2024-8th 1st Semester Exam

Front

What is a substitution mutation?

Back

A substitution mutation is when one or more nitrogen bases is replaced by a different nitrogen base.

Front

What is the process of making a copy of DNA called?

Back

The process of making a copy of DNA to create another DNA molecule is called replication.

Front

What do we call a cell that contains one chromosome from each pair?

Back

A cell containing one chromosome from each pair is called haploid.

Front

What is a constant in an experiment?

Back

A constant is a factor in an experiment that stays the same.

Front

What is the role of rRNA in protein synthesis?

Back

rRNA helps form the chemical bonds that attach amino acids to one another as they form chains.

Front

What are the three types of genetic mutations?

Back

The three types of genetic mutations are deletion, insertion, and substitution.

Front

What is the difference between haploid and diploid cells?

Back

Haploid cells contain one chromosome from each pair, while diploid cells contain two chromosomes from each pair.

Front

What is the function of DNA replication?

Back

The function of DNA replication is to create an identical copy of the DNA molecule for cell division.

Front

What is a variable in an experiment?

Back

A variable is a factor in an experiment that can change.

Front

What is the role of mRNA in protein synthesis?

Back

mRNA carries the code from the nucleus to the cytoplasm that determines the order of amino acids in a protein.