Blood Glucose Strips

Drama Queen asked:


1. Which of the following does NOT describe a polymer?
(1 point)
Polymers are made of monomers.

Polymers are large molecules.

Polymers usually form by covalent bonding.

Polymers are broken down by the process of hydrogenation.

2. How many electrons can a carbon atom share?
(1 point)
one
two
three
four
3. Which of the following is a chemical reaction?
(1 point)
tearing paper into strips

burning paper

picking up iron filings with a magnet

mixing salt and sugar in the same container

4. Carbon-12, carbon-13, and carbon-14 are _____.
(1 point)
isotopes

polymers

radioisotopes

macromolecules

5. Unlike carbohydrates and fats, proteins contain _____.
(1 point)
nitrogen

carbon

hydrogen

oxygen

6. Diffusion continues until there is no _____.
(1 point)
dynamic equilibrium

turgor pressure

concentration gradient

homeostasis

7. Each of the following is a main idea of the cell theory except _____.
(1 point)
all organisms are composed of cells

the cell is the basic unit of organization of organisms

all cells are similar in structure and function

all cells come from preexisting cells

8. In a chloroplast, the stacks of membranous sacs are called _____.
(1 point)
stroma

grana

grana

thylakoid membrane

9. The fluid mosaic model describes a structure with ____.
(1 point)
polar layers on the outside and nonpolar layer on the inside

nonpolar layers on the outside and a polar layer on the inside

polar layers on both inside and outside

nonpolar layers on both inside and outside

Figure 7-6
10. Which structure in Figure 7-6 is the cell control center?
(1 point)
A
G
I
M
11. Which structure in Figure 7-6 maintains homeostasis?
(1 point)
B
D
H
L
12. If cells are placed in a strong sugar solution, water will _____.
(1 point)
pass from the sugar solution to the cells

pass from the cells to the sugar solution

stay in the cell

pass back and forth

13. If the sides of a cell double in length, its volume increases by _____ times.
(1 point)
two
four
six
eight
14. Among the following, the term that includes the others is _____.
(1 point)
interphase

nuclear division

mitosis

cell cycle

15. Unlike plant cells, animal cells contain _____.
(1 point)
cell walls

centrioles

nucleoli

spindles

Figure 8-5

16. What cell process is responsible for the effect shown in Figure 8-5?

(1 point)
active transport

passive transport

facilitated diffusion

osmosis

17. Chlorophyll traps _____ from sunlight.
(1 point)
oxygen

energy

hydrogen

glucose

18. Energy is released from ATP when the bond is broken between _____.
(1 point)
two phosphate groups

adenine and ribose

ribose and a phosphate group

adenine and a phosphate group

19. In respiration, the final electron acceptor in the electron transport chain is _____.
(1 point)
oxygen

ATP

hydrogen ions

H2O

20. Kidneys use energy to move molecules and ions in order to keep the blood chemically balanced. This process is an example of cells using energy to _____.
(1 point)
carry on chemosynthesis

transmit impulses

control body temperature

maintain homeostasis

21. Why is the polar property of water important?
(3 points)

22. What is the difference between an electron microscope and a compound microscope?
(3 points)

Figure 8-2
23. The graph in Figure 8-2 shows typical concentrations of several ions inside and outside an animal cell. Concentrations of ions inside the cell are shown in gray, outside in black. Describe the process by which the cell maintains differences in concentration of certain ions inside and outside the cell.
(3 points)

24. Compare and contrast the terms photosynthesis and cellularrespiration.
(5 points)

KAIKURA