Why do molecules go back and forth across the cell membrane?

Why is it more important to check for errors in dna replication than translation

How does the sustainability of an ecosystem benefit from sexual reproduction? A - increased number of offspring B - increased variation of offspring C - large offspring D - faster reproduction

Green beetles are a favorite treat of the blackbird. They live on the green foliage in a local temperate forest. Unfortunately, drought has caused most of the trees to die out in the leaves to turn brown.

Which was formed by meteoroid impacts on the moon's surface?

When created an mRNA, a cell matched a T with a G. This led to a different amino acid being added during translation. When this happens, what is it called? accurate base pairing mutation transformation differentiation

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. They result in either an individual having too many or too few chromosomes in their genome.

During which stage of disease should an infected person be considered contagious

A scientist observed the boundrary between teo tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. Does this result suppor the theory of plate tectonic? Why or why not?

Do you think the channel on Mars was formed by flowing water or flowing lava

Does the presence of acid-fast organisms in a clinical specimen always suggest serious clinical disease? why or why not?