3 Biology questions, will reward brainliest whoever answers them all correctly!

1.) This diagram shows the process of translation. Which statement is correct?
 
a.)The molecule of tRNA is taking away amino acids one at a time.
b.)The mRNA code determines which tRNA molecules are used.
c.)The molecule of tRNA bonds with mRNA, then the tRNA bonds to an amino acid.

2. A point mutation that changes a codon specifying an amino acid into a stop codon is called a

a.)Missense
b.)Nonsense
c.)Silent

3. Trisomy 21, a genetic disorder where the individual has an extra chromosome 21, is a result of chromosomes not separating properly during meiosis (see below). What is the name of the mutation that causes this genetic disorder?

a.)Inversion
b.)Translocation
c.)Nondisjunction