Unit 2-S Review 2024-25

Front

What is the primary function of ribosomes in cells?

Back

Ribosomes are responsible for protein synthesis, often with the assistance of the Rough Endoplasmic Reticulum.

Front

What is the main difference between cell membranes and cell walls?

Back

Cell membranes are flexible structures that regulate the movement of substances in and out of the cell, while cell walls are rigid structures that provide support and protection.

Front

What happens to frog eggs when placed in saltwater?

Back

Water will leave the frog eggs, causing them to potentially dehydrate.

Front

What are two key traits of conifers?

Back

Conifers have vascular tissue and produce seeds.

Front

Why do some people consider viruses to be living organisms?

Back

Viruses contain genetic material and have the ability to evolve over time.

Front

What role does the Rough Endoplasmic Reticulum play in protein synthesis?

Back

The Rough Endoplasmic Reticulum assists ribosomes in synthesizing proteins by providing a site for translation and folding.

Front

What is the composition of a cell membrane?

Back

Cell membranes are primarily composed of a phospholipid bilayer, proteins, cholesterol, and carbohydrates.

Front

How do cell walls differ in plant cells compared to bacterial cells?

Back

Plant cell walls are primarily made of cellulose, while bacterial cell walls are made of peptidoglycan.

Front

What is osmosis and how does it relate to frog eggs in saltwater?

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, which explains why water leaves frog eggs in saltwater.

Front

What are vascular tissues and what is their function in plants?

Back

Vascular tissues, including xylem and phloem, are responsible for the transport of water, nutrients, and food throughout the plant.