Unicellular and Multicellular Organisms

Question 1

Eukaryotic cell

Answer 1

• Genetic material located in the nucleus and organized into chromosomes
• long strand DNA wrapped around histone proteins
• experience mitosis and meiosis
• unicellular or multicellular

Question 2

Prokaryotic

Answer 2

• in the cytoplasm and organized into a single circular chromosome
• a long strand of DNA
• does not have membrane-bound organelles or nucleus
• binary fission
• cells are unicellular

Question 3

Unicellular

Answer 3

• single cell
• small in size and highly adaptable
• photosynthesis and protein synthesis

Question 4

multicellular

Answer 4

• millions of cells
• perform various functions (repository, digestion, movement, etc.)

Question 5

Cell wall

Answer 5

• rigid layer around the cell membrane
• provides support and protection
• parallel to plasma
• Cell Type: Plant

Question 6

Central Vacuole

Answer 6

• a large membrane-bound organelle that stores water, nutrients, and waste products
• structural support by maintaining tuor pressure
• Cell Type: Plant

Question 7

Centrioles

Answer 7

• small, cylindrical structures of microtubules arranged in a specific pattern
• play a role in cell division (organize spindle fiber that helps separate chromosomes)
• Cell Type: Animal

Question 8

Chloroplasts

Answer 8

• contains chlorophyll pigments that absorb light energy and convert it into chemical energy through photosynthesis
• Cell Type: Plant

Question 9

Cytoplasm

Answer 9

• gel-like substance within the cell memrbane (organic molecules and water)
• most cells’ metabolic activities take place
• Cell Type: All

Question 10

Encoplasmic reticulum

Answer 10

• a network of flattened, membrane-bound sacs and tubules in eukaryotic cells
• protein synthesis folding and transport
• Cell Type: All

Question 11

Flagella

Answer 11

• long whip-like appendages found on the surface of some cells
• used for locomotion by generating wavelike motion (propels cells back and forth through liquid or over a surface)
• Cell Type: All

Question 12

Golgi bodies

Answer 12

• organelles of stacks of flattened membrane-bound sacs
• modify, sort, and package proteins and lipids for transport to their final destination
• Cell Type: All

Question 13

Lysosomes

Answer 13

• membrane-bound organelles containing hydrolytic enzymes
• break down and recycle cellular waste materials
• Cell Type: All

Question 14

Mitochondria

Answer 14

• generate energy through cellular respiration by breaking down glucose and other nutrients using oxygen
• Cell Type: All

Question 15

Nucleus

Answer 15

• a specialized organelle found in eukaryitic cells
• contain gentic material organized into chromosomes and serves as the control center
• Cell Type: All

Question 16

Plasma Membrane

Answer 16

• thin, semi permeable membrane that surrounds and encloses the cytoplasm of a cell
• regulating the entry and exit of substances to maintain cellular homeostasis
• Cell Type: All

Question 17

RIbosomes

Answer 17

• small complex molecular machines responsible for synthesizing proteins within cells by translating genetic information into specific sequences of amino acids
• Cell Type: All

Question 18

1. Obtain a microscope from the designated storage location and transfer it to a workstation. The experimenter should remove the microscope from

Answer 18

Leveld shelf and carry with one hand controlling the arm for control and one hand support the base

Question 19

2. Obtain a sample of designated bacteria and transfer pipette for each bacterium should be used to

Answer 19

Prevent cross contamination

Question 20

3. Olace a small drop of the bacteria on the side followed by a cover slip. The coverslip should be placed at

Answer 20

An angled to prevent an air bubble

Question 21

Draw bacteria as they appear under the microscope of

Answer 21

40X

Question 22

Slides and Coverslips must be disposed of

Answer 22

In the red sharps container