Module 12 - 1

A phycologist studies which of the following?

Algae

Which of the following features characterizes diatoms?

Chlorophylls a and c and carotene

Which of the following groups of protozoa contains members capable of producing neurotoxins?

Dinoflagellates

Some protozoa reproduce sexually through a complex process called conjugation; which of the following events does not happen during conjugation?

Fusion of haploid macronuclei to form diploid micronuclei

Chrysolaminarin is a storage product found in which group of microbes?

Golden algae

Cells duplicate their DNA during __________.

Interphase

Which of the following stages is responsible for generating the genetic variation associated with meiosis?

Prophase I

During which of the following stages of mitosis do chromosomes consist of two chromatids?

Prophase and metaphase

Which of the following sequences reflects the correct order of events in mitosis?

Prophase, metaphase, anaphase, telophase

Carrageenan is found in the cell walls of which group of algae?

Red algae

Which of the following is common to mitosis and meiosis?

Spindle

Which taxon is characterized by "hairy" flagella?

Stramenopila

The motile feeding stage of a protozoan is called __________.

a trophozoite

Dinoflagellates are classified as a type of protozoa based on the presence of __________ in their cells.

alveoli

All of the following groups of protozoa have names related to their form of locomotion except __________.

apicomplexans

The type of asexual fungal spore that forms within hyphae is called a __________.

chlamydospore

Multiple nuclear divisions without cytoplasmic divisions results in cells called __________.

coenocytes

Haploid nuclei __________.

contain one set of chromosomes

Meiosis produces __________.

four haploid nuclei

The study of fungi is called ________.

mycology

All of the following terms are associated with sexual reproduction except __________.

schizont

A cross wall found in some hyphae is called a ___________, and the fungi are known as ___________.

septum; septate hyphae

The stemlike portion of a seaweed is called its __________.

stipe

Amoebae include microbes with __________.

threadlike pseudopods

Notable ciliates include __________, whose apical cilia create a whirlpool-like current to direct food into its "mouth."

vorticella