NAS 2 Challenge Exam TCC with all Correct & 100%
Verified Answers |Already Graded A+
Nucleus ✔Correct Answer-brain of the cell, directs cell activity and contains chromosomes
made of DNA
Endoplasmic Reticulum ✔Correct Answer-"intracellular highway", transports items around
the cell, creates lipids of fat
Lysosome ✔Correct Answer-An organelle containing digestive enzymes
Cytoplasm ✔Correct Answer-A jellylike fluid inside the cell in which the organelles are
suspended
golgi apparatus ✔Correct Answer-A system of membranes that modifies and packages
proteins for export by the cell
ribosomes ✔Correct Answer-site of protein synthesis
mitochondria ✔Correct Answer-Powerhouse of the cell, organelle that is the site of ATP
(energy) production
cell membrane function ✔Correct 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 ✔Correct Answer-difference in the concentration of a substance from
one location to another
simple diffusion ✔Correct Answer-hydrogen bonds form between water molecules and
solutes
facilitated diffusion ✔Correct Answer-Movement of specific molecules across cell membranes
through protein channels
osmosis ✔Correct Answer-Diffusion of water through a selectively permeable membrane
active transport ✔Correct Answer-the movement of ions or molecules across a cell
membrane into a region of higher concentration, assisted by enzymes and requiring energy.
endocytosis ✔Correct Answer-the taking in of matter by a living cell by invagination of its
membrane to form a vacuole.
Verified Answers |Already Graded A+
Nucleus ✔Correct Answer-brain of the cell, directs cell activity and contains chromosomes
made of DNA
Endoplasmic Reticulum ✔Correct Answer-"intracellular highway", transports items around
the cell, creates lipids of fat
Lysosome ✔Correct Answer-An organelle containing digestive enzymes
Cytoplasm ✔Correct Answer-A jellylike fluid inside the cell in which the organelles are
suspended
golgi apparatus ✔Correct Answer-A system of membranes that modifies and packages
proteins for export by the cell
ribosomes ✔Correct Answer-site of protein synthesis
mitochondria ✔Correct Answer-Powerhouse of the cell, organelle that is the site of ATP
(energy) production
cell membrane function ✔Correct 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 ✔Correct Answer-difference in the concentration of a substance from
one location to another
simple diffusion ✔Correct Answer-hydrogen bonds form between water molecules and
solutes
facilitated diffusion ✔Correct Answer-Movement of specific molecules across cell membranes
through protein channels
osmosis ✔Correct Answer-Diffusion of water through a selectively permeable membrane
active transport ✔Correct Answer-the movement of ions or molecules across a cell
membrane into a region of higher concentration, assisted by enzymes and requiring energy.
endocytosis ✔Correct Answer-the taking in of matter by a living cell by invagination of its
membrane to form a vacuole.
