Flashcards in Final Deck (62)
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Kingdoms
Bacteria
Archae
Protists
plants
animals
Fungi
1
Bacteriaphages
Viruses that infect bacterria
2
Virus structure
small
have a capsid (protective covering
some are surrounded by an envelope
has nucleic acid in the inside
3
What is a virulent?
virus with which only destroys the cell doesn't have a dormant stage
4
What are the 5 steps in lytic viral reproduction?
Attachment
Penetration
Replication and synthesis
Assembly
release
5
What is lysogenic conversion?
It is when when bacterial cells containing certain temperate viruses may exhibit new properties (pg. 506)
6
Viroid
smaller than a virus and is a naked strand of RNA that infects
7
What is a prion?
infectous agent that consist only of protein
8
What are plasmids and what do tey code for?
small fragments of DNA
they can code for catabolic enzymes, genetic enzymes. and for resistance to antibiotics
9
What are endospores?
bacteria form them
they are dormant, extremely durable cells
10
What is another name for a decomposer?
saprophyte
11
What has to happen for a population to be at genetic equilibrium?
the allele and genotype frequencies do not change from generation to generation
12
hat is ene pools?
all the alleles for all the loci present in the population
13
How do bacteria reproduce?
asexually ususally by binary fission (process in which one cell divides into 2 similar cells)
sometimes by budding or fragmentation
14
What is a foraminifera?
marine protist that produces a shell that encloses an amoeboid body
15
What is dinoflagellates?
a unicellular protist with two flagella
important part of plankton
16
What are fungal cell walls composed of?
complex carbs
chitin
polymer made of subunits of nitrogen-containing sugar
17
Why are ascomycetes sometimes referred to as sac fungi?
their sexual spores are produced in microscopic sacs called asci
18
What 2 organisms make up lichen?
fungus
photoautotroph
19
What is the male structure called in haploid gametophytes? Female?
antheridia
archegonia
20
What do scientist claim plants needed to become land plants?
needed to be anatomical, physiological, and needed reproductive adaptations
needed waxy cuticle and stomata
21
Monocot
flowering plant
monocot seeds contain a single cotyledon
22
Dicot
flowering plant
dicot seeds contain two cotyledons
pictures on pg. 590
23
what does the ectoderm give rise to?
skin and nervous systemm
24
What does endoderm give rise to?
lining of digestive system
25
What does the mesoderm give rise to?
most body organs
26
What is the anticoagulant leeches use?
hirudin
27
List the 4 subphylum of artopods. List examples
Myriapoda- centipedes, millipedes
Chelicerata- horshoe crab, spider, ticks, mites
Crustacea- lobsters, pill bugs, barnacles, shrimp
hexapoda- bugs
28
List 3 characteristics of amphibians
use moist skin as well as lungs for gas exchange
mucous glands in skin
3-chambered heart
29
