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WorksheetsBIO121 Exam 1 Review Quiz
Total questions: 20
Worksheet time: 10mins
The match between structure and function can be explained by ___________.
Symbiosis
Natural Selection
Hydrogen Bonds
Gene Expression
We know this cell is a Eukaryotic cell because it contains __________.
DNA
a nucleus
ribosomes
a plasma membrane
What is the sequence of the complementary strand of the following DNA molecule?
5' - T A G A C T A - 3'
3' - T A G A C T A - 5'
3' - A T C T G A T - 3'
3' - C G A G T C G - 5'
There's a second strand??
The "M" in mRNA stands for
Messenger
Middle
Massive
Multiple
This type of interaction is considered a ______________
Negative Feedback Loop
Positive Feedback Loop
Neutral Feedback Loop
None of the above
Matter is anything that takes up space and has ____________.
a charge
DNA
mass
hydrogen bonds
A(n) ___________ is the smallest unit of matter that retains the properties of an element
compound
molecule
cell
atom
In a neutral atom, the number of protons = the number of __________.
atoms
neutrons
electrons
valence shells
The 1st electron shell is capable of holding ___ electrons, while the 2nd electron shell is capable of holding ___ electrons
2, 2
2, 8
4, 8
8, 8
__________ bonds are the strongest bonds in living organisms
Ionic
Hydrogen
Covalent
van der Waals
When water freezes into ice, it becomes _______ dense than liquid water.
more
less
A positively charged ion is called a _______ .
Anion
Minion
Cation
Onion
Because of its hydrogen bonds, water has a ______ surface tension.
High
Low
Negative
Positive
The substance that is dissolved in a solution is known as the ________ .
soluble
solvent
suspension
solute
Phospholipids are composed of a __________ head and ___________ tail.
Hydrolic, Hydrophobic
Hydrophilic, Hydrophilic
Hydrophilic, Hydrophobic
Hydrophobic, Hydrophilic
This is an example of a(n) __________ solution with pH ________ than 7.
basic, less than
basic, greater than
acidic, greater than
acidic, less than
Some functional groups important in biological processes include...
Hydroxyl
Amino
Methyl
All of the above
The monomer of proteins are called _________ .
amino acids
nucleotides
monosaccharides
isotopes
___________ reactions remove a molecule of water to form a new bond
Hydrolysis
Dehydration
Hydration
Hydrophilic
The Central Dogma of Biology states that _____ is transcribed into _____ which is then translated into _____.
RNA, DNA, Protein
Protein, DNA, RNA
DNA, RNA, Protein
DNA, Protein, RNA
