Quiz Online Uji Nyali 4 Struktur Dan Fungsi Sel Mikroorganisme Eukariot

Proteasomes are a nonlysosomal protein degradation system that has been recently discovered in eucaryotic cells, a few bacteria, and many archaea.

• TRUE

• FALSE

The mitochondria is the site of

• Protein synthesis

• Lipid synthesis

• Energy production

Phagocytosis is the process in which the cell takes up small amounts of liquid with its solute molecules

• TRUE

• FALSE

Plastids are

• Protrusions of plasma membrane that bud off of plant cells

• Cytoplasmic organelles that often contain photosynthetic pigments

• Pieces of circular, double stranded DNA that can carry drug resistance

• Areas of the nucleus where rRNA is transcribed

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.

• TRUE

• FALSE

____________ are the site of tricarboxylic acid (TCA) cycle activity and the generation of ATP by electron transport and oxidative phosphorylation

• Microtubules

• Microfilaments

• Mitochondria

• The endoplasmic reticulum (ER)

• The Golgi Apparatus

The cytoplasmic matrix is best described as

• A dilute aqueous solution that fills most of the cell

• A solution of inorganic salts intended to balance osmotic pressure in the cell

• A semicrystalline mixture mostly of proteins and bound water molecules

• Material in transit between membrane bound organelles

The nucleus of the cell is where

• Energy for cell division is generated

• Ribosomes translate mRNA into proteins

• Chromatin is kept within a membrane delimited body

• Endocytic vacuoles fuse with lysosomes

___________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

• Microtubules

• Microfilaments

• Mitochondria

• The endoplasmic reticulum (ER)

• The Golgi Apparatus

Which of the following statements about Endoplasmic reticulum (ER) is not true?

• ER can transport proteins and lipids to the plasma membrane or for secretion

• ER is the main site for cell membrane biosynthesis

• ER is contiguous with the nuclear membrane

• ER is the main site for synthesis of cytoplasmic proteins

Mitochondria are similar to bacteria in several ways. Which of the following is NOT a similarity?

• Both have peptidyl glycan in their cell wall

• Both have circular, double stranded DNA

• Both are about the same size

• Both have 70S ribosomes

The nuclear pores are passageways between the nuclear matrix and the cytoplasm which

• Allow DNA to reach the cytoplasm to be translated to RNA

• Allow ribosomes to enter the nuclear matrix

• Allow proteins synthesized in the cytoplasm to enter the nucleus.

• Structurally reinforce the nuclear membrane

_________ are locomotor structures that differ in length and how they propel the cell

• Microtubules

• Cilia

• Microtubules

• The stroma

• The endoplasmic reticulum (ER)

Autophagic vacuoles are lysosomes that selectively digest portions of the cellís own cytoplasm as part of the normal turnover of cellular components

• TRUE

• FALSE

Pinocytosis is the process in which the cell takes up large particles by engulfing them into a phagocytic vacuole (phagosome)

• TRUE

• FALSE

___________ are membrane-bound vesicles that contain enzymes needed for intracellular digestion of all types of macromolecules

• Microtubules

• Lysosomes

• The endoplasmic reticulum (ER)

• The stroma

• Cilia

Lysosomes of the cell are where

• Lysozyme is synthesized

• Secretory proteins are transported to the surface

• Endocytosed material is degraded

• Glycogen is stored as an energy source

______________  is the process in which the cell takes up solutes or particles by enclosing them in vesicles (endosomes) pinched off from the plasma membrane.

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 _________

• Endosomes

• Phagosome

• Proteasomes

• Lysosomes

• Dictyosomes