AP Biology: Chapter 4 Review

All cells have three things in common: ____

• Cytoplasm, DNA, and organelles with membranes

• A plasma membrane, DNA, and a nucleus

• Cytoplasm, DNA, and a plasma membrane

• A cell wall, cytoplasm, and DNA

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

The surface-to-volume ratio _____

• does not apply to prokaryotic cells

• constrains cell size

• is part of the cell theory

A plasma membrane _____.

• controls exchange between the cell and the external environment

• is a mesh of intermediate filaments

• is a type of extracellular matrix

True or false? Ribosomes are only found in eukaryotes

• true

• false

Unlike eukaryotic cells, prokaryotic cells _____.

• have no nucleus

• have RNA but not DNA

• have no ribosomes

• no nucleus and no ribosomes

What controls the passage of molecules into and out of the nucleus?

• endoplasmic reticulum, an extension of the nucleus

• nuclear pores, which consist of membrane proteins

• nucleoli, in which ribosome subunits are made

• dynamically assembled mircotubules

• tight junctions

Enzymes contained in _____ break down worn out organelles, bacteria, and other particles

• lysosomes

• amyloplasts

• endoplastic reticulum

• peroxisomes

Put the following structures in order according to the pathway of a secreted protein:

1. plasma membrane
2. golgi bodies
3. endoplasmic reticulum
4. post-golgi vesicles

• 3, 2, 4, 1

• 1, 2, 3, 4

• 4, 3, 2, 1

• 2, 3, 4, 1

Tags

NGSS.HS-LS1-2

Cell junctions called ______ connect the cytoplasm of adjacent plant cells

• plasmodesmata

• adhering junctions

• tight junctions

• adhesion proteins

• gap junctions

No animal cell has a ____

• plasma membrane

• flagellum

• lysosome

• cell wall