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BIO 211: TEST I Multiple-Choice Questions. Oaly one answer is correct. I. Which

ID: 99994 • Letter: B

Question

BIO 211: TEST I Multiple-Choice Questions. Oaly one answer is correct. I. Which is the smallest unit of life that can exist as a separate entity? 2. The chemical processes in the living cell are collectively called 3. Organisms designated producers obtain their energy from 4. About 12 to 24 hours after the last meal, a person's blood sugar level normally varies from 60 to 90 milligrams per a a cell metabolism a other producers . dead consumers decomposers. d. the sun.all of the above. 100 milliliters of blood, although it may rise to 130 mg/100 ml after meals high in carbohydrates. That the blood sugar level is maintained within a fairly narrow range despite uneven intake of sugar is due to the body's ability to carry out a adaptation.b. inheritance . metabolism. d. homeostasis, e. all of the above 5. A mutation is a change in a. homeostasis 6 our of the five answers listed below are necessary characteristics to the life of an individual 7· One portion of the cell theory states that b. the developmental pattern in an organism emetabolism e. the life cycle of an organism. are necessary characteristics to the life of an individual. Select the exception. a all cells have a nucleus. b. all cells divide by meiosis. c all living d. cells arise through spontaneous generation e. growth is solely the result of cell division. are made up of cells. The phospholipid molecules of most membranes have a. a hydrophobic head and a hydrophilic tail. b. a hydrophobic head and a hydrophobic tail. 8. c. a hydrophobic head and two bydrophobic tails d a hydrophilic head and two h e. none of the above tails These are the primary cellular sites for the recapture of energy from carbohydrates. a. Golgi bodies 9. b. ribosomes c. mitochondria d. lysosomes d. lysosomes e. endoplasmic reticula d. Golgi body e. microtubules e. endoplasmic reticula 10. These are the primary structures for the packaging of cellular secretions for export from the cell. a. Golgi bodies b. ribosomes c. mitochondria I1. What cell organelle is found in plant cells but NOT in animal cells? a. nucleoplasm b. cell wall c. plasma membrane Which are examples of prokaryotes? Which components of an atom do not have a charge? Radioactive isotopes have 12. Moses 13. b. protons d. both a and b e. both b and c c. neutrons 14. b. excess protons. d. insufficient neutrons. e. insufficient protons Amino acids are the building blocks for a proteins. b. steroids.c lipids. d. nucleic acids. 15.

Explanation / Answer

1)a.a cell

it is the smallest structural and functional unit of living organisms.

2)e.metabolism

It's all of the chemical processes combined in living organisms...

3)d.the sun

4)d.homeostasis

5)d.hereditary instruction/dna

6)e. diversity

7)c.All living organisms are made up of one or more cells.

8)d. A hydrophilic head and two hydrophobic tails.

9)c.mitochondria

10)a. Golgi bodies

11)b.cell wall

12)b.bacteria

13)c. neutrons

14)c.excess neutrons

15)a.proteins

16)

17)a.starch

18)a.animals

19)d.ATP

20)c.cellulose

21)d.protons only

22)c.neutrons

23)a.Hydrogen, oxygen, carbon

24)e.water

25)e.all of these

26)d.produces salts

27)b.o2

28)c.pokaryotic cells do ot have a nucleus but eukaryotic cells have a membrane bound nucleus.

29)c.plant store food as glycogen and animals cell store food as starch

30)c.lipids