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Summary ATI TEAS EXAM | BIOL 3V2 STUDY GUIDE BIOL 2024/2025
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ATI TEAS EXAM | BIOL 3V2 STUDY GUIDE BIOL 2024/2025
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ATI TEAS EXAM | BIOL 3V2 STUDY GUIDE BIOL3V2 ATI TEAS 6 EXAM QUESTIONS AND
CORRECT ANSWERS RATED A+ 2024/2025
Science
Cell
➢Cell: basic organizational unit of all living things. One thing in
common is they all have membranes (phospholipids).
➢Cell structure organization: All cells contain DNA, and RNA & can
synthesize proteins. Consists of nucleic acids, cytoplasm, and cell
membrane.
o Tissues: Cells that are grouped
together o Organs: Tissues that are grouped
together o Systems: Organs that are grouped
together o Organism: A complete
individual
➢Nuclear parts of a cell o Nucleus: contains chromosomes, &
regulates DNA of the cell.
Defining structure of eukaryotic cells (they all have nucleus).
Passes genetic traits between generations. Contains nuclear
envelop, nucleoplasm, nucleolus, nuclear pores, chromatin, &
ribosomes. o Chromosomes: thread like rods of DNA. Short
deoxyribonucleic acid, DNA is the genetic material that stores
information about the plant/animal.
,ATI TEAS EXAM | BIOL 3V2 STUDY GUIDE BIOL
3V2 ATI TEAS 6 EXAM QUESTIONS AND
o Chromatin: DNA & Protein makeup
chromosomes o Nucleolus: Proteins,
small/round doesn’t have membrane.
Protein synthesis, synthesizes & stores RNA.
CORRECT ANSWERS RATED A+ 2023-2024
o Nuclear envelope: Encloses structures within nucleus. Made of
lipids.
o Nuclear pores: Exchange materials between the nucleus *
cytoplasm
o Nucleoplasm: Liquid like cytoplasm, within nucleus.
Cell Membranes
,ATI TEAS EXAM | BIOL 3V2 STUDY GUIDE BIOL
3V2 ATI TEAS 6 EXAM QUESTIONS AND
CORRECT ANSWERS RATED A+ 2023-2024
➢Cell Membrane (Plasma membrane): Semipermeable membrane
of lipids and proteins. Made of phospholipid bilayer, hydrophilic
ends of the outer layer facing the external environment, the inner
layer facing inside the cell, hydrophobic ends facing each other. o
Hydrophilic: Water loving, can dissolve water o Hydrophobic:
Hates water, can’t dissolve water
➢Selective Permeability o Selective Permeability with regards to
size, charge, and solubility.
➢Cell structure o Ribosomes: synthesize proteins from amino acids.
o Golgi apparatus: synthesize materials like proteins that are
transported out of the cell. Near nucleus & consists of layers of
membranes.
o Vacuoles: Sacs used for storage, digestion, and waste removal.
One large in plant cells/ Animal cells are small or have numerous.
o Vesicle: Has membrane, & can move materials within the cell. o
Cytoskeleton: Microtubules that shape and support the cell.
o Microtubules: Part of cytoskeleton & help support cell. Made of
protein.
o Cytosol: Liquid material within the cell. Mostly water & had
floating materials.
o Cytoplasm: Cytosol & organelles found within the plasma
, ATI TEAS EXAM | BIOL 3V2 STUDY GUIDE BIOL
3V2 ATI TEAS 6 EXAM QUESTIONS AND
CORRECT ANSWERS RATED A+ 2023-2024
membrane, not within nucleus! o Cell membrane:
Barrier that keeps materials out of cell.
Determines what’s allowed in and out.
o Rough Endoplasmic reticulum: Ribosomes on the surface,
produce & store proteins o Smooth Endoplasmic reticulum:
Helps store lipids & proteins.
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