Answer:
C) period
Explanation:
Groups are columns on the periodic table (with the same number of electrons on the outer shell of the elements), whereas periods are rows (increasing in atomic number by 1 - 5, 6, 7, 8, 9 etc.)
The plasma membrane, because it's a selective permeable which means it only allows certain things in like sucrose.
Answer:
B. Codon
Explanation:
Codon- a sequence of three nucleotides which together form a unit of genetic code in a DNA or RNA molecule
Its that food dropped on the ground is safe to eat and will not be covered in germs as long as its picked up within 5 seconds after its dropped.