Term
Week One
What Type of Bond is formed when atoms of similar electronegativity share electrons? |
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Definition
Non Polar Covalant Bond
Covalant bonding happens when the sharing of electrons make the outer most ring consist of 8 electrons.
Example: H20 is a covalent bond. |
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Term
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Definition
Atoms exchange electrons and assume opposite charges. |
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Term
Week One
Polar Covalent Bond |
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Definition
What type of bond is formed when atoms of different electronegativity share electrons unequally. |
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Term
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Definition
What type of bond when a partially positive hydrogen in one polar molecule interacts with partially negative electronegative atom in another. |
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Term
Week One
Name the monomer that makes up each of the following polymers:
Protein(amylase):
Nucleic acid (DNA):
Lipids( steroids):
Carbohydrates (starch): |
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Definition
Protein: amino acid
DNA: nucleotide
Lipids: fatty acids, glycerol
Carbohydrates: monosaccharide |
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Term
Week One
Name one structural difference between a molecule of RNA and a molecule of DNA |
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Definition
DNA: double helix structure
RNA: Single helix structure |
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Term
Week One
What does the term "redundent" mean with respect to the genetic code? |
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Definition
| More than one codon represents a single amino acid. |
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Term
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Definition
Triplet of DNA bases that encodes a single amino acid in a peptide chain. |
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Term
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Definition
each codon represents only one amino acid |
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Term
Week One
What term describes the movement of water from high to low concentration? |
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Definition
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Term
Week One
What term describes the movement of water from a from an area of low to an area of high solute concentration? |
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Definition
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Term
Week One
Selectively Permeable |
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Definition
allows only certain materials through due to size, chemical makeup |
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Term
Week One
facilitated diffusion |
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Definition
passive transport by a gradient aided by a channel |
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Term
Week One
Active Transport |
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Definition
Use of energy to move a material against its concentration gradient |
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Term
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Definition
large molecule export in membrane vesivles by exocytosis; uptake by endocytosis. |
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Term
Week One
T or F:
Each gene can give rise to only a single RNA transcript? |
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Definition
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Term
Week One
Which Organelle is involved in recyling of aging organelles? |
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Definition
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Term
Week One
Which Organelle is involved in filaments function in cell shape, motility, organelle transport? |
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Definition
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Term
Week One
Which organelle is involved in regulating traffic in and out of the cell? |
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Definition
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Term
Week One
Which Organelle is involved in protein processing and storing? |
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Definition
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Term
Week One
Which organelle is involved in protein assembly and packaging? |
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Definition
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Term
Week One
Which Organelle is involved in lipid synthesis, detoxification? |
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Definition
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Term
Week One
Which organelle is involved in extracting energy from food to make ATP |
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Definition
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Term
Week One
Which Organelle is involved in building proteins? |
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Definition
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Term
Week One
Which organelle is involed in containing DNA to direct construction of the cell |
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Definition
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Term
Week One
Which level of protein structure involves folding of the polypeptide into common structural motifs such as a-helix b-sheet? |
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Definition
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Term
Week One
Which level of protein structure is found only in proteins composed of more than one polypeptide? |
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Definition
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Term
Week One
which level of protein structure is where the linear sequence of amino acids determines final protein shape? |
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Definition
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Term
Week One
Which level of protein structure is where local motifs persist through larger scale folding |
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Definition
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Term
Week One
A 0.1M solution of sodium chloride is _____ relative to pure water.
a.) Isotonic
b.) hypertonic
c.) hypotonic |
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Definition
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Term
Week One
relatively low solute concentration; ideal for plant cells |
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Definition
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Term
Week One
Of equal solute concentration, ideal for animal cells |
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Definition
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Term
Week One
Which process takes place in the cytoplasm of a eukaryotic cell?
a.DNA replication
b. translation
c. transcription |
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Definition
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Term
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Definition
information in the DNA is copied to messenger RNA, which exits the nucleous |
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Term
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Definition
Each strand of a double helix is a template for a new complementary strand |
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Term
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Definition
extracts energy from sunlight to make sugars |
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Term
Week One
Cell Wall (plant only) |
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Definition
provides support, limits water loss, protection |
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Term
Week One
central vacuole (plants only) |
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Definition
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