Chapter 5 - A Survey of Eukaryotic Cells and Microorganisms

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Protists Include:

A) yeast and molds
B) algae and protozoa
C) helminths
D) all of the choices are correct
E) none of teh choices are correct

B) algae and protozoa

The eucaryotic cell organelle that most resembles a bacterial cell is the:

A) nucleus
B) golgi apparatus
C) mitochondria
D) lysosome
E) ribosome

C) mitochondria

Eucaryotic flagella differ from procaryotic flagella because only eucaryotic flagella:

A) are used for cell motility
B) facilitate chemotaxis
C) facilitate phototaxis
D) are long whip-like structures
E) contain microtubules

E) contain microtubules

Cilia are found in certain:

A) protozoa
B) algae
C) fungi
D) bacteria
E) all of the choices are correct

A) protozoa

Chitin is a chemical component of the cell walls of:

A) protozoa
B) algae
C) fungi
D) bacteria
E) all of the choices are correct

C) fungi

Cell walls are not found on typical cells of:

A) protozoa
B) algae
C) fungi
D) bacteria
E) all of the choices are correct

A) protozoa

The eucaryotic cell's glycocalyx is:

A) mostly polysaccharide
B) the site where many metabolic reactions occur
C) also called the cell wall
D) composed of many diverse proteins
E) protection against osmotic lysis

A) mostly polysaccharide

The cell's series of tunnel-like membranes functioning in transport and storage are the:

A) mitochondria
B) lysosomes
C) golgi apparatus
D) chloroplasts
E) endoplasmic reticulum

E) endoplasmic reticulum

An organelle that is a stack of flattened, membranous sacs and functions to receive, modify, and package proteins for cell secretion is the:

A) mitochondria
B) lysosomes
C) golgi apparatus
D) chloroplasts
E) endoplasmic reticulum

C) golgi apparatus

Organelles found in algae but not in protozoa or fungi are the:

A) mitochondria
B) lysosomes
C) golgi apparatus
D) chloroplasts
E) endoplasmic reticulum

D) chloroplasts

The cytoskeleton:

A) anchors organelles
B) provides support
C) functions in movements of the cytoplasm
D) helps maintain cell shape
E) all of the choices are correct

E) all of the choices are correct

Filamentous fungi are called:

A) pseudohyphae
B) septa
C) molds
D) dimorphic
E) mycelium

C) molds

Fungi that grow as yeast one temperature but will grow as mold at another temperature are called:

A) dimorphic
B) saprobes
C) pseudohyphae
D) spores
E) Fungi Imperfecti (Deuteromycota)

A) dimorphic

Fungal spores:

A) are only produced under harmful environmental conditions
B) are only asexually produced
C) cannot be seen in a light microscope
D) are produced by molds but not by yeasts
E) are used to identify fungi

E) are used to identify fungi

Which is not a characteristic of fungi?

A) cells have cell walls
B) photosynthetic
C) include single-celled and filamentous forms
D) heterotrophic nutrition
E) can use a wide variety of nutrients

B) photosynthetic

The motile, feeding stage of protozoa is called the:

A) trophozoite
B) cyst
C) sporozoite
D) oocyst
E) food vacuole

A) trophozoite

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