Bacteria & Viruses
How many bacteria kingdoms are there?
2
What is a population?
Group of individuals of the same species.
What do male plants have?
Stamen
Name the two strains.
Rough & smooth.
Sexual has how many different types of mating?
Plus & minus
T or F : Rough strains cause disease.
False
Name the 3 important isolations.
Temporal, behaviora, & geographic.
What are the two types of sperm?
Gimnosperm & angiosperm.
Name 3 types of RNA.
- mRNA
- tRNA
-rRNA
How do spores distribute?
1) Wind
2) Animal contact
What is a bacteriophage?
A virus that infects bacteria.
What do mutations occur by?
1) Mistakes in replication of DNA
2) Radiation or chemicals
What is the function of the stem?
To support the plant.
Difference between introns & exons.
Introns must stay in nucleus & exons can leave.
T or F : All fungi are heterotrophs
True
Name and describe shapes of bacteria.
Cocci - Spherical
Bacilli - Rod
Spirilla - Spiral
Explain difference between single gene & polygenic traits?
Single gene is controlled by single gene with two alleles & polygenic traits controlled by two or more traits.
Difference between perfect & imperfect flower?
Perfect are females & imperfect are males.
What is a codon?
Groups of 3 bases on a mRNA molecule.
What is a unicellular fungi?
Yeast.
What is the difference between the lytic cycle & the lysogenic cycle?
Lytic is the life of a cycle of a virus when lysis occurs & lysogenic is the life cycle of a virus when the DNA joins.
Explain difference between directional, disruptive, & stabilizing selection.
Direction - Individuals at one end of curve
Disruptive - Individuals at upper & lower end of curve
Stabilizing - Individuals in the center of curve
Name all the parts of a plant.
Petiole, stomata, anther, stamen, ovary, pistil, & stigma.
What is transcription & translation?
Transcription - Process of transferring DNA to RNA.
Translation - RNA molecul giving rise to sequence of amino acids.
How is a fungi classified?
By their structure & method of reproduction.