exam 3 bio cont
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- Which part of the flower develops into seeds?
- ovule
- T/F Prokaryotic cells contain organelles.
- False
- Bacilli are
- rod-shaped
- The first step in the viral infection is
- binding
- T/F Hyphea is a mat of fine, thread-like structure that forms underground.
- True
- T/F 10 % of the content of the human colon is made of bacteria, while 50% of the human body weight is made of bacteria.
- True
- Which component denotes the protein shell that encloses nucleic acid?
- genome
- T/F the two cell types are called organelles and prokaryote.
- False
- The most common bacterial shapes are
- rods
- Prokaryotes contain all but which of the following?
- organelles
- What percentage of body weight is bacteria?
- 10
- T/F Cocci are rod-shaped bacteria.
- false
- Another name for an outer protein coat is
- envelope
- “Self-feeders†refers to _________ in plants.
- autotrophs
- The process by which HIV inserts its DNA into the cells DNA is known as
- fusion
- Viral structures have 3 main components.
- capsid, genome, envelope
- T/F Phylum is the most inclusive group.
- False
- Which part of a seed protects it from deterioration?
- seed coat
- T/F Fungi is multicellular.
- True
- Most prokaryotic cells divide by a process called ________.
- binary fission
- Which is considered a vegetable?
- onion
-
The process of moving the pollen grain from the anther of a stamen to the stigma of a
pistil is called _____________. - pollination
- T/F A complete flower has a pistil and anthers
- false
- T/F The eggs of flowers are fertilized through pollination.
- true
- T/F To a Botanist, a flower is just a modified stem of leaf.
- false
- T/F Flowers are the sexual organs of plants.
- true
- What color(s) are bees most attracted to?
- blue and yellow
- Plants that are dioecious have⬦
- both make and female parts on different plants
- . T/F There are 5 heirarcheal levels of taxa.
- True
- To make sure your antibiotics are effective against a virus, you should⬦
- antibiotics don't work on viruses
- Botanically, a fruit is a(n)
- ripened ovary of a flower
- Hepatitis B can be transmitted by
- sharing needles, mother to fetus transmission, and unprotected sex
- T/F The largest organism in the world is thought to be a fungus.
- True
- An advantage of the cocci shape is
- dont know
- Viruses are classified by
- the shape of the capsid, the type of nucleic acid (DNA or RNA), and double stranded or single stranded
- Biodiversity is
- variety of life on earth
- How many total vertebrates are there?
- 45000
- T/F Darwin was the British scientist who laid the foundation for evolution.
- true
- How old is the earth?
- 3.5 billion
- What is the third level from the top (Kingdom) of hierarcheal taxa?
- class
- Evolution requires which of the following to take place?
- reproductive isolation
- T/F A mutation can only be harmful.
- false
- T/F In order for evolution to occur, mutation, natural selection, and reproductive isolation must occur.
- True
- T/F Evolution is both a theory and a fact.
- true
- With variation, mutations can be
- positive and negative
- The scientific theory strives to ________ science.
- prove
- Darwin took a voyage to ________.
- Galapagos Islands
- What animals did Darwin study?
- tortoise and mockingbirds and finches
- What percentage of Americans believe that god created humans in the last 10,000 years.
- 44
- T/F A fact is a gathering of data.
- false
- T/F There are 68% of extinct species.
- false
- Darwin wrote a book called _________.
- the origin of species
- Population evolve by changes in the frequency of _________ within the population.
- dont know
- Which is not an era of Earth’s timeline?
- toliozoic
- What are 3 parts of a pistil?
- dont know
- T/F Bacilli, Cocci and Spirilli are types of Eubacteria
- true
- . The formula CO2 + H2O CH2O + O2 + light is the opposite of what?
- photosynthesis
- T/F A Eukaryotic cell is bigger than a Prokaryotic cell.
- true
- T/F Prokaryotic cells undergo Mitosis.
- false
- What is our normal flora?
- the amount of bacteria needed for our bodies