The Atom
Carbohydrates
Proteins
Lipids
Molecules
Proteins
Other
100

Its center is the nucleus, which consists of protons and neutrons.  It has electron(s) that occupy different energy levels around its nucleus.

What is an atom?

100

The chemical formula for a 6 carbon aldoes

CH2O 

1C:2H:1O

C6H12O6

100

The building blocks for proteins

What are amino acids?

100

Lipid molecules that contain a carboxylic acid head group and a long hydrocarbon chain

fatty acids

100
A non-metal that is grouped with metals in the periodic table. 

Hydrogen

100

Proteins that catalyze a chemical reaction are known as 

enzyme

100

The particle inside the nucleus that is positively charged...

What is a proton?

200

An atom with 20 protons

Calcuium (Ca), atomic # 20.  

200

A disaccharide consisting of a glucose and a fructose molecule.

sucrose

200

It is stabilized by hydrogen bonds.

secondary structures

200

Which one has a higher melting point?

18:0 or 18:5

18:0 (saturated fatty acid, no double bonds)

200
DNA and RNA are made of thousands of monomers called this.
What is nucleotide?
200

Type of secondary structure(s) found in hemoglobin and myoglobin

alpha helices

200

A particle located outside the nucleus and is negatively charged...

What is an electron?

300

An ion with 16 protons, 18 electrons, and 16 neutrons

Sulfur ion, S2-.

300

The type of bond that links simple sugars

Glycosidic bond

300
One type of possible interaction between a water and a serine molecule.  Serine is an amino acid that has an -OH group it is side chain.

H-bond

300

The cell membrane is made of this fatty acid, with two fatty acids attached to a molecule of glycerol

Phospholipids

300

What are the three components of nucleotides?

sugar (ribose or deoxyribose)

nitrogenous base (adenine, guanine, uracil, thymine, cytosine)

phosphate ion

300

The metal ion that coordinates (binds) to oxygen in hemoglobin

Fe

300

An atom that forms an anion with a charge of -1.

Group 7A elements

400

chemical formula of a compound formed between Aluminum (Al) and sulfur (S).

Al2S3

400

A 6-carbon sugar that forms a six-membered ring is best classified as what type of sugar?

An aldose with 6-carbons is an aldohexoses.

400

The covalent bond that links the two polypeptide chains in insulin

disulfide bond (two cysteine residues)

400

A type of lipid with three fatty acid tails

A triglyceride

400

Two nucleotides that pair/form three hydrogen bonds

Guanine and cytosine

GC 

400

A structural protein made of a 3 left handed alpha helices, that are not stabilized by H-bonds.

Collagen

400

An atom with equal number of protons and electrons

What's a neutral atom?

500

Element X:

p+=6, n0= 6, e-=6

Element Y:

p+= 6, n0= 7, e-=6

Isotopes of carbon

500

Type of reaction that takes place when a glycosidic bond is formed.  Hint: what molecule is lost?

dehydration (loss of a water molecule)

500
An enzyme will not work if any of these variables are changed.
What is temperature, pH, shape of the enzyme, and/or shape of the substrate?
500

Unlike most lipids, this lipid is NOT made of fatty acid, but instead a four fused carbon rings.

Steroid

500

A molecule with hydrophobic and hydrophilic groups

amphipathic 

500

What bonds are used to connect polar molecules? 

What are hydrogen bonds? 

500

Atoms with the same number of protons but different atomic weight.

What are isotopes?

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