micro chapter 4

Which of the following is found in eukaryotic cells but not in the cells of bacteria?

All of the choices are correct.

Which organelle is found in algae but not found in protozoa or fungi?

Chloroplast

Adulthood and mating of helminths occur in which host?

Definitive host

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

Golgi apparatus

Protists include ________.

algae and protozoa

All of the following are found in some or all protozoa except ________.

cell wall

Eukaryotic flagella differ from bacterial flagella because only eukaryotic flagella ________.

contain microtubules

During unfavorable growth conditions, many protozoa can convert to a resistant, dormant stage called a(n) _____.

cyst

In eukaryotic cells, ribosomes have two locations: scattered in the ________ and on the surface of the _________.

cytoplasm; endoplasmic reticulum

In humans, helminths generally infect the _____.

digestive tract

All fungi have hyphae.

false

Amoebiasis (amoebic dysentery) is most commonly contracted through the ________.

fecal-oral route from contaminated food or water

Fungal spores differ from bacterial endospores in that ________.

fungal spores are reproductive, whereas bacterial endospores are for survival

Larvae and eggs are developmental forms of _____.

helminths

The long, threadlike branching cells of molds are called _____.

hyphae

A(n) _______ originates from the Golgi apparatus as one type of vesicle that contains a variety of enzymes for intracellular digestion.

lysosome

The group of protozoa that have flagella are the _____.

mastigophora

Protozoan endoplasm contains _____.

mitochondria

The eukaryotic cell's glycocalyx is ________.

mostly polysaccharide

The passageways in the nuclear envelope for movement of substances to and from the nucleus and cytoplasm are called nuclear ________.

pores

Cell walls are not usually found in _____.

protozoa

When buds remain attached, they form a chain of yeast cells called _____.

pseudohyphae

Most fungi obtain nutrients from dead plants and animals. These fungi are called _____.

saprobes

The first primitive eukaryotic cells likely evolved from _____.

the last common ancestor

All algae have chloroplasts.

true