NATS QUESTIONS WITH ANSWERS 2026 | 027
What do all cells have in common - Answers - DNA, RNA, PROTINES, ENZYMES,
CELL, MEMBRANE, ATP
What do eukaryotes have that prokaryotes don't? - Answers - nucleus, orgnalls, rna
processcing
what bacteria grows best below 20 degrees? - Answers - psychrophiles
what bacteria grows best between 20-50 degrees? - Answers - mesophiles
what bacteria grows best over 50 degrees? - - Answers - thermophiles
what is an example of an acidophile? - Answers - helicobacter pylori
what are spores and what can they do? - Answers - reproductive cell formed by bacteria
that can grow with the absence of water
what are halophiles? - Answers - archaea that can grow in high levels of salt
/.do all bacteria require oxygen to live? - Answers - no
what can cyanobacteria do? - Answers - gain energy from photosyntsis
what life form occupied earth first? - - Answers - prokaryotes
what are some types of archaea and where do they live? - Answers - thermoacidophiles
(hot springs), methanogens (digestive system), halophiles (sea).
what is yeast? - Answers - eukaryotic unicellular organism
.where can yeast be found? - Answers - baking, alcohol, yeast
infections
what are molds and where are they used? - Answers - filamentous fungi, used in
creation of antibiotics
what is mycelium? - Answers - highly branched system of tubes containing mobile
cytoplasm and nuclei
what are protozoa? - Answers - unicellular eukaryotic organisms that lack a cell wall
, what are some beneficial roles of protozoa? - Answers - digestion and removing
bacteria from wastewater
what are viruses? - Answers - Answer-complexes of nucleic acids and proteins
what do viruses contain? - Answers - DNA/RNA, Protein coat for protection, and lipid
envelope
what percentage of living organisms are undiscovered? - Answers - 90
who was the first person to view through a cell and when? - Answers - Anton van
Leeuwenhoek
.describe a light microscope - Answers - uses light energy, ~1000x magnification, shows
live 2D specimen
describe an electron microscope - Answers - Answer-uses electron beam wavelength,
~2,000,000x magnification, shows 3D specimen,
what is the point of a biological membrane? - Answers - separates the outside of a cell
from the inside, regulates flow of materials and waste, provides surface area for
reactions
what is structure of a biological membrane? - Answers - phospholipid bilayer that is
selectively permeable
what are vesicles? - Answers - pockets made of membrane that carry molecules in and
out of the cell
what is exocytosis? - Answers - - Answer-materials are exported out of the cell
/.what are some transmembrane proteins? - Answers - Answer-transport proteins
(channels,
pumps), cell-to-cell recognition, enzymes
What is signal transduction? - Answers - receptors can recognize some chemicals
outside the cell, initiating enzymes inside the cell to react/be activated
what is Her 2? - Answers - receptor that regulates cell division, which cancer cells take
advantage of to replicate infected cells (Her 2 is amplified in cancer cells)
membrane proteins are unable to move _______ in the membrane, but can diffuse
_______ - - Answers - vertically, laterally
what are glycoproteins? - Answers - Glycoproteins are molecules that comprise protein
and carbohydrate chains and serves as a marker for a variety of cell-to-cell interactions
What do all cells have in common - Answers - DNA, RNA, PROTINES, ENZYMES,
CELL, MEMBRANE, ATP
What do eukaryotes have that prokaryotes don't? - Answers - nucleus, orgnalls, rna
processcing
what bacteria grows best below 20 degrees? - Answers - psychrophiles
what bacteria grows best between 20-50 degrees? - Answers - mesophiles
what bacteria grows best over 50 degrees? - - Answers - thermophiles
what is an example of an acidophile? - Answers - helicobacter pylori
what are spores and what can they do? - Answers - reproductive cell formed by bacteria
that can grow with the absence of water
what are halophiles? - Answers - archaea that can grow in high levels of salt
/.do all bacteria require oxygen to live? - Answers - no
what can cyanobacteria do? - Answers - gain energy from photosyntsis
what life form occupied earth first? - - Answers - prokaryotes
what are some types of archaea and where do they live? - Answers - thermoacidophiles
(hot springs), methanogens (digestive system), halophiles (sea).
what is yeast? - Answers - eukaryotic unicellular organism
.where can yeast be found? - Answers - baking, alcohol, yeast
infections
what are molds and where are they used? - Answers - filamentous fungi, used in
creation of antibiotics
what is mycelium? - Answers - highly branched system of tubes containing mobile
cytoplasm and nuclei
what are protozoa? - Answers - unicellular eukaryotic organisms that lack a cell wall
, what are some beneficial roles of protozoa? - Answers - digestion and removing
bacteria from wastewater
what are viruses? - Answers - Answer-complexes of nucleic acids and proteins
what do viruses contain? - Answers - DNA/RNA, Protein coat for protection, and lipid
envelope
what percentage of living organisms are undiscovered? - Answers - 90
who was the first person to view through a cell and when? - Answers - Anton van
Leeuwenhoek
.describe a light microscope - Answers - uses light energy, ~1000x magnification, shows
live 2D specimen
describe an electron microscope - Answers - Answer-uses electron beam wavelength,
~2,000,000x magnification, shows 3D specimen,
what is the point of a biological membrane? - Answers - separates the outside of a cell
from the inside, regulates flow of materials and waste, provides surface area for
reactions
what is structure of a biological membrane? - Answers - phospholipid bilayer that is
selectively permeable
what are vesicles? - Answers - pockets made of membrane that carry molecules in and
out of the cell
what is exocytosis? - Answers - - Answer-materials are exported out of the cell
/.what are some transmembrane proteins? - Answers - Answer-transport proteins
(channels,
pumps), cell-to-cell recognition, enzymes
What is signal transduction? - Answers - receptors can recognize some chemicals
outside the cell, initiating enzymes inside the cell to react/be activated
what is Her 2? - Answers - receptor that regulates cell division, which cancer cells take
advantage of to replicate infected cells (Her 2 is amplified in cancer cells)
membrane proteins are unable to move _______ in the membrane, but can diffuse
_______ - - Answers - vertically, laterally
what are glycoproteins? - Answers - Glycoproteins are molecules that comprise protein
and carbohydrate chains and serves as a marker for a variety of cell-to-cell interactions
