NAS 2 Challenge Exam TCC 2024/2025
Exam Questions and Answers | 100%
Solved
Nucleus - 🧠ANSWER ✔✔brain of the cell, directs cell activity and contains
chromosomes made of DNA
Endoplasmic Reticulum - 🧠ANSWER ✔✔"intracellular highway", transports
items around the cell, creates lipids of fat
Lysosome - 🧠ANSWER ✔✔An organelle containing digestive enzymes
Cytoplasm - 🧠ANSWER ✔✔A jellylike fluid inside the cell in which the
organelles are suspended
golgi apparatus - 🧠ANSWER ✔✔A system of membranes that modifies and
packages proteins for export by the cell
ribosomes - 🧠ANSWER ✔✔site of protein synthesis
mitochondria - 🧠ANSWER ✔✔Powerhouse of the cell, organelle that is the
site of ATP (energy) production
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
, cell membrane function - 🧠ANSWER ✔✔1) keep toxic substances out of
cell
2) has receptors that allow molecules to pass between organelles
3) separate vital/incompatible metabolic processes in organelles
concentration gradient - 🧠ANSWER ✔✔difference in the concentration of a
substance from one location to another
simple diffusion - 🧠ANSWER ✔✔hydrogen bonds form between water
molecules and solutes
facilitated diffusion - 🧠ANSWER ✔✔Movement of specific molecules across
cell membranes through protein channels
osmosis - 🧠ANSWER ✔✔Diffusion of water through a selectively
permeable membrane
active transport - 🧠ANSWER ✔✔the movement of ions or molecules across
a cell membrane into a region of higher concentration, assisted by
enzymes and requiring energy.
endocytosis - 🧠ANSWER ✔✔the taking in of matter by a living cell by
invagination of its membrane to form a vacuole.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Answers | 100%
Solved
Nucleus - 🧠ANSWER ✔✔brain of the cell, directs cell activity and contains
chromosomes made of DNA
Endoplasmic Reticulum - 🧠ANSWER ✔✔"intracellular highway", transports
items around the cell, creates lipids of fat
Lysosome - 🧠ANSWER ✔✔An organelle containing digestive enzymes
Cytoplasm - 🧠ANSWER ✔✔A jellylike fluid inside the cell in which the
organelles are suspended
golgi apparatus - 🧠ANSWER ✔✔A system of membranes that modifies and
packages proteins for export by the cell
ribosomes - 🧠ANSWER ✔✔site of protein synthesis
mitochondria - 🧠ANSWER ✔✔Powerhouse of the cell, organelle that is the
site of ATP (energy) production
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
, cell membrane function - 🧠ANSWER ✔✔1) keep toxic substances out of
cell
2) has receptors that allow molecules to pass between organelles
3) separate vital/incompatible metabolic processes in organelles
concentration gradient - 🧠ANSWER ✔✔difference in the concentration of a
substance from one location to another
simple diffusion - 🧠ANSWER ✔✔hydrogen bonds form between water
molecules and solutes
facilitated diffusion - 🧠ANSWER ✔✔Movement of specific molecules across
cell membranes through protein channels
osmosis - 🧠ANSWER ✔✔Diffusion of water through a selectively
permeable membrane
active transport - 🧠ANSWER ✔✔the movement of ions or molecules across
a cell membrane into a region of higher concentration, assisted by
enzymes and requiring energy.
endocytosis - 🧠ANSWER ✔✔the taking in of matter by a living cell by
invagination of its membrane to form a vacuole.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
