, and tested the chemical origin of life under those conditions. The experiment supported Alexander Oparin's and J. B. S.
Explanation:
Thyroxine is a hormone that is secreted by the thyroid gland to the blood stream. BMR is the basal metabolic rate that is affected by the levels of thyroxine hormone in the system. Hypophysectomy is the removal of the pituitary gland from an organism, in this case the rats. BMR rate of the rat seemed to increase with the injection of thyroxine however the BMR was still lower than the BMR of a normal rat with the thyroid gland and the dose was too low.
A reptile is a mammal that lives on land with scales whereas an amphibian is a creature that lives in both land and water so has gills but grows lungs as it ages
Answer:
one uses metal ion catalysis, while the other uses a nonmetal group to transfer electrons
Explanation:
A prosthetic group is a non-peptide (non-protein) component of a conjugated protein, which is covalently linked to the protein and is required for its activity. A heme group is a prosthetic group composed of a protoporphyrin ring and an iron atom in the center. Catalase is a tetramer composed of 4 heme groups which allow the enzyme to react with hydrogen peroxide (H2O2) in order to catalyze its decomposition to water (H2O) and oxygen (O2). Moreover, a cofactor is a non-protein compound and/or metallic ion that is required by an enzyme for its activity. Nicotinamide adenine dinucleotide (NAD) is a coenzyme involved in oxidation-reduction chemical reactions by carrying electrons from one reaction to another. NAD exists in two different states: an oxidized state (NAD+) and a reduced state (NADH, H for hydrogen).
