Parts of the Cell

Question 1

What do you call the rigid framework of polysaccharide cross-linked by short peptide chains?

Answer 1

peptidoglycans

Question 2

What feature of a prokaryotic cell functions as mechanical support, shape, and protection against swelling in hypotonic media? This is a porous nonselective barrier that allows most small molecules to pass.

Answer 2

Cell wall

Question 3

What feature of the prokaryotic cell is a highly selective permeable barrier that controls the entry of most substances in the cell?

(lahat ng cell meron nito afaik, not just prokaryotes)

Answer 3

cell membrane

Question 4

where can you find the DNA of prokaryotic cells?

Answer 4

Nucleoid

Question 5

sites of protein synthesis for prokaryotic cells

Answer 5

Ribosomes

Question 6

Each ribosome in a prokaryotic cell is composed of a small and a large subunit with a size of?

Answer 6

30s & 50s

30 svedberg = small subunit; 50 svedberg = large subunit

Question 7

Prokaryotic cell feature wherein when needed as metabolic fuel, monomer units of the polymer are liberated and degraded by energy-yielding pathways in the cell

Answer 7

storage granules

Question 8

Prokaryotic cell feature that is the site of intermediary metabolism, the interconnecting sets of chemical reactions by which cells generate energy.

Answer 8

Cytosol

Question 9

Feature of an Animal cell where it is cell-specific and has a multitude of functions including:
1. cell-cell comms & recognition
2. cell adhesion
3. protective outer layer

Answer 9

Extracellular matrix

Question 10

The ____ is a selectively permeable outer boundary of the cell which is used for the exchange of materials with the environment and the reception of extracellular information.

Answer 10

Plasma membrane

or cell membrane

Question 11

Where the DNA is found in eukaryotes. Separated from the cytosol by the nuclear envelope (double membrane).

Answer 11

Nucleus

Question 12

This organelle in an animal cell is a labyrinthine organelle where both proteins and lipids are organized.

Answer 12

Endoplasmic Reticulum

Question 13

ER that has no ribosomes attached and is responsible for lipid synthesis?

Answer 13

Smooth Endoplasmic Reticulum

Question 14

ER that has ribosomes attached and responsible for protein-making?

Answer 14

Rough Endoplasmic Reticulum

Question 15

this organelle is involved in the packaging and processing of macromolecules for secretion and delivery to other cellular compartments.

Answer 15

Golgi Apparatus

Question 16

Powerhouse of eukaryotes. Energy stored is in the form of ATP

Answer 16

Mitochondria

Question 17

These function in intracellular digestion of materials entering the cell via phagocytosis or pinocytosis. m

Answer 17

Lysosomes

Question 18

Feature of animal cells that act to oxidize certain nutrients to form potentially toxic hydrogen peroxide (H₂O₂) and then decompose it to H₂O and O₂ by way of the peroxide-cleaving enzyme catalase

Answer 18

Peroxisomes

Question 19

plant cell feature where photosynthesis occurs?

Answer 19

Chloroplasts

Question 20

If chloroplasts are the main source of energy during the day, what abt during nighttime?

Answer 20

Mitochondria naman

Question 21

Plant cell feature that functions as the cell’s transport and storage system for both nutrients and waste products.

Answer 21

Vacuole

Accumulation of water = vacuole allows the plant cell to grow dramatically in size with no increase in cytoplasmic volume