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60 Cards in this Set

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  • Back
T/F The first step in viral infections is binding to its host.
True
Taxonomy ;is the classification of _____
organisms
T/F a Unisex flower is a staminate or a pistilate.
True
T/F Botulism has a vaccine.
False
T/F Bacilli are spiral shaped.
False
T/F Bacteria is from the Monera Kingdom.
True
T/F Bacteria is from the Monera Kingdom.
True
What is the correct order of classification?
Kingdom, phylum, class, order, family, genus, species
Eukaryotic cells contain how many copies of each chromosome?
2
Where is streptococci mitis found?
mouth and throat
Which is not a part of the female sex part of a flower?
stamen
Which is not part of a seed?
nucleus
What part of a eukaryotic cell does the HIV virus “steal” as it leaves the cell?
cell membrane
Which of the following fungi is used for antibiotics?
hyphae
Which process do eukaryotic cells use to divide?
mitosis
Which of the following is not a type of relationship that can exist between fungi and other organisms?
prokaryotes
The following are characteristics of fungi except:
endosperm
T/F All of our food comes from plants.
True
Pairs of molecules that interact by recognizing and binding with one another are called ______________.
receptors and ligands
T/F Marijuana is an example of a plant that has unisexual flower.
True
What is reversing the progress promoted by the many miracle drugs developed over the last 50 years?
emergence of drug resistance in bacteria
Where is the bacteria found in the body?
skin, mouth and throat, and small and large intestines
What is a variety of genetic characteristics found within a species and among different species?
genetic diversity
T/F An animal can evolve past a certain point to where it cannot mate with its old predecessor?
False
Evolution is
a change in the gene pool of a population over time
What percentage of species have gone extinct on Earth?
30
T/F Fungi is not a source of several valuable antibodies.
False
T/F For natural selection to occur, only variation has to be present.
True
Which is NOT part of a seed?
grain
Cells can be divided into two different groups based on their
origin
T/F Prokaryotic cells undergo mitosis.
False
T/F All mutations are negative.
False
T/F Variation is derived from mutation.
True
Mutation is any inheritable change in
DNA
T/F Evolution maintains that all living organisms have a common origin.
True
Eukaryotes contain what type of membrane?
plasma membrane
Viruses are classified by:
The DNA or RNA they hold
T/F AIDS is a virus.
True
T/F Antibiotics have the capability to cure a virus.
False
What is not included in a complete flower?
stem
T/F Survival of the fittest is where a living animal or plant can get food and take care of itself better than others can.
True
T/F When a fact isn’t proven true, then it is just a theory.
True
Why are viruses not really organisms?
They can't survive on their own
Which is not a characteristic of a eukaryotic cell?
has no cell wall
T/F Viruses can contain both DNA and RNA.
False
What is the difference between a virus and a virion?
cell memebrane
The most important group of flower pollinators is
bees
T/F Molecular interaction is based on molecular structure.
True
Koch’s postulate is a process used to
identify infectious agents
HIV prefers to infect one particular type of immune cell called
t-cell
What is the branch of biology that names and classifies organisms?
taxonomy
Hummingbirds are mostly attracted to flowers of what color?
red
T/F About 70% of calories consumed by humans are seeds.
true
In result of mixing sugar and carbohydrates, yeast makes bubbles of _______, which cause it to rise.
carbon dioxide
T/F A flower can be perfect without petals.
true
Seed coat is made from what complex carbohydrate?
fiber
What does a saprophyte do?
feed on dead things
In SuperMario Brothers “Toadstool” was a
fungi
T/F Reverse transcriptase is a special enzyme for transcription.
True
The stalk of an individual flower is the
pedicel