Vocabulary
Zygote
A fertilized egg
What are the 4 common elements
1)Hydrogen
2)Oxygen
3)Nitrogen
4)Carbon
Can bacteria be parasites or saprophytes
Both
Is DNA chemical responsible
Yes
What are characteristics of animals
1) movement or locomotion
2) muscles
3) nerves
4) skeleton
5) sensory organs
A) taste
B) smell
C) touch
D) sight
E) hearing
6) specialized tissues & systems
7) no alternation of generation
Hereditary
What percent water are organisms
70%
Gram-Positive Bacteria
when the Gram solution does react to the chemicals in the cell wall (purple color)
What is DNA made up of
nucleotides
What are the animal groups
1) Invertebrates : have NO backbone
(95 % of all organisms)
2) Vertebrates : have a backbone
(5 % of all organisms)
Punnet Square
used in genetic problems to find the genotypic ratio
what do the numbers mean on the ph scale
1 - 6 Acids
7 Neutral (pure water)
8-14 Bases
Where can Gram-Negative Bacteria be found
air, food, soil, and on objects
What is DNA replication
Replication proceeds in both directions until each chromosome is completely copied & before active Mitosis & Meiosis
What are animal kingdom tissuse
Epithelial : cover body surfaces
2)Muscular : have proteins that allow
the cells to contract
3)Connective : support & connect parts
of the body (bone & blood)
4)Nervous : carry information & react
to stimuli (nerve cells)
Taxonomy
assigning organisms a universally accepted name
What are the 4 macromolecules
1)Carbohydrates
2)Lipids
3)Proteins
4)Nucleic Acids
Cyanobacteria are important producers of what aquatic environments?
1) ponds
2) lakes
3) puddles
4) streams
5) moist places on land
What are the steps of DNA replication
1) DNA unwinds
2) the DNA then breaks apart
(hydrogen bonds holding the
bases together are the weakest)
3) Free DNA nucleotides bond with
the open original template
4) results in 2 DNA molecules
identical to the original
What are the essentia functions for an animal
1) Feeding
2) Respiration
3) Circulation
4) Excretion
5) Response
6) Movement
7) Reproduction
Cell Theory
All organisms are composed of cells or cell fragments
What are the 4 ways proteins differ
1) Arrangement of amino acids
2) Order or sequence of amino acids
3) Kind of amino acids
4) Number of amino acids
How does Archaebacteria differ from eubacteria
1) no murein in cell wall
2) structure of lipids in cell membrane
different
3) sequence of bases in DNA & RNA
different
4) structure of tRNA different
5) their reaction to anitbiotics is
different
What is DNA code
The genetic code is determined by the sequence of base pairs in a DNA molecule
True or False
Larger animals use a circulatory system to
move materials throughout the body
True