Prokaryotes & Viruses
Which of the following is not a characteristic of archaea?
Archaea are prokaryotic, so the answer: "They are eukaryotic" is NOT a characteristic of archaea.
Fungal cell walls are made of ___________.
chitin
The chemical chitin allows fungi to maintain their rigid structure. What chemical serves a similar purpose in plants?
cellulose
For what purpose is water not used in plants?
Water in plants is not used for providing energy storage
Antibiotics control bacteria by ___________.
directly killing them and slowing their growth
Most protozoans are ________________.
heterotrophic
The Indian pipe (Monotropa uniflora) is a parasitic plant. Which of the five plant attributes would it lack?
photosynthesis
How does a light source cause a plant to grow toward the light?
Light increases the concentration of growth inhibitors on the light side of the plant.
Which cellular structures do viruses lack?
Mitochondria and Ribosomes
The term protists is used to refer to ______________.
protozoans and chromists
Which tissue type is consistently present in tall plants?
vascular tissue
A gardener trains a cucumber vine to climb a trellis. Which kind of tropism makes this possible?
thigmotropism
An infectious particle made of abnormal proteins is called a _______________.
prion
What role do fungi play in the environment?
decomposers and pathogens
Which ground tissue region of a root primarily functions in storage and water uptake?
cortex
Which group of chemicals is largely responsible for photoperiodism?
phytochromes
Which of the following is not a viral disease?
Lyme disease
Some protozoans can form reproductive cells with thick, protective cell walls. These cells are known as __________.
spores
In all four plant groups, gametes are produced by the _______________ structure.
gametophyte
Which of the following is not an important role of plants in the environment?
decomposing organic matter