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1. The entire region between the nucleus and the plasma membrane is called the
a. nucleoid
b. intracellular matrix
c. plasma membrane
d. cytoplasm
2. Agranular ER and granular ER are different because
a. Agranular ER has ribosomes attached and granular ER does not
b. Agranular ER has no ribosomes attached and granular ER does
c. Agranular ER has mitochondria attached and granular ER does not
d. Agranular ER has no mitochondria attached and granular ER does
4) The internal skeleton of a cell is composed of
a. microtubules, intermediate filaments, and microfilaments b. cellulose and intermediate filaments
c. cellulose, microtubules, and centrioles
d. microfilaments
e. microfilaments and cellulose
4. Cells are held together and communicate by
a. cilia b. microtubules c. extracellular matrix
d. peroxisomes
5. Cilia consist of a few long hair like projections.
a. true b. false
6. Tight junctions are
a. belts around cells that prevent leaks
c. junctions with continuous cytoplasm between cells
b. anchoring junctions
d. all of the above
7) The granular endoplasmic reticulum can be considered to be in which general category of organelle?
a. breakdown
b. energy-processing
c. manufacturing d. support between cells e. communication
8) Mitochondria and chloroplasts have several common features; for example
a. both are capable of semiautonomous growth and reproduction
b. neither are components of the endomembrane system
c. each contain a small amount of DNA
d. each organelle synthesizes some of it own protein
e. all of the above
9) Which of the following is NOT of function of membrane proteins?
a. attach to cytoskeleton
b. receptors for chemical reactions
c. channels to move substance across membrane
d. those with short sugar chain form identification tags that are recognized by other cells.
e. carry out steps in cellular respiration
10. Which structure is the site of protein synthesis?
a. Rough ER
b. Lysosomes c. Golgi vesicles
d. Ribosomes
e. Both a and d
11. Which of the following pairs is mismatched?
a. Nucleus – DNA replication
b. Lysomsome - packaging center
c. Cell membrane – lipid bilayer
d. Cytoskeleton – microbubules
e. Mitochondria – ATP production
12. Organelles that contain DNA include:
a. Ribosomes
b. Mitochondria
d. only b and c are correct
e. a, b and c are correct
c. Chloroplasts
13. The Golgi apparatus is composed of:
a. multiple stacks of flat membranes
b. individual vesicles
d. lysosomes
e. microtubules and microfillaments
c. a double membrane
14. Desmosomes in animal cells are similar to what in plant cells?
a. middle lamella
b. plasmodesmata
c. pectins
d. tonoplasts
e. leucoplasts
15. All of the following are characteristics of monocots except
a. parallel venation
b. tap root system
c. vascular bundles complexly arranged
parts in multiples of 3
d. floral
16. All of the following are parts of a leaf except
a. blade b. petiole
c. sepal d. all of the above are parts of a leaf
17. A compound leaf
a. has more than one function
b. consists of divided leaflets
c. is in an atypical spot on the plant
d. consists of leaflets
18. Root hairs are an extension of
a. dermal tissue cells
b. vascular tissue cells
c. ground tissue cells
d. root hairs are not extensions of a cell; they are cells
19. Tracheids and vessel elements are both cells found in
a. xylem tissue b. phloem tissue c. ground tissue d. protoplast tissue
20. In ________ tracheids are specialized into two cell types
a. angiosperms b. fungi c. gymnosperms d. all of the above
21. Sieve-tube member cells have no_______ and therefore need companion cells
a. mitochondria b. chloroplasts c. Endoplasmic reticulum
d. nucleus
22. Ground tissue cells include
a. parenchyma cells
b. collenchyma cells
c. sclerenchyma cells d. all of the above
23. In ________ the vascular bundles are arranged in a ring and the _________ is on the inside of the ring.
a. dicots, pith
b. dicots, cortex c. monocots, pith
d. monocots, cortex
24. Collenchyma are
a. typical plant cells
b. specialized for support c. are found in growing tissues
25. Dynein is an important protein that functions in what?
a. absorption of nutrients from the intestines
b. cell recognition
d. anchoring of the cilia
e. cell to cell communication
26. Which of the following cell structures is found only in plants:
a. lysosomes
b. plastids
c. gap junctions d. vacuoles
d. all of the above
c. tubule movement
e. flagella
27. Where can microvilli be found?
a. the cell wall surface
b. sperm
c. the intestines
d. the mitochondria
e. the Golgi apparatus
1. d
13. a
25. c
2. b
14. b
26. b
3. a
15. b
27. c
4. a
16. c
5. b
17. d
6. a
18. a
7. c
19. a
8. e
20c
9. e
21. d
10. d
22. d
11. b
23. a
12. d
24. c