Life Science Midterm Study Guide Winter 2024

Front

What is the function of a lysosome in a cell?

Back

A lysosome contains chemicals that break down large food particles into smaller ones that can be used by the rest of the cell.

Front

What is the stigma in a flower?

Back

The stigma is the female part of the flower.

Front

Which part of the flower is known for its beauty and attracts insects?

Back

The petals are the most beautiful part of the flower and attract insects.

Front

What is a hybrid organism?

Back

An offspring with a mix of alleles for a specific characteristic.

Front

In a Punnett Square, what is the probability of offspring having a recessive trait phenotype if the probability is 25%?

Back

The probability that the offspring will have the recessive trait as the phenotype is 25%.

Front

What is the role of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis in the cell.

Front

What is the function of the nucleus in a cell?

Back

The nucleus contains the cell's genetic material and controls its activities.

Front

What are sepals?

Back

Sepals are the outer parts of a flower that protect the developing bud.

Front

What is purebred?

Back

A purebred organism has two identical alleles for a specific trait.

Front

What is the difference between dominant and recessive traits?

Back

Dominant traits are expressed when at least one dominant allele is present, while recessive traits are expressed only when two recessive alleles are present.