Answer: E. endotoxins
Question: Euglena uses its red eye spot to:
Answer Choices:
a) Find bacteria to engulf and digest
b) Avoid predators
c) Detect light for photosynthesis
d) Attract counter currents by observing the flow of small particles
Answer: c) Detect light for photosynthesis
Question: Scientists are trying to develop a more accurate system of protist classification that is based on:
Answer Choices:
a) Photosynthetic activity
b) Means of motility
c) Genetics material
d) Morphology (shape)
Answer: c) Genetics material
Question: Which of the following possesses both protein and nucleic acid? A. NONE of these groups possess both protein and nucleic acid B. viroids C. carbohydrates D. prions E. viruses
Answer: E. viruses
Question: Trypanosomiasis is spread by:
Answer Choices:
a) Flies
b) Fleas
c) Mosquitoes
d) Ticks
Answer: a) Flies
Question: A bacterium covered uniformly with flagella is termed ________. A. amphitrichous B. lophotrichous C. monotrichous D. peritrichous
Answer: D. peritrichous,
Question: Keratin
Answer Choices:
is a protein.
is secreted by plasma cells to help protect the body from viruses.
is made by melanocytes only.
is both a protein and made by melanocytes only.
all of these choices are correct.
Answer: is a protein
Question: Diatoms convert the energy produced during photosynthesis to ____ for storage.
Answer Choices:
a) Sugar
b) ATP
c) Oil
d) Starch
Answer: c) Oil
Question: The protist that assists termites in digesting wood is:
Answer Choices:
a) Trichonympha
b) Giardia
c) Pseudopodia
d) Eukaryotes
Answer: a) Trichonympha
Question: Eukaryotes evolved from prokaryotes approximately:
Answer Choices:
a) 2 billion years ago
b) 1.5 billion years ago
c) 1 billion years ago
d) 4 billion years ago
Answer: a) 2 billion years ago
Question: Which of the following statements regarding the ATP cycle is FALSE? A. A net input of energy is required to convert ADP to ATP B. ADP is produced through the hydrolysis of ATP C. There is a net energy release during the phosphorylation of ADP D. ATP has a higher potential energy than ADP E. Catabolic and anabolic processes are coupled via the ATP cycle
Answer: C. There is a net energy release during the phosphorylation of ADP
Question: In the 1500s, __________ published his observations regarding the symptoms of syphilis as well as his idea that small physical objects are responsible for contagion. A. Edward Jenner B. Charles Darwin C. Paul Ehrlich D. Alexander Fleming E. Girolamo Fracastoro F. Hans Christian Gram G. Robert Hooke H. Edward Jenner I. Robert Koch J. Antoni van Leeuwenhoek K. Joseph Lister L. Gregor Mendel M. John Needham N. Florence Nightingale O. Janet Parker P. Francisco Redi Q. Ignaz Semmelweis R. John Snow S. Lazzaro Spallanzani T. John Tyndall
Answer: E. Girolamo Fracastoro
Question: Protists are fairly easy to classify as they diverged from a common ancestor only a few million years ago.
Answer Choices:
True
False
Answer: False
Question: Plasmodium is a parasite of ____ and causes ____.
Answer Choices:
a) Red blood cells, Chagas disease
b) White blood cells, sleeping sickness
c) White blood cells, Ebola
d) Red blood cells, malaria
Answer: d) Red blood cells, malaria
Question: Which of the following can be the cause of gastritis, gastric cancer, and peptic ulcers? a) None of these choices is correct. b) Increased secretion of gastric bicarbonate. c) pH of the stomach contents continuously greater than 4. d) Increased mucus production by the neck cells. e) Helicobacter pylori (a bacterium).
Answer: e) Helicobacter pylori (a bacterium).
Question: Diatom cell coverings are composed of:
Answer Choices:
a) Cellulose
b) Chitin
c) Silica
d) Glue
Answer: c) Silica
Question: What are the two types of cellular structures used to propel the Euglena cells seen near the beginning of the video (choose all that apply)?
Answer Choices:
a) Cilia
b) Flagella
c) Pseudopodia
Answer: s: a) Cilia, b) Flagella
Question: Microfilaments and microtubules are all components of a cell’s
Answer Choices:
cytoskeleton.
nucleus.
plasma membrane.
flagella.
ribosome.
Answer: cytoskeleton