Final Flashcards Preview

Bio Final > Final > Flashcards

Flashcards in Final Deck (62)
Loading flashcards...
0

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

List 4 characteristics of birds

jawbones with teeth
long reptilian tail with feathers
3-claw bearing digits (wings)
have a furcula (wishbone)