Question

Need help with these questions:

1) Surface area is an important factor in limiting cell growth because
A) Waste products cannot leave the cell if it is too small
B) The cell my become too large to take in enough food and to remove wastes
C) Materials cannot enter the cell if it is too large
D) The cell can burst if the membrane becomes too large

2) Microfilaments, microtubules, and intermediate fibers are three kinds of cytoskeleton
A) Membranes
B) Organelles
C) DNA
D) Protein Fibers

3) Which of the following is a form of active transport?
A) Osmosis
B) Facilitated Diffusion
C) Sodium-Potassium Pump
D) Simple Diffusion

4) Which of the following is true of both DNA and some proteins?
A) Made in nucleus
B) Made in ribosomes
C) Must be kept separate from nucleus
D) Must be kept separate from cytoplasm

5) Which of the following is an example of applied science?
A) Investigating the mechanics of the human shoulder
B) Investigating the causes of cancer
C) Investigating the action of a new drug
D) Mapping the human genome

6) Which of the following statements about colonial organisms is correct?
A) They can survive when separated
B) They are multicellular
C) They are a collection of different kinds of cells
D) Their cell activities are integrated

7) The organelle that moves proteins and other substances through the cell is the
A) Cytoplasm
B) Mitochondrion
C) Golgi Apparatus
D) Endoplasmic Reticulum

8) Which of the following statements about prokaryotes is correct?
A) They have a nucleus
B) Their evolution preceded that of eukaryotes
C) They are multicellular organisms
D) The organelles in their cytoplasm are surrounded by membranes

Answer 1

1C. the cell may become too large to take in enough food and to remove enough wastes.