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U1: Biology Review

Total questions: 41

Worksheet time: 21mins

Name
Class
Date
1.

main component of cell membrane?

a)

lipids

b)

carbs

c)

nucleic acids

d)

proteins

2.

1 glycerol + 3 fatty acid tails

a)

triglyceride

b)

phospholipid

c)

steroid

3.

1 glycerol + 1 phosphate + 2 fatty acid tails

a)

triglyceride

b)

phospholipid

c)

steroid

4.

4 fused carbon rings

a)

triglyceride

b)

phospholipid

c)

steroid

5.

LDL cholesterol

a)

good - helps make other steroids

b)

bad - builds up and blocks blood vessels

6.

HDL cholesterol

a)

good - helps make other steroids

b)

bad - builds up and blocks blood vessels

7.

cholesterol

a)

triglyceride

b)

phospholipid

c)

steroid

8.

monosaccharide sugar present in RNA?

a)

ribose

b)

deoxyribose

c)

glucose

d)

fructose

9.

start codon (methionine)

a)

AUG

b)

UAG

c)

UGA

d)

UAA

10.

stop codons

a)

AUG

b)

UAG

c)

UGA

d)

UAA

11.

fatty acid tail that has the max amount of hydrogens

a)

saturated fat

b)

unsaturated fat

12.

fatty acid tail that is missing hydrogens so it has a double bond (=) present

a)

saturated

b)

unsaturated

13.

breakdown of proteins due to exposure to abnormal temperature, pH, radiation, chemicals, etc.

a)

denaturing

b)

maturing

c)

digesting

d)

restructuring

14.

break down of larger molecules into smaller molecules to release energy

a)

catabolism

b)

anabolism

15.

using energy to build larger molecules by combining smaller molecules

a)

catabolism

b)

anabolism

16.

NOT present in RNA

a)

thymine

b)

adenine

c)

cytosine

d)

guanine

17.

enzymes _____ reactions

a)

speed up

b)

slow down

18.

enzymes _____ activation energy

a)

raise

b)

lower

c)

do not affect

19.

cell organelle that digests cellular debris

a)

lysosome

b)

cell membrane

c)

golgi apparatus

d)

ribosome

20.

cell organelle that is a spherical structure that contains genetic info

a)

nucleus

b)

cell membrane

c)

vesicle

d)

ribosome

21.

cell organelle that helps with storage and transport

a)

ER

b)

golgi apparatus

c)

vesicle

d)

ribosome

22.

cell organelle that produces ATP

a)

nucleus

b)

golgi apparatus

c)

mitochondria

d)

ribosome

23.

cell organelle that is the site of protein synthesis

a)

nucleus

b)

golgi apparatus

c)

mitochondria

d)

ribosome

24.

outer layer of cell that controls what enters & leaves the cell because it is selectively permeable

a)

cell membrane

b)

nucleus

c)

golgi apparatus

d)

endoplasmic reticulum

25.

cells spend most of their time in this phase

a)

interphase

b)

prophase

c)

metaphase

d)

telophase

26.

cytoplasm splits into two separate cells

a)

cytokinesis

b)

telophase

c)

metaphase

d)

anaphase

27.

prepare phase where chromosomes condense

a)

prophase

b)

anaphase

c)

metaphase

d)

telophase

28.

chromosomes line up in the middle

a)

prophase

b)

anaphase

c)

metaphase

d)

telophase

29.

chromosomes are pulled away to opposite sides of the cell

a)

prophase

b)

anaphase

c)

metaphase

d)

telophase

30.

two new nuclei form

a)

prophase

b)

anaphase

c)

metaphase

d)

telophase

31.

somatic cells (body cells)

a)

mitosis

b)

meiosis

32.

gametes (reproductive cells)

a)

mitosis

b)

meiosis

33.

2 diploid daughter cells (46 chromosomes each)

a)

mitosis

b)

meiosis

34.

4 haploid daughter cells (23 chromosomes each)

a)

mitosis

b)

meiosis

35.

cell organelle that makes hormones & lipids, helps detox the cell, and stores Ca2+

a)

smooth ER

b)

rough ER

c)

nucleus

d)

ribosome

36.

cell organelle that helps process and package proteins

a)

golgi apparatus

b)

smooth ER

c)

nucleus

d)

ribosome

37.

major macromolecule that is best for short term energy

a)

carbohydrate

b)

lipid

c)

protein

d)

nucleic acid

38.

specific lipid that is best for long term energy

a)

triglyceride

b)

phospholipid

c)

steroid

d)

lipids are best for short term energy

39.

which major macromolecule is an enzyme?

a)

protein

b)

carbohydrate

c)

nucleic acid

d)

lipid

40.

building block (monomer) of proteins?

a)

amino acids

b)

lipids

c)

monosaccarides

d)

steroids

41.

substrates are used and changed during reactions but enzymes are not so they can be reused

a)

true

b)

false