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BIO 210- Chapter 1-4 Practice Test Questions And Correct Detailed Answers.

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  • BIO 210
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  • BIO 210

Mitosis - correct answer production of two cells, each with the same number of chromosomes as parent (2n) Cytoplasm - correct answer filling in the cell that holds all of the organelles in place Meio...

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  • August 9, 2024
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  • Exam (elaborations)
  • Questions & answers
  • BIO 210
  • BIO 210
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BIO 210- Chapter 1-4

Mitosis - correct answer production of two cells, each with the same number
of chromosomes as parent (2n)



Cytoplasm - correct answer filling in the cell that holds all of the organelles in
place



Meiosis - correct answer production of gametes, which contain half the
number of chromosomes (n) as parent



Endoplasmic Reticulum - correct answer organelle that compartmentalizes the
cytoplasm, increasing the surface area available for biochemical synthesis.

• smooth ER - site of lipid synthesis

• rough ER - studded with ribosomes (serve as sites where genetic information in mRNA is translated
into proteins)- site of protein synthesis



Gametes - correct answer a specialized reproductive cell with a haploid
number of chromosomes



Mitochondria - correct answer site of cellular respiration



Plasma Membrane - correct answer semipermeable plasma membrane

• defines the cell boundary

• very important in identification

• protects the interior of the cell

• actively controls the movement of materials into and out of the cell

• delimits cell from the environment



Chloroplasts - correct answer site of photosynthesis

, Cell Wall - correct answer hard enclosure around a plant cell and prokaryotes



Endosymbiotic Hypothesis - correct answer mitochondria and chloroplasts
were once primitive free living organisms (prokaryotic) that established a symbiotic relationship with a
primitive eukaryotic cell



Glycocalyx - correct answer covering/cell coat that defines the biochemical
identity of each cell



Centrioles - correct answer • Are microtubules

• Anchors because of the cytoskeletal features

• organize spindle fibers for movement of chromosomes during mitosis and meiosis



Spindle Fibers - correct answer attach to chromosomes in metaphase



Eukaryote - correct answer has double stranded, linear DNA with membrane
bound organelles



Centromere - correct answer constriction that establishes the general
appearance (non coding region of the chromosome



Prokryote - correct answer double stranded, circular DNA; lack membrane
bound organelles; few m-tronic regions since most of their DNA is coding; have a cell wall made of
peptidoglycan



Metacentric - correct answer a chromosome that has a centrally located
centromere and equal p and q arm lengths



Nucleus - correct answer contains DNA

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