Tissues are made of a grouping of cells.
a. true
b. false

The correct answer is A. True

Explanation:

Tissues are the basic structure of organs in both plants and animals. These are made of groups of specialized cells that have specific biological functions. For example, in animals muscles that support the movement are composed of muscle cells that had a specialized structure and function for this. This also applies to plants that are made of epidermal, vascular and ground tissues. According to this, it is true tissues are made of a grouping of cells as each tissue contains sets or groups of specific cells.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.