DNA strand: TAC TAT CAT GAT. The mRNA transcript of this strand of DNA would be...

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

Nucleic acid certain protein cell membranes certain carbohydrates

Is a measure of the different types of organisms in a community. question options: tertiary secondary primary none of the above