A neutral atom has 15 Protons. How many valence electrons does it have?
5 Valence electrons
Tendons connect ______ to _________.
A)bone to bone
B)Muscle to muscle
C)Muscle to bone
C) muscle to bone
Cholesterol is an example of which macro-molecule?
A)carbohydrate
B)lipid
C)protein
D) Nucleic acid
B) Lipid
Which isomer is two 3-D molecules that are mirror images of each other?
A) Structural isomer
B) Geometric isomer
C) Enantiomer isomer
D) none of the above
C) Enantiomer
How many valence electrons does Li have?
1
What taxon comes BEFORE species?
genus
________ is a branch of science devoted to classification of naming of animals
Taxonomy
Who is the father of modern taxonomy?
what type of atom has additional neutrons and is also called "Heavy"?
Isotope
Milk protein is an example of
A) Storage protein
B) Structural Protein
C) Signal Protein
D) Enzyme
A) Storage
Which is true of an Un-saturated fat?
A) has double bonds
B) of plant origin
C) solid at room temperature
D) all of the above
E) A & B only
E) A & B only
Which is true of an Acid?
A) pH below 7
B) high Concentration of OH- ions
C)tends to be taste sour
D)All of the above
E)A & C only
E) A & C only
How many neutrons does Al have?
14 neutrons
Which protein structure is an amino acid sequence?
A)Primary
B)Secondary
C)Tertiary
D)Quarternary
A) Primary
Which of the below is NOT true of an good experiment?
A) repeatable
B) testable and falsifiable
C) include controls
D) as few variables as possible
E) large enough study group
B) Testable and falsiable
What atomic bond is the easily disrupted by water?
Ionic Bond
Which of the below is an example of a polysaccharide?
A) Maltose
B) Starch
C) Glucose
D) Phospholipid
B) Starch
which is an energy storage for animals?
A) Glycogen
B) Cellulose
C) Starch
D) Erythropoetin
A) Glycogen
Which is true of an base?
A) high concentration of OH- ions
B) bitter
C)pH above 7
D)All of the above
E) A & B only
D) all of the above
How many electrons does oxygen have?
8 electrons
Which is true of DNA?
A)single-stranded
B) has the pentose sugar Ribose
C) has the nuclei base Uracil
D) is made of nucleotides
E) Both B & D are true
D) is made of nucleotides
True or false?
An atom that has 9 electrons is very reactive?
The Atom wants to complete its electron energy shell.
What protein structure forms a helices/sheets ?
2* Secondary structure
Which of below is true of a saturated fat?
A) has double bonds
B) liquid at room temperature
C) of plant origin
D)none of the above
E) A & B only
D) none of the above
Chitin is an example of:
A) Lipid
B) Structural carbohydrate
C) Storage carbohydrate
D) Tertiary protein structure
B) Structural Carbohydrate
You use a buffer to neutralize an Alkaline solution towards a pH of 7. Your buffer would donate?
H+ ions
How many valence electrons does "He" have?
2
Which of the is true of RNA?
A) has the 5-carbon sugar "Dexoyribose"
B) also called Ribonucleic acid
C) has a sugar-phosphate backbone
D) both B & C are true
D) Both B & C
A tree being able to "draw" up water trough its roots up to its leaves is an example of what water property?
Cohesion
What atomic bond is critical to the stabilization of DNA?
Hydrogen bond
Water is what type of bond?
A) Non-polar covalent
B) Polar covalent
C) Ionic
D) Hydrogen
B) Polar covalent
What taxon comes after Family?
Genus
What particles are found in the atom's nucleus?
A)Proton
B)Electron
C)Neutron
D) A & B only
E) A & C only
E) A & C only
How many neutrons does "Ti" have?
26
Come up with a reasonable question for the SI Leader.
If he gets it wrong, you get the points.
?
A non-polar hydrophobic macromolecule is an example of which macromolecule?
Lipid