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Chemistry of Life Flashcards | StudBud
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Chemistry of Life
RNA is responsible for ___
The atomic number is the same as
Chemistry of Life
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1
The atomic number is the same as
Number of protons
Number of neutrons
Number of electrons
Atomic mass
2
RNA is responsible for ___
Photosynthesis
cell activity
DNA replication
Protein synthesis
3
Covalent bonds are ___
The sharing of electrons
The transfer of protons
The transfer of electrons
4
Atomic mass is found at the ___ of an element
Top
Bottom
Right side
Left side
5
Ionic bonds are ___
The sharing of electrons
The transfer of protons
The transfer of electrons
6
"Macromolecules" means ___
Small molecules
Large molecules
Multiple molecules
One molecule
7
Adhesion is the attraction between ___ molecules
Same
Different
8
___ has A, C, G, U bases
RNA
Atoms
DNA
Macromolecules
9
What is the simplest form of a substance?
Element
Substance
Molecule
Atom
10
Cohesion is the attracting between ___ molecules
Same
Different
11
What happens when an atom gains or loses an electron?
The charge changes
Nothing
It disappears
12
DNA is found in the ___
Nucleolus
Cell wall
Chloroplast
Nucleus
13
There are four main types of macromolecules
True
False
14
Carbohydrates are also called ___
Polysaccharides
Electrolyes
Nucleic acids
15
Which of the following is NOT found in macromolecules?
Carbon
Nitrogen
Fluorine
Phosphorous
16
What is different about isotopes?
Number of neutrons
Number of electrons
Number of protons
17
Atoms have what three particles
None
Protons, electrons, molecules
Electrons, neutrons, molecules
Protons, electrons, neutrons
18
Polymers are made of ___
Electrons
Macromolecules
Chains of monomers
19
___ has A, T, G, C bases
Macromolecules
DNA
RNA
Atoms
20
What is being demonstrated?
Law of conservation
Laws of physics
Capillary action
Gravity
