Photosynthesis and chemosynthesis
C. Half shaded and half white.
Answer:
4
Explanation:
Amino acids are coded for by codons, which are triplets of nucleotides.
To work out how many amino acids are present, simply divide the cells into triplets.
AUG CGA UAC UGA
There are four triplet codons, so the sequence codes for four amino acids.
<span>Some of the first animals to develop an endoskeleton were: echinoderms.</span>
Answer:
The ozone layer in the stratosphere blocks out the sun's deadly ultraviolet rays. It acts as our planet's natural sunblock.
