Macromolecules
Proteins are consisted of....
Amino acids and peptides
Which is the GOOD and whichis the BAD cholesterol?
LDL= LOL someones laughing at you, which is bad,
HDL= HAPPY(H), good cholesterol.
Name the 3 basic subatomic particles, their charges and their mass
Protons +, +1 mass
ELectrons -, no mass,
Neutron No charge, +1 mass
What is taxonomy?
The science of naming and organizing life on earth
Characteristics of arthropods:
BILATERAL SYMMETRY, segmented body, exoskeleton, many limbs, jointed appendages, well developed nervous system and open circulatory system
1. the structue of Lipids consist of....
2. The function of lipids is....
1. glycerol backbone(glycerides) , with fatty acid chains.
2. Stored long term energy and insulation process
What does OXYGEN do to a molecule?
Creates polarity or polarizes the molecules
What is the valency of
Carbon
Oxygen
Hydrogen
carbon: 4
Oxygen: 2
hydrogen:1
What are the taxonomic levels in ORDER?
D-domain
K-kingdom
P-phylum
C-class
O-order
F-family
G-genus
S-species
what are the two types of cells?
Prokaryotic: Simple cells, divided in bacteria and archae domain
Eukaryotic cells: complex larger cells, belong to kingdom eukarya.
What are nucleic acids consisted of?
DNA,RNA, nucleotides (adenine, gunanine, thymine, cytosine).
What is the structure of phospholipids?
Glycerol backbone, fatty acid tail, phosphate group.
(hydrophillic head, hydrophobic tail)
What are valence electrons?
The electrons on the outershell of an atom, act as a regulator for a atoms chemical behaivor.
List the characteristics of life!
Hint: sunflower responding to light...
Response to stimuli, synthesizing energy, homeostatsis, growth and reproduction, adaptation, organization.
What 4 structures do ALL cells share?
Ribosome, cytoplasm, plasma membrane, DNA
Carbohydrates act as
a) long term storage for energy
b) short term storage for energy
c) dna structure that codes for genes
B
What does cholesterol do?
regulate fluidity while temperature regulates.
what do organic molecules contain? Give two examples
What do non-organic molecules contain? give two examples.
Carbon and hydrogen, CH2, C2H6
Do not contain hydrogen and carbon, H20, CO2
What is the three domain system?
Organize the hierarchy of levels starting with atoms:
atoms, molecules, macromolecules, organelles, cells, tissues, organs, organ systems, organism, population, community, ecosystem, biosphere.
What three elements are find in carbs?
C, H, O
Type of atom covalently bonded to a carbon, determine functionality and properties of carbon.
The body consist most abundantly of which elements...
C, O, H, N (THINK CONNIE BABY LIKE THE SUMMER I TURNED PRETTY)
What are the four mechanisms of evolution?
genetic drift, mutation, natural selection, gene flow
a hypothesis can never be_____ and must be _______, and ________
Proven, falsifiable and testable.