Biology OST Spring Break Review

Front

Which cells DO NOT have a cell wall?

Back

Animal cells do not have a cell wall, unlike plant cells and bacteria cells.

Front

How many alleles does an individual have for each trait?

Back

An individual has 2 alleles for each trait, one inherited from each parent.

Front

What is a change in one DNA triplet that may result in a new triplet that codes for a stop codon instead of an amino acid?

Back

This is known as a nonsense mutation.

Front

Plants and animal cells are examples of what type of cells?

Back

They are examples of eukaryotic cells.

Front

What is the genotype represented by Aabb?

Back

Aabb represents a heterozygous dominant for the first trait and homozygous recessive for the second trait.

Front

What is the function of the cell wall in plant cells?

Back

The cell wall provides structure and protection to the plant cell.

Front

What are the two main types of cells?

Back

The two main types of cells are prokaryotic cells and eukaryotic cells.

Front

What is the role of alleles in genetics?

Back

Alleles are different versions of a gene that determine specific traits.

Front

What is a missense mutation?

Back

A missense mutation is a change in a DNA sequence that results in a different amino acid being incorporated into a protein.

Front

What is a frameshift mutation?

Back

A frameshift mutation occurs when nucleotides are added or deleted from the DNA sequence, altering the reading frame.