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