NEX Review - General Biology exam 2024/2025 with 100% correct answers
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Course
NEX R- General Biology
Institution
NEX R- General Biology
Cell - correct answers Smallest unit of life. The basic unit of funtin and structure for all living things.
Nucleus - correct answers Control center of the cell. Contains DNA. Contains genetic information.
DNA (deoxyribonucleic acid) - correct answers A complex molecule containing the genetic...
Cell - correct answers ✔✔Smallest unit of life. The basic unit of funtin and structure for all living things.
Nucleus - correct answers ✔✔Control center of the cell. Contains DNA. Contains genetic information.
DNA (deoxyribonucleic acid) - correct answers ✔✔A complex molecule containing the genetic
information that makes up the chromosomes.
Plasma (or cell) membrane - correct answers ✔✔Acts as a barrier (semipermeable membrane) between
the inside and outside of the cell, materials enter or exit through it.
Interstitial Fluid - correct answers ✔✔Liquid found between the cells of the body that provides much of
the liquid environment of the body. Contains acids, sugars, fatty acids, hormones, neurotransmitters, and
salts.
Selectively permeable (semipermeable) - correct answers ✔✔A property of cell membranes that allows
some substances to pass through, while others cannot.
Cytoplasm - correct answers ✔✔The fluid matrix found between the plasma membrane and the nucleus
that acts as scaffolding for the organelles.
Organelles - correct answers ✔✔"Little organs," specialized units in the cell that perform certain
functions.
Mitochondria - correct answers ✔✔Powerhouse of the cell, organelle that is the site of ATP (energy)
production.
ATP (adenosine triphosphate) - correct answers ✔✔A chemical the cell uses to store and transfer energy
within itself.
, Ribosomes - correct answers ✔✔Are the sites of protein synthesis in the cell.
Endoplasmic Reticulum (ER) - correct answers ✔✔Serves as a main transport within the cell and is made
up of many channels.
Rough ER serves to store and deliver proteins made by the attached ribosomes.
Smooth ER is free ribosomes and is found in a variety of cells, and has various functions including storage
of enzymes and minerals and the folding of proteins.
Golgi complex - correct answers ✔✔Organelle that modifies, packages, and transports material out of
the cell.
Cell wall - correct answers ✔✔A rigid structure that surrounds the cell membrane and provides support
to the cell.
Chloroplast - correct answers ✔✔Contains chlorophyll for photosynthesis.
Vacuoles - correct answers ✔✔Compartments in the cytoplasms that act as places for secretion,
excretion, and storage.
Chromatin - correct answers ✔✔Clusters of DNA, RNA, and proteins in the nucleus of a cell.
Chromosomes - correct answers ✔✔A threadlike structure of nucleic acids and protein found in the
nucleus of most living cells, carrying genetic information in the form of genes.
Mitosis - correct answers ✔✔A type of cell division, useful in the growth and repair of our bodies.
Zygote - correct answers ✔✔The cell created by the union of a sperm and egg (fertilized egg). Contains a
full set of chromosomes, half from each parent.
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