AP Biology Mid-Term Exam Review 2023-24

Front

What is the approximate sucrose concentration in the potato core?

Back

.30 M

Front

Which process is occurring between 8 pm and 6 am?

Back

Cellular respiration only

Front

How many layers of phospholipids are in a cell membrane?

Back

two

Front

Which part of this phospholipid is hydrophobic?

Back

fatty lipid tails

Front

If a plant cell’s ΨP=3.2 bars and its ΨS=-4.3 bars, what is the resulting Ψ?

Back

-1.1

Front

Define osmosis.

Back

The movement of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What is the role of ATP in cellular processes?

Back

ATP serves as the primary energy currency of the cell, providing energy for various biochemical reactions.

Front

Explain the difference between prokaryotic and eukaryotic cells.

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.

Front

What is the function of the cell membrane?

Back

The cell membrane regulates the movement of substances in and out of the cell and provides protection and structure.

Front

What is the significance of the fluid mosaic model?

Back

It describes the structure of the cell membrane as a mosaic of various proteins that float in or on the fluid lipid bilayer.