2) Each of the adhering to statements concerning the gram-positive cell wall is true EXCEPT

A) it maintains the form of the cell.

You are watching: In the figure, which diagram of a cell wall is a gram-negative cell wall?

B) it is sensitive to lysozyme.

C) it protects the cell in a hypertonic atmosphere.

D) it contains teichoic acids.

E) it is sensitive to penicillin.


3) Which of the following statements ideal defines what happens when a bacterial cell is placed in a solution containing 5% NaCl?

A) Succlimbed will certainly move into the cell from a higher to a lower concentration. B) The cell will undergo osmotic lysis. C) Water will move out of the cell. D) Water will certainly move right into the cell. E) No change will certainly result; the solution is isotonic.

4) A gram-positive bacterium suddenly acquires resistance to the antibiotic methicillin. This trait the majority of most likely arisen because of acquisition of brand-new genetic information through

A) conjugation. B) binary fission. C) meisosis. D) transdevelopment. E) transduction.

5) By which of the following mechanisms can a cell transport a substance from a reduced to a greater concentration?

A) basic diffusion B) promoted diffusion C) active deliver D) extracellular enzymes E) aquaporins

6) Which of the complying with is NOT a typical characteristic of many bacterial plasma membranes?

A) website of power production B) composed of a phospholipid bilayer C) includes proteins D) contains cholesterol E) is selectively permeable

7) Which among the complying with organisms has a cell wall?

A) protoplasts

B) fungi

C) L forms

D) mycoplasmas

E) animal cells


8) Which of the adhering to statements is TRUE?

A) Endospores are for remanufacturing.

B) Endospores allow a cell to endure eco-friendly transforms by developing a dormant duration via no expansion.

C) Endospores are quickly stained in a Gram stain.

D) A cell produces one endospore and keeps thriving.

E) A cell can develop many endospores.


9) Which of the following pairs is mismatched?

A) endoplasmic reticulum — internal transport

B) Golgi complex — secretion

C) mitochondria — ATP production

D) centrosome — food storage

E) lysosome — digestive enzymes


10) Which of the following organelles many closely resembles a prokaryotic cell?

A) nucleus

B) mitochondrion

C) Golgi complex

D) vacuole

E) cell wall


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14) Antibiotics that taracquire cell wall synthesis eventually reason bacterial cell death as a result of

A) osmotic lysis.

B) inhibition of molecular transfer.

C) diminished synthesis of plasma membrane.

D) plasmolysis.

E) cell shrinkage.


15) Bacteria are a generally offered organism for researches of genetic product in the study laboratory. The nucleic acids need to initially be isolated from the cells for these researches. Which of the complying with would a lot of most likely be offered to lyse gram-positive bacterial cells for nucleic acid isolation?A) lysozymeB) polymixinsC) alcoholD) waterE) mycolic acid


16) Which of the adhering to statements around gram-negative cell walls is FALSE?

A) They safeguard the cell in a hypotonic atmosphere.

B) They have actually an extra outer layer composed of lipoproteins, lipopolysaccharides, and phospholipids.

C) They are toxic to people.

D) They are sensitive to penicillin.

E) Their Gram reaction is as a result of the outer membrane.


17) Which of the adhering to structures is NOT found in some prokaryotic cells?

A) flagellum B) axial filament C) cilium D) pilus E) peritrichous flagella

18) Functions of the glycocalyx encompass every one of the following EXCEPT

A) biofilm formation.

B) boosted virulence.

C) source of nutrition.

D) security against dehydration.

E) binary fission.


19) Which structure acts like an "invisibility cloak" and protects bacteria from being phagocytized?

A) slime layer

B) fimbriae

C) capsule

D) cell membrane

E) cell wall


20) Which of the adhering to is NOT part of the passive deliver process?

A) plasma membrane

B) transporter proteins

C) ATP

D) concentration gradient

E) aquaporins


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Which of the adhering to terms best describes the cell in Figure 4.2?

A) peritrichous flagella

B) amphitrichous flagella

C) lophotrichous flagella

D) monotrichous flagellum

E) axial filament


22) In bacteria, photosynthetic pigments are found in

A) chloroplasts.

B) cytoplasm.

C) chromatophores.

D) mesosomes.

E) ribosomes.


23) The distinction in between straightforward diffusion and helped with diffusion is that assisted in diffusion

A) moves products from a greater to a reduced concentration.

B) moves materials from a lower to a greater concentration.

C) needs ATP.

D) needs transporter proteins.

E) does not need ATP.


24) The terms "run" and "tumble" are mostly linked with

A) cell wall fluidity.

B) taxic motions of the cell in response to attractants or repellents.

C) clustering properties of specific rod-shaped bacteria.

D) cell membrane synthesis.


25) You have isolated a motile, gram-positive cell through no visible nucleus. You have the right to safely assume that the cell

A) has 9 pairs + 2 flagella.

B) has actually a mitochondrion.

C) has a cell wall.

D) lives in a severe atmosphere.

E) has cilia.


26) Fimbriae and pili differ in that

A) tright here are only one or two pili per cell.

B) pili are provided for motility.

C) pili are offered to deliver DNA.

D) pili are supplied for transfer of DNA and also motility.

E) pili are supplied for attachment to surdeals with.


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27) In Figure 4.3, which diagram of a cell wall is a gram-negative cell wall?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be figured out based upon the indevelopment offered.


28) In Figure 4.3, which diagram of a cell wall possesses lipid A/endotoxin responsible for symptoms associated with infection?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be figured out based upon the information provided.


29) In Figure 4.3, which diagram of a cell wall has actually a framework that protects versus osmotic lysis?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be determined based upon the information offered.


30) In Figure 4.3, which diagram of a cell wall is decolorized by alcohol?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be identified based on the information gave.


31) In Figure 4.3, which diagram of a cell wall is resistant to many type of antibiotics (e.g., penicillin)?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be figured out based upon the indevelopment offered.


32) In Figure 4.3, which diagram of a cell wall consists of teichoic acids?

A) a

B) b

C) both a and b

D) neither a nor b

E) The answer cannot be determined based on the indevelopment offered.


33) In Figure 4.3, which diagram of a cell wall consists of porins?

A) a

B) b

C) both a and also b

D) neither a nor b

E) The answer cannot be identified based on the information offered.


34) Where are phospholipids most likely discovered in a prokaryotic cell?

A) flagella

B) about organelles

C) the plasma membrane

D) ribosomes

E) the plasma membrane and roughly organelles


35) Wbelow are phospholipids many most likely found in a eukaryotic cell?

A) surrounding flagella

B) about organelles

C) the plasma membrane

D) ribosomes

E) the plasma membrane, around organelles, and also bordering flagella


36) Which of the complying with is NOT uncovered or oboffered to take place in both mitochondria and also prokaryotes?

A) circular chromosome

B) 70S ribosomes

C) cell wall

D) binary fission

E) ATP-generating mechanism


37) Which of the adhering to statements is correct around passive diffusion?

A) It requires an expenditure of power by the cell.

B) It is a procedure in which molecules relocate from an area of better concentration to an area of lower concentration (or dvery own a concentration gradient).

C) It is a process in which molecules move from an area of lower concentration to one of higher concentration (or up a concentration gradient).

D) It might require a transfer protein.

E) It requires activity of molecules down a concentration gradient and also may call for a move protein.


38.

Answer: B


38) Oxygen crosses a plasma membrane

A) by osmosis.

B) via simple diffusion.

C) via the aid of a nonparticular transporter.

D) via promoted diffusion.

E) through porins.


39.

Answer: D


39) In a hypertonic solution, a bacterial cell will typically

A) lyse.

B) burst.

C) remain the same.

D) plasmolyze.

E) osmolyze.


40.

Answer: B


40) What will happen if a bacterial cell is pretreated via a lysozyme solution, then inserted in distilled water?

A) The cell will certainly plasmolyze.

B) The cell will certainly undergo osmotic lysis.

C) Water will leave the cell.

D) Lysozyme will certainly diffusage right into the cell.

E) No change will result; the solution is isotonic.


41.

Answer: C


41) How execute spirochetes and also spirilla differ?

A) Spirochetes execute not have a cell wall however spirilla execute.

B) Spirilla are discovered in chains of cells whereas spirochetes exist as individual cells.

C) Spirilla have an external flagella but spirochetes have axial filaments.

D) Spirochetes have a rigid, corkscrew form while spirilla are helical and more versatile.

E) Spirochetes and spirilla are basically the exact same organisms and the terms can be used interchangeably.


42.

Answer: C


42) Which one of the complying with pairs is mismatched?

A) metachromatic granules - phosphate storage

B) lipid inclusions - energy reserve

C) ribosomes - carbon storage

D) sulhair granules - power reserve

E) gas vacuoles - flotation


43.

Answer: A


43) Which of the following are NOT power reserves?

A) carboxysomes

B) polysaccharide granules

C) lipid inclusions

D) ribosomes

E) metachromatic granules


44.

See more: How To Spell The Sound Of A Sniff ? How Do You Spell The Sound Of A Sniff


Answer: D


44) Which of the complying with is NOT a functionally analogous pair?

A) nucleus -nucleiod area B) mitochondria - prokaryotic plasma membrane C) chloroplasts - thylakoids D) cilia - pili E) 9+2 flagella - bacterial flagella
45.

Answer: C