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Biology 1090 Exam Review 2 Questions with Correct An, Exams of Nursing

Biology 1090 Exam Review 2 Questions with Correct An

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2024/2025

Available from 07/01/2025

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Biology 1090 Exam Review 2
Questions with Correct Answers
What is glycosylation?
- the addition of sugars to lipids or proteins
- the attachment of an SRP to the signal sequence
- the process of vesicle transport between the cisternae of the Golgi apparatus
- the destruction of proteins in the lysosome - ANSWERSThe addition of sugars to lipids
or proteins
Mitochondria and chloroplasts are integral parts of the endomembrane system and are
specifically connected to the endoplasmic reticulum.
- true
- false - ANSWERSFalse
Which of the following is not a function of the signal recognition particle (SRP)?
- binds to a channel in the rough endoplasmic reticulum
- halts translation
- targets certain proteins to be synthesized on the rough endoplasmic reticulum
- binds to the ribosome - ANSWERSBinds to a channel in the rough endoplasmic
reticulum
Which of the following statements is true regarding chloroplasts?
- Chloroplasts utilize O2 as a reactant and do not produce O2 as a waste product.
- Unlike mitochondria, chloroplasts only contain an outer (and not an inner) membrane.
- None of the other answer options is correct.
- Chloroplasts release CO2 as a waste product.
- Chloroplasts are sites of cellular respiration. - ANSWERSNone of the other answer
options is correct
Where are lysosomal enzymes synthesized?
- on the rough endoplasmic reticulum
- in the cytosol
- on the Golgi apparatus
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Biology 1090 Exam Review 2

Questions with Correct Answers

What is glycosylation?

  • the addition of sugars to lipids or proteins
  • the attachment of an SRP to the signal sequence
  • the process of vesicle transport between the cisternae of the Golgi apparatus
  • the destruction of proteins in the lysosome - ANSWERSThe addition of sugars to lipids or proteins Mitochondria and chloroplasts are integral parts of the endomembrane system and are specifically connected to the endoplasmic reticulum.
  • true
  • false - ANSWERSFalse Which of the following is not a function of the signal recognition particle (SRP)?
  • binds to a channel in the rough endoplasmic reticulum
  • halts translation
  • targets certain proteins to be synthesized on the rough endoplasmic reticulum
  • binds to the ribosome - ANSWERSBinds to a channel in the rough endoplasmic reticulum Which of the following statements is true regarding chloroplasts?
  • Chloroplasts utilize O2 as a reactant and do not produce O2 as a waste product.
  • Unlike mitochondria, chloroplasts only contain an outer (and not an inner) membrane.
  • None of the other answer options is correct.
  • Chloroplasts release CO2 as a waste product.
  • Chloroplasts are sites of cellular respiration. - ANSWERSNone of the other answer options is correct Where are lysosomal enzymes synthesized?
  • on the rough endoplasmic reticulum
  • in the cytosol
  • on the Golgi apparatus
  • in a vesicle - ANSWERSOn the rough endoplasmic reticulum Mitochondria use _____ and _____ to generate ATP for use by the cell.
  • pyruvate derived from sugar; oxygen
  • sunlight; carbon dioxide
  • pyruvate derived from sugar; carbon dioxide
  • sunlight; oxygen - ANSWERSPyruvate derived from sugar, oxygen Given that both plant and animal cells have mitochondria, chloroplasts are actually unnecessary in plant cells.
  • true
  • false - ANSWERSFalse Imagine you have radioactively labeled a protein in the lumen of the endoplasmic reticulum. Where would you predict the labeled protein will end up?
  • in the lumen of the Golgi apparatus
  • in the lumen of a vesicle
  • outside the cell
  • All of these choices are correct. - ANSWERSAll of these choices are correct Chloroplasts and mitochondria are most closely related to:
  • None of the other answer options is correct.
  • certain archaea.
  • certain single-celled eukaryotes.
  • certain fungi.
  • certain bacteria. - ANSWERSCertain bacteria What accounts for the ability of vesicles to fuse with different membrane compartments in the cell?
  • peripheral membrane proteins
  • transport proteins
  • the fluid nature of the phospholipid bilayer
  • the cell's cytoskeleton - ANSWERSThe fluid nature of the phospholipid bilayer Where are the light-capturing pigments located in a chloroplast?
  • outer membrane
  • inner membrane
  • transitional membrane
  • thylakoid membrane - ANSWERSThylakoid membrane
  • a nuclear localization sequence.
  • a signal-anchor sequence.
  • both a signal sequence and a signal-anchor sequence.
  • a signal sequence. - ANSWERSBoth a signal sequence and a signal-anchor sequence A medical researcher is trying to determine if one of her patients is a long-lost descendant of Cleopatra. How could mitochondria help in the doctor's efforts?
  • The doctor can compare the nuclear DNA of her patient to the mitochondrial DNA of known Cleopatra descendants AND the mitochondrial DNA of her patient to the nuclear DNA of known Cleopatra descendants.
  • The doctor can compare the nuclear DNA of her patient to the mitochondrial DNA of known Cleopatra descendants.
  • The doctor can compare the nuclear DNA of her patient's mitochondria to the nuclear DNA of known Cleopatra descendants.
  • The doctor can compare the mitochondrial DNA of her patient to the nuclear DNA of known Cleopatra descendants.
  • The doctor can compare mitochondrial DNA from her patient and known Cleopatra descendants. - ANSWERSThe doctor can compare mitochondrial DNA from her patient and known Cleopatra descendants