Quiz Online Uji Nyali 4 Struktur Dan Fungsi Sel Mikroorganisme Eukariot
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- 1.______________ is the process in which the cell takes up solutes or particles by enclosing them in vesicles (endosomes) pinched off from the plasma membrane.
- 2.The mitochondria is the site of
- A.
Protein synthesis
- B.
Lipid synthesis
- C.
Energy production
- 3.The diploid state of a microorganism refers to the times when cells contain _______ copy (ies) of each chromosome and occurs after mitotic cell division.
- A.
One
- B.
Two
- C.
Three
- 4.The cytoplasmic matrix is best described as
- A.
A dilute aqueous solution that fills most of the cell
- B.
A solution of inorganic salts intended to balance osmotic pressure in the cell
- C.
A semicrystalline mixture mostly of proteins and bound water molecules
- D.
Material in transit between membrane bound organelles
- 5.Which of the following statements about Endoplasmic reticulum (ER) is not true?
- A.
ER can transport proteins and lipids to the plasma membrane or for secretion
- B.
ER is the main site for cell membrane biosynthesis
- C.
ER is contiguous with the nuclear membrane
- D.
ER is the main site for synthesis of cytoplasmic proteins
- 6.Lysosomes of the cell are where
- A.
Lysozyme is synthesized
- B.
Secretory proteins are transported to the surface
- C.
Endocytosed material is degraded
- D.
Glycogen is stored as an energy source
- 7.Mitochondria are similar to bacteria in several ways. Which of the following is NOT a similarity?
- A.
Both have peptidyl glycan in their cell wall
- B.
Both have circular, double stranded DNA
- C.
Both are about the same size
- D.
Both have 70S ribosomes
- 8.Plastids are
- A.
Protrusions of plasma membrane that bud off of plant cells
- B.
Cytoplasmic organelles that often contain photosynthetic pigments
- C.
Pieces of circular, double stranded DNA that can carry drug resistance
- D.
Areas of the nucleus where rRNA is transcribed
- 9.The nucleus of the cell is where
- A.
Energy for cell division is generated
- B.
Ribosomes translate mRNA into proteins
- C.
Chromatin is kept within a membrane delimited body
- D.
Endocytic vacuoles fuse with lysosomes
- 10.The nuclear pores are passageways between the nuclear matrix and the cytoplasm which
- A.
Allow DNA to reach the cytoplasm to be translated to RNA
- B.
Allow ribosomes to enter the nuclear matrix
- C.
Allow proteins synthesized in the cytoplasm to enter the nucleus.
- D.
Structurally reinforce the nuclear membrane
- 11.___________are hollow cylinders (25 nm) that help maintain cell shape, are involved (with microfilaments) in cellular movement, participate in intracellular transport of substances, and participate in organelle movements; they also form the mitotic spindle during cell division and are present in cilia and flagella
- A.
Microtubules
- B.
Microfilaments
- C.
Mitochondria
- D.
The endoplasmic reticulum (ER)
- E.
The Golgi Apparatus
- 12.____________ are the site of tricarboxylic acid (TCA) cycle activity and the generation of ATP by electron transport and oxidative phosphorylation
- A.
Microtubules
- B.
Microfilaments
- C.
Mitochondria
- D.
The endoplasmic reticulum (ER)
- E.
The Golgi Apparatus
- 13.___________ are membrane-bound vesicles that contain enzymes needed for intracellular digestion of all types of macromolecules
- A.
Microtubules
- B.
Lysosomes
- C.
The endoplasmic reticulum (ER)
- D.
The stroma
- E.
Cilia
- 14._________ are locomotor structures that differ in length and how they propel the cell
- A.
Microtubules
- B.
Cilia
- C.
Microtubules
- D.
The stroma
- E.
The endoplasmic reticulum (ER)
- 15.Proteasomes are a nonlysosomal protein degradation system that has been recently discovered in eucaryotic cells, a few bacteria, and many archaea.
- A.
TRUE
- B.
FALSE
- 16.Autophagic vacuoles are lysosomes that selectively digest portions of the cellís own cytoplasm as part of the normal turnover of cellular components
- A.
TRUE
- B.
FALSE
- 17.Endocytosis is the process in which the cell takes up solutes or particles by enclosing them in vesicles (endosomes) pinched off from the plasma membrane.
- A.
TRUE
- B.
FALSE
- 18.Phagocytosis is the process in which the cell takes up small amounts of liquid with its solute molecules
- A.
TRUE
- B.
FALSE
- 19.Pinocytosis is the process in which the cell takes up large particles by engulfing them into a phagocytic vacuole (phagosome)
- A.
TRUE
- B.
FALSE
- 20.The Golgi Apparatus is a set of membrane sacs (cisternae) that is involved in the modification, packaging, and secretion of materials; they exist in stacks called _________
- A.
Endosomes
- B.
Phagosome
- C.
Proteasomes
- D.
Lysosomes
- E.
Dictyosomes
Questions: 7 | Attempts: 217 | Last updated: Mar 19, 2022
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