Semester Exam Review 2024-2025

Front

What does phloem transport?

Back

Phloem transports sugar (photosynthates) from the leaves to other parts of the plant.

Front

What happens to a cell in a hypertonic solution?

Back

In a hypertonic solution, the cell loses water and shrinks due to osmosis.

Front

What are lipids primarily known for?

Back

Lipids are primarily known for forming cell membranes and serving as energy storage.

Front

What type of mutation is represented by the change from ABC-DEF to AC-DEF?

Back

This is a deletion mutation.

Front

What is the correct order of the cell cycle actions: DNA replicates, cell grows, cell prepares for mitosis, cell divides?

Back

The correct order is: cell grows, DNA replicates, cell prepares for mitosis, cell divides.

Front

What is osmosis?

Back

Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the function of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis by translating messenger RNA (mRNA) into polypeptides.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll absorbs light energy, primarily from the sun, which is used to convert carbon dioxide and water into glucose and oxygen.

Front

What is a frameshift mutation?

Back

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

Front

What is the primary function of the cell membrane?

Back

The cell membrane regulates what enters and exits the cell, providing protection and structural support.