Module 2 Review answers PDF

Preview

Summary

Module 2 Review answers...

Description

Module 2 Review Matching Match the terms below with their correct definition. Write the letter of the correct match next to the term. 1) Active Transport

_G___

A. a solution that is less concentrated than the fluid within the cell

2) Osmosis

_F___

3) Isotonic

_E___

B. force exerted on a membrane which accounts for the change in a cell shape C. the process by which a cell takes in products

4) Diffusion

_H___

5) Semi-permeable

_I___

6) Hypotonic

_A___

7) Hypertonic

_D___

8) Facilitated Transport

_J___

9) Endocytosis

_C___

10) Exocytosis

_K___

11) Osmotic Pressure

_B___

D. a solution that has a higher concentration of molecules than the fluid within the cell E. a solution that has the same concentration of molecules as the fluids within the cell F. the process by which water molecules diffuse through the cell membrane G. the process by which the cell uses energy to move substances across the membrane H. the movement of molecules from a region of higher concentration to a region of lower concentration I. allows passage of some substances but prevents the passage of others J. the process by which specialized molecules are required to transport molecules through the membrane K. a means of transporting products outside of the cell

Multiple Choice 1) Which structure contains the majority of genetic information within the cell? A. nucleus B. nucleolus C. lysosome D. plasma membrane 2) The plasma membrane is composed of: A. cellulose B. cellulose and protein C. lipid only D. phospholipids and protein 3) The assisted transport of a molecule across the cell membrane WITHOUT expenditure of energy is: A. diffusion B. facilitated transport C. active transport D. None of the choices are correct.

Fill in the table below: Cell Structure Plasma Membrane

Location External boundary of the cell

Function Confines cell contents; regulates entry and exit of materials Digests molecules and cell parts

Lysosomes

In cytoplasm

Mitochondria Golgi apparatus

Scattered throughout the cell In cytoplasm

Control release of energy from foods; form ATP Process, package and secrete products

nucleus

In cytoplasm

Contains genetic information in the form of DNA, houses the nucleolus

Centrioles

2 rod-shaped bodies near the nucleus

Nucleolus

In nucleus

Direct formation of the mitotic spindle (organization of cell during cell division) Makes rRNA to form ribosomes

Smooth ER

In cytoplasm

Makes phospholipids and vesicles

Rough ER

In cytoplasm

Protein synthesis and modification

ribosomes

Synthesize proteins

chromatin

Attached to endoplasmic reticulum or scattered in the cytoplasm In nucleus

Peroxisomes

In the cytoplasm

Packages DNA into a smaller volume to fit in the cell Involved in detoxifying substances like alcohol and other harmful byproducts from metabolism...