Bio Sem 1 Final Study Questions Part 2

Front

What are homologous chromosomes?

Back

Pairs of chromosomes that carry the same genes.

Front

In which phase of the cell cycle does a cell spend most of its existence?

Back

Interphase.

Front

What is a codon?

Back

A triplet of nucleotide bases that corresponds to a particular amino acid.

Front

What happens to a cell if it is exposed to a temperature outside of its range of tolerance?

Back

The cell quickly dies.

Front

What does metabolism include?

Back

Both anabolism and catabolism.

Front

Define diploid.

Back

A cell that contains two complete sets of chromosomes, one from each parent.

Front

Define haploid.

Back

A cell that contains a single set of unpaired chromosomes.

Front

What is the role of mRNA in protein synthesis?

Back

mRNA carries the genetic information from DNA to the ribosome for protein synthesis.

Front

What is the function of ribosomes?

Back

Ribosomes are the sites of protein synthesis in the cell.

Front

What is an anticodon?

Back

A sequence of three nucleotides in tRNA that pairs with a complementary codon in mRNA.