Honors Biology Sem. 2 Flashcards
(26 cards)
The gatekeeper of the cell
Cell membrane
What organelle makes ATP
Mitochondria
What organelle houses DNA?
Nucleus
What organelle is the site of protein assembly?
Ribosome
Which of this following is not found in prokaryotes?
a. Cell membrane
b nucleus
c ribosomes
d cytoplasm
B. Nucleus
What is the difference between a prokaryote and a eukaryote?
Prokaryotes are found in bacteria and lack a nucleus and other membrane bound organelles.
Eukaryotes are found in everything else (including protists) and are more complex and have a nucleus and more organelles.
The process of organizing creatures is
Taxonomy
Which three of these are among Carl Linnaeus’s contributions to taxonomy?
Hierarchical Organization
Binomial nomenclature
Five-kingdom system
Belief in order in nature due to an organized creator
Hierarchical Organization
Binomial nomenclature
Belief in order in nature due to an organized creator
Is a capsid part of a bacterial cell envelope? What is a viral capsid built by?
No
Proteins
What are the three bacterial shapes?
Round/ Spherical- Cocci
Rod- Bocilli
Spiral- Spirillium
What are the three relationships to oxygen?
Aerobic- need oxygen, like it
Facultative anaerobe- doesn’t need it, will use if there
Obligate anaerobe- oxygen is poison to it
Viruses
Not living things, but pretty close
Basically organic robots programmed to perform tasks
Outer shell: capsid, made of protein
Inner shell: DNA or RNA
No cells
Bacteria
Alive
Prokaryotes
Unicellular
Helped with antibiotics
Protists
Alive
Eukaryotes
Unicellular
Two groups: animal-like must find food.(Heterotrophic), plant-like are Autotrophic
Great Chain of Being
SAMMOCT OOO PCEBB
Subatomic particles
Atoms
Molecules
Macromolecules
Organelles
Cells
Tissues
Organ
Organ system
Organism
Population
Community
Ecosystem
Biome
Biosphere
Porifera
“pore bearer”- ex. Sponges
Sexually and asexually
Filter feeding
-pores
-hydro vascular system
-spicules
Nematoda
“thread” - ex. round worm
Sexually
One way tract
-simple nerves
Echinodermata
“spiny skin” ex. Starfish
Reproduces sexually
One way tract
- regeneration
- nervous system
-radial symmetry
- hydrovascular system
Cnidaria
“nettle”- jellyfish
Sexually or asexually
Chunk feeding
-radial symmetry
- special stinging cells (nematodes)
- hydrostatic skeleton
Annelida
“little ring” ex. earth worm
Sexually (have both sexes)
One way tract
-crop and gizzard
- simple nervous system
- segmented
Arthropoda
“jointed foot”- ex. Butterfly
Sexually (separate sexes)
One way tract
Jointed legs
More complex muscles
Segmented body
Platyhelminthes
“flat worms”
Sexually
Two way tract
Male and female parts
Simple nerves
No brain
Mollusca
“soft” - ex. Snail
Only sexually
Fairly complicated, one way digestive tract
Soft mantle, foot, visceral mass
Chordata
“cord having” - ex humans
Separate sexes
Complicated digestive system
Spinal cords, tubes in throats
