PLEASE HELP ASAP TIMED TEST. A single diploid cell goes through meiosis. Only one useful gamete is produced. Did this meiosis take place in a male or female?

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist