Ati Teas Science Exam A+ Grade Assured Complete Solutions And Verified Answers

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Exam Solution +t




ATI TEAS Science Portion AMANDA KHATAB 2026 A+ G
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RADE ASSURED COMPLETE SOLUTIONS AND VERIFIED+t +t +t +t +t +t




ANSWERS (F0335) +t




QUESTION 1 +t




All cells contain:
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ANSWER

DNA and RNA that can synthesize proteins
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QUESTION 2 +t




Each cell consists of:
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ANSWER

- nucleic acids - cytoplasm - cell membrane
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QUESTION 3 +t




Ribosomes
ANSWER

involved in synthesizing proteins from amino acids - some mobile, some embedded in rough ER
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QUESTION 4 +t




Golgi Complex (Golgi Apparatus)
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ANSWER

involved in synthesizing materials such as proteins -
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located near nucleus// contains layers of membranes
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,QUESTION 5 +t




Vacuoles
ANSWER

saces used for storage, digestion and waste removal - plant cells: one large vacuole -
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animal cells: numerous small vacuoles
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QUESTION 6 +t




Vesicle
ANSWER

moves materials within a cell - small organelle within a cell
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QUESTION 7 +t




Cytoskeleton
ANSWER

consists of microtubules that help shape and support the cell
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QUESTION 8 +t




Microtubules
ANSWER

part of the cytoskeleton and helps support the cell - made of protein
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QUESTION 9 +t




Cytosol
ANSWER

liquid material in the cell - mostly water
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QUESTION 10 +t




Cytoplasm
ANSWER

general term that refers to cytosol and organelles found within the plasma membrane, but not within th
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e nucleus
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,QUESTION 11 +t




Cell membrane (plasma membrane)
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ANSWER

acts as a barrier to the cell - helps keep cytoplasm in and substances located outside the cell out -
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determines what is allowed in/out of the cell
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QUESTION 12 +t




Endoplasmic Reticulum +t




ANSWER

- rough ER: has ribosomes on the surface - Smooth ER: does not have ribosomes on the surface
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QUESTION 13 +t




Mitochondria
ANSWER

generates ATP, involved in cell growth and death -
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contains its own DNA that is seperate from that contained in the nucleus -
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aerobic respiration occurs here -
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inner membrane of mitochondria encloses matrix, which contains mitochondrial DNA (mtDNA) and rib
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osomes - between inner and outer membranes are folds (cristae)// chemical reactions occur here
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QUESTION 14 +t




Four functions of Mitochondria
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ANSWER

1. production of cell energy 2. cell signaling 3. cellular differentiation (process where a nondifferentiate
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d cell becomes transformed into a cell with a more specialized purpose) 4. cell cycle and growth regulat
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ion



QUESTION 15 +t




Animal cell structure +t +t




ANSWER

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Centrosome: compromised of the pair of centrioles and surrounded by protein. Involved in mitosis and
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cell cycle - Centrioles: involved in cellular division// contains microtubules -
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, Lysosomes: digests proteins, lipids, carbohydrates. Transports undigested substance to the cell membr
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ane so they can be removed - Cilia: causes the cell to move -
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Flagella: tail like structures on cell that use whip-like movements to help the cell move
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QUESTION 16 +t




Nuclear Parts of a Cell +t +t +t +t




ANSWER

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Nucleus: contains chromosomes and regulates DNA of a cell. is the defining structure of eukaryotic cell
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s. contains nuclear envelope, nucleoplasm, nucleolus, nuclear pores, chromatin and ribosomes -
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Chromosome: threadlike rods of DNA. dna is the genetic material that stores info about the plant or ani
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mal - Chromatin: consists of the DNA and protein that makes up chromosomes -
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Nucleolus: involved in protein synthesis and synthesizes and stores RNA -
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Nuclear Envelope: encloses the structures of the nucleus. consists of inner and outer membranes made
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of lipids - Nuclear Pores: involved in the exchange of material between the nucleus and cytoplasm -
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Nucleoplasm: liquid within the nucleus (similar to cytoplasm)
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QUESTION 17 +t




Cell Membranes: +t




ANSWER

- thin, semipermeable membrane of lipids and proteins. isolates the cell from its external environment -
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consists of phospholipid bilayer (hydrophilic ends face external environment and inner layer facing insi
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de of cell. Hydrophobic ends face each other. -
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Cholesterol in cell membrane adds stiffness and flexibility. -
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Glycolipids help cell recognize other cells of the organisms. -
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proteins in cell membrane help give the cell shape.
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QUESTION 18 +t




Selective Permeability +t




ANSWER

- cell membrane only allows small molecules to diffuse through (o2, h2o) -
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molecules that are soluble in phospholipids can usually pass through cell membrane
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QUESTION 19 +t




Cell cycle +t




ANSWER