Microbiology The Human Experience 1st Edition By John W. Foster – Test Bank

2. Which of the following occurs during gamete formation but NOT during asexual reproduction?

a. replication of all chromosomes

b. paired chromosomes condensing into short rods

c. separation of pairs of homologs

d. formation of nuclear membranes around groups of chromosomes

ANS:CDIF:ModerateREF:11.1

OBJ: 11.1a Explain the processes of asexual (vegetative) reproduction and sexual reproduction.

MSC: Applying

3.When comparing sexual reproduction to asexual reproduction, which of the following is an advantage of sexual reproduction?

a. Sexual reproduction generates fewer diverse cell surface proteins and is less likely to activate an immune response.

b. Sexual reproduction requires fewer resources that may be useful when nutrients are depleted.

c. Sexual reproduction produces haploid vegetative cells, which are smaller than diploid vegetative cells.

d. Sexual reproduction increases genetic diversity, which may be useful in a changing environment.

ANS:DDIF:ModerateREF:11.1

OBJ: 11.1a Explain the processes of asexual (vegetative) reproduction and sexual reproduction.

MSC: Analyzing

4.The group of organisms that includes ciliates, dinoflagellates, and apicomplexans is known as

a. fungi. c. trypanosomes.

b. amebas. d. alveolates.

ANS:DDIF:EasyREF:11.1

OBJ: 11.1b Distinguish the key traits of fungi, algae, amebas, alveolates, and trypanosomes.

MSC:Remembering

5.A major group of microbial eukaryotes that contains chloroplasts related to those of plants and is found as a single cell or sheet is

a. fungi. c. alveolates.

b. algae. d. trypanosomes.

ANS:BDIF:EasyREF:11.1

OBJ: 11.1b Distinguish the key traits of fungi, algae, amebas, alveolates, and trypanosomes.

MSC: Applying

6.The parasite that causes malaria has a complex life cycle involving both a definitive and an intermediate host. This parasitic protist also contains an elaborate cortex. This parasite is best categorized as a(n)

a. fungus. c. alveolate.

b. trypanosome. d. alga.

ANS:CDIF:EasyREF:11.1

OBJ: 11.1b Distinguish the key traits of fungi, algae, amebas, alveolates, and trypanosomes.

MSC: Applying

7.Which of the following would be considered invertebrate parasites?

a. helminths c. metamonads

b. amebas d. algae

ANS:ADIF:ModerateREF:11.1

OBJ:11.1c Distinguish between microbial and invertebrate parasites.

MSC:Understanding

8.Which of the following would be considered “true” microbes?

a. nematode c. trematodes

b. cestodes d. fungi

ANS:DDIF:ModerateREF:11.1

OBJ:11.1c Distinguish between microbial and invertebrate parasites.

MSC:Understanding

9.When comparing invertebrate parasites to “true” microbes, which of the following is found in invertebrate parasites only?

a. fully differentiated organ systems c. macroscopic forms

b. cells with mitochondria d. cells with nuclei

ANS:ADIF:ModerateREF:11.1

OBJ:11.1c Distinguish between microbial and invertebrate parasites.

MSC: Applying

11. One drug target for antifungals is the membrane lipid

a. chitin. c. triazole.

b. hyphae. d. ergosterol.

ANS:DDIF:ModerateREF:11.2

OBJ: 11.2a Describe the structure of the fungal mycelium. MSC: Remembering

12.How do filamentous fungi grow in length?

a. Their hyphae undergo mitosis without cell division.

b. Their hyphae undergo meiosis to produce new cells.

c. They produce asci by mitosis without cell division.

d. They produce asci by meiosis without cell division.

ANS:ADIF:ModerateREF:11.2

OBJ: 11.2a Describe the structure of the fungal mycelium. MSC: Applying

13.Fungal filaments associated with the root systems of trees that expand the trees’ access to water and nutrients are known as

a. mycorrhizae. c. chitin.

b. molds. d. saprophytes.

ANS:ADIF:EasyREF:11.2

OBJ: 11.2b Explain how fungi impact the environment. MSC: Understanding

14.The ability of fungi to digest lignin is important in the

a. production of bread. c. decomposition of wood.

b. production of beer. d. decomposition of animal bodies.

ANS:CDIF:EasyREF:11.2

OBJ: 11.2b Explain how fungi impact the environment. MSC: Understanding

15.Which of the following best describes how fungi obtain nutrition?

a. Fungi use chloroplasts for photosynthesis.

b. Fungi secrete digestive enzymes and absorb broken-down molecules.

c. Fungi use phagocytosis to transport large molecules across their cell membrane.

d. Fungi harness cyanobacteria to receive carbon and other nutrients.

ANS:BDIF:EasyREF:11.2

OBJ: 11.2b Explain how fungi impact the environment. MSC: Applying