The two upper chambers are the atria or auricles. They are the left and right atriums
LD50 is used to express TOXICITY OF TOXINS AND POISONS.
LD50 stands for Lethal Dose 50. This is the standard measure of the toxicity of a material, which will kill half of the sample population of a particular test animal in a defined time period, when they are exposed to the material.
Answer:
Spermatogenesis:Onespermatocyteproducesfourspermatozoa. Oogenesis:Oneoocyteproducesonlyoneovum. Spermatogenesis:Spermsaresmallerthanspermatocyte. Oogenesis:Ovumislargerthantheoocyte
Explanation:
A codon is a tree letter nucleotide sequence in the mRNA. The tRNA anticodon attached to the corresponding amino acid recognizes the mRNA codon. A single amino acid can have more than one codon.
The serine codon can be one of the following:
<span>TCT, TCC, TCA, TCG, AGT, AGC</span>
Eukaryotic because it is found in plants and animals and not single celles