Science7: Cells- the Basic Unit of Life (Ch

Science7: Cells- The Basic Unit of Life (Ch. 4)

Name: Date: Period:

I.Using Science Skills

For items 1-8, use the diagram of the ANIMAL CELL below to identify the

parts of the cell from the list provided. Fill in the correct letter or letters on your scantron. If the answer is “a” fill in “a”, if the answer is “ab” fill in “a” and “b” on the SAME line!

a. Nucleus
b. Rough Endoplasmic Reticulum
c. Smooth Endoplasmic Reticulum
d. Nucleolus
e. Ribosomes
ab. Nuclear Membrane
ac. Golgi complex
ad. Chromosomes
ae. Cell membrane
bd. Lysosome
be. Mitochondria
cd. Cytoplasm

II.Match each word with its definition

Fill in the letter of the correct answer on the scantron.

9. CellA. Deoxyribonucleic acid is the genetic material that carries

information.

10. DNAB. The basic unit of structure and function in all living

things.

11. Golgi bodyC. The energy source of the cell; provides ATP.

12. Cell wallD. Provides strength and protection to a plant cell.

13. NucleusE. Carries materials from one part of the cell to the other

through a maze like structure.

14. MitochondriaAB. Parts of a cell that perform a function.

15. ChloroplastAC. The control center of the cell. The Brain

16. ChromatinAD. The cell’s “mailroom”. Packages and distributes

materials throughout the cell.

17. Endoplasmic reticulumAE. Carries the genetic material and forms chromosomes.

18. OrganelleBC. Provides green color to a plant

III. Multiple Choice

Fill in the letter of the correct answer on the scantron.

1. The smallest structural and functional unit of all living things is a(n)
2. Atomc. nucleus
3. Organelled. cell
4. Where do cells come from?
5. Organellesc. animacules
6. other cellsd. blood
7. Plant cells are supported by a rigid structure that surrounds the cell membrane called a
8. Golgi complexc. cell wall
9. Cytoskeletond. ribosome
10. In plant and bacterial cells, photosynthesis takes place in
11. Chlorophyllc. ribosomes
12. Chloroplastsd. the nucleus
13. The protective barrier surrounding the animal cell, which protects its contents from the cell’s environment, is the
14. Cytoskeletonc. cell membrane
15. cell walld. central vacuole
16. In plants, the vesicle that stores water and liquids and helps support the cell is called the
17. large central vacuolec. large central vesicle
18. endoplasmic reticulumd. lysosome
19. A group of cells working together to perform the same function makes up a(n)
20. organism c. tissue
21. organ systemd. structure
22. An organ consists of
23. two or more tissuesc. two or more systems
24. a group of cellsd. nerve and muscles
25. DNA is found in what structure in the nucleus?
26. Chromatinc. centromere
27. Chromosomed. nucleolus
28. Chromosomes are made up of what?
29. one chromatin and one centromere
30. one chromatin and two centromeres
31. two chromatins and one centromere
32. two chromatins and two centromeres
33. An organ system has
34. only one kind of tissuec. two or more organs
35. two or more functionsd. only one type of cell
36. How many cells are needed for a unicellular organism to perform all necessary life functions?
37. Onec. thousands
38. Twod. trillions
39. The activity a cell performs is its
40. Structurec. function
41. Systemd. differentiation

1. The parts of an organism are arranged in a(n)
2. Structurec. function
3. Systemd. organ
4. According to the cell theory, what makes up all living things?
5. only one cellc. more than one cell
6. one or more cellsd. a system of cells
7. Where is DNA stored in the eukaryotic cell?
8. in the cytoplasmc. in the ribosome
9. in the nucleusd. in the lysosome
10. The fluid inside every cell, and almost all of the cells contents, is called the
11. Nucleusc. organelles
12. Membraned. cytoplasm
13. According to the cell theory
14. most organisms are made up of cells
15. some cells are not in an organism
16. cells come from existing cells
17. only animals are made up of cells
18. A cell with a membrane-bound nucleus is
19. Unicellularc. prokaryotic
20. Multicellulard. eukaryotic
21. A eukaryotic cells ability to differentiate to become specialized cells helps tissues, organs, and systems
22. grow large in sizec. work more efficiently
23. produce larger cellsd. stay healthy
24. Prokaryotes are different from eukaryotes because they contain
25. no nucleus and a flagellum
26. a nucleus and a flagellum
27. no nucleus and a cell wall
28. a nucleus and a flagellum
29. Proteins are made from amino acids in the smallest organelle, which is called a(n)
30. Mitochondriac. ribosome
31. Lysosomed. chloroplast
32. A network of protein in the cytoplasm of some cells, which defines the shape of animal cells, is called the
33. Cell wallc. Golgi complex
34. Cytoskeletond. nucleus
35. The plant organelle where photosynthesis occurs is a(n)
36. Mitochondriac. ribosome
37. Lysosomed. chloroplast
38. Digestive enzymes are released, that destroy worn-out organelles and get rid of waste materials from the
39. Cytoskeletonc. ribosome
40. Lysosomed. Golgi complex
41. In prokaryotic cells, DNA is stored in the
42. cytoplasmc. Golgi complex
43. cytoskeletond. nucleus

1. A group of organs with a specific job inside the body are called a(n)
2. Organismc. cell
3. Organd. organ system
4. Maze like structure that contains ribosomes is called the
5. Rough endoplasmic reticulum
6. Smooth endoplasmic reticulum
7. Rough Golgi complex
8. Smooth Golgi complex
9. The nucleus is surrounded by
10. The cell membranec. The endoplasmic reticulum
11. The nuclear membraned. The Golgi complex
12. Which organelle is NOT found in the plant cell?
13. Cell wallc. mitochondria
14. Lysosomed. vacuole
15. Which organelle is NOT found in the animal cell?
16. Cell membranec. Golgi complex
17. Nucleusd. chloroplast
18. The nucleolus contains
19. Ribosomesc. nucleic acid
20. Chromosomed. DNA

EXTRA CREDIT – 3 Points

Identify the parts of the PLANT CELL.

1. cell wall
2. chloroplast
3. nucleus
4. endoplasmic reticulum
5. Golgi complex

ab. Cell membrane

ac. Cytoplasm

ad. Mitochondria

GOOD LUCK 