Which one of the following is the catalyst in a metabolic pathway?
a) carbohydrates
b) phosphate groups
c) enzymes

Cedure,© data: rmativetable 1: positive and negative results when imacromoleculeregative results when testing for the presence of macromoleculeschemical test | positive test result negative tcarbohydrates – simplesugarse negizitivecarbohydrates – 2: results for the presence of macromolecules in the evidence sample

Discuss the functions of epithelial connective nerviud and muscular tissues

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome