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Subatomic Particles
Chemistry
Macromolecules
A little bit of everything part 1
A little bit of everything
100

What subatomic particle has a positive charge and exists in the nucleus?

Protons

100

A molecule that shares electrons unevenly is described as...

Polar Bond

100

A fat is an example of what type of macromolecule?

Lipid

100
What type of scale is the pH scale?

Base 10 scale

100

Define anchoring junction and give an example. 

Hold things together in a physical matter (ex: skin cells)

200

What subatomic particle has no charge and exists in the nucleus?

Neutrons

200

When we have the same number of protons but a different number of neutrons we have a __________.

Isotope
200

A polysaccharide is an example of what type of macromolecule?

Carbohydrates

200

If pH is 2, what is [H+] and [OH-]?

[H+] = 10-2

[OH-] = 10-12

200

What type of structure needs either alpha helix or beta-pleated sheets and is stabilized only by hydrogen bonds?

Secondary Structure

300

What subatomic particle has a negative charge and exists in orbits around the nucleus?

Electrons

300

Describe ionic bond.

Complete transfer of electrons. 

300
What is the subunit of a polypeptide?

Amino Acid

300

What type of diffusion has a protein and moves substances from high to low?

Facilitated Diffusion

300

True or false. Prokaryotes have no nucleus. 

True. Prokaryotes have no nucleus, just a nucleoid region. 

400

What subatomic particle determines the atomic number of an element?

Proton

400

An interaction between a negative atom with hydrogen in which hydrogen is already part of a polar covalent bond is a....

Hydrogen Bond
400

What is the subunit of DNA/RNA?

A nucleotide

400

What are the two parts of cell theory?

- All organisms are made of one or more cells

- New cells form only by the division of previously existing cells

400

How does a prokaryote cell divide?

Prokaryotes divide by cell fission. 

500

What subatomic particle determines the atomic mass of an element?

Neutrons

500

Why do we like carbon, oxygen, nitrogen, and hydrogen?

Because they are the fundamental building blocks of life.

500

DNA and RNA is an example of what type of macromolecule? 

Nucleic Acid

500

What type of structure is the same as tertiary, but has more than one subunit?

Quaternary Structure

500

What happens in prophase I what doesn't happen in prophase?

1. Homologous chromosomes pair up to form a tetrad

2. Sister chromatids cross over