Biology Question:
When the concentration of molecules on both sides of a membrane is the SAME, the solution moves from an area of higher concentration to an area of lower concentration.

True or False?

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

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

What will happen if two of the base pairs of the stand of the dna are switched