Cellular Biology

Question 1

Cell wherein

• DNA confined in a region not enclosed by a membrane known as nucleon region
• No organelles
• w/o nucleus
• smaller in size

Answer 1

Prokaryotic cell

Question 2

Cell wherein

• DNA is confined in a nucleus that has a double membrane
• contains membrane-bound organelles
• w/ a nucleus
• larger in size

Answer 2

Eukaryotic cell

Question 3

Contains the genes; regulates all cellular process; commands center of the cell

Answer 3

Nucleus

Question 4

regulates protein synthesis

Answer 4

Ribosomes

Question 5

Synthesis of lipids; metabolism of carbohydrates; detoxification of drugs and poisons

Answer 5

Smooth endoplasmic reticulum

Question 6

Modifies, stores and send proteins to its specific destinations

Answer 6

Golgi Apparatus

Question 7

Digest macromolecules and cellular respiration by-product by the action of hydrolytic enzymes

Answer 7

Lysosomes

Question 8

Sites of cellular respiration; generates ATP by extracting it from sugar, fats and other energy sources using oxygen

Answer 8

Mitocondria

Question 9

Site of photosynthesis; converts solar energy to chemical energy by the absorption of light to trigger the formation of organic compounds such as sugars and carbohydrates

Answer 9

Chloroplast

Question 10

Breaks fatty acid into smaller molecules; detoxifies alcohol and other harmful substance by transferring hydrogen to poison to oxygen

Answer 10

Peroxisomes

Question 11

Maintains the stability and shape of the cell; serves as the traffic way of vesicles and organelles in the cell

Answer 11

Cytoskeleton

Question 12

Protects the plant cell, maintains its shape and prevents excessive water uptake

Answer 12

Cell wall

Question 13

Channels that links cells for cell-to-cell communication

Answer 13

Plasmodesmata

Question 14

Forms spindle fibers during cell division

Answer 14

Centrioles

Question 15

Serves as the storage of waste products in plant cells; site of breakdown of wastes by hydrolysis

Answer 15

Central vacuole

Question 16

Accounts for almost 90% of the cell cycle is subdivided into three parts

Answer 16

Interphase

Question 17

Newly produced cells in the M phase grows by imbibing water and producing more proteins in anticipation for DNA synthesis

Answer 17

G1 Phase

Question 18

Cell doubles the number of chromosomes by DNA replication

Answer 18

S phase

Question 19

Cell grows further and checks for errors that maybe present in the duplicated chromosomes in preparation for cell division

Answer 19

G2 Phase

Question 20

The phase where the cell undergoes meiosis to mitosis

Answer 20

M Phase