Hydrogen correct answers Water molecules are attached to each other and form ____________________ bonds.
Oxygen correct answers Sodium (Na+) will be attracted to what portion of a water molecule?
Covalent correct answers A bond in which electrons are shared between atoms is a ________________...
BMS 300 Final Exam (With 100% correct answers)
Hydrogen correct answers Water molecules are attached to each other and form ____________________ bonds.
Oxygen correct answers Sodium (Na+) will be attracted to what portion of a water molecule?
Covalent correct answers A bond in which electrons are shared between atoms is a ___________________ bond.
True correct answers True or False: Random movement of molecules in solution from areas of high concentration to those of lower concentration is known as diffusion.
Both hydrophobic and hydrophilic correct answers Phospholipids are:
False correct answers True or False: Triglycerides are composed of a long chain fatty acid and three glycerols
Covalent correct answers In triglycerides, a fatty acid is joined to glycerol by a ________________ bond
Osmosis correct answers ____________________is the diffusion of water molecules through a semipermeable membrane from a place of higher water concentration to a place of lower water concentration until the concentration on both sides is equal.
R-Group correct answers The portion of an amino acid that differentiates one amino acid from another is the ______________.
False correct answers True or False: The primary structure of a protein is defined by the coiling and folding of the polymer chain.
Proteins correct answers Special _____________ are used to provide hydrophilic pathways through a plasma bilayer.
Amino Acids correct answers A Protein is polymer chain comprised of numerous monomers known as _______________.
Peptide correct answers Amino Acids are linked, one to another, by a type of covalent bond known as a ____________ bond.
Peptide correct answers What bond type holds amino acids together?
4 correct answers In an alpha-helix every _____ amino acid interact.
True correct answers True or False: Alpha helices are more likely to be found spanning membranes than beta sheets. True correct answers True or False: R-groups interact to form the tertiary structure
True correct answers True or False: The 3D shape of an enzyme will allow it to bind with its ligand.
1. Secreted to the extracellular space
2. As a transmembrane protein
3. In a lysosome correct answers Proteins synthesized join the rough ER will ultimately end up:
Transcription occurs in the nucleus and translation occurs in the cytoplasm correct answers Which of the following is a true statement concerning protein synthesis?
RNA contains uracil, and DNA contains thymine. correct answers How does RNA differ from DNA?
Ribosomes correct answers Rough endoplasmic reticulum is rough because it is covered with ________________.
Final protein modification correct answers The Golgi apparatus is the site of:
Tubulin correct answers What cytoskeleton polymer self assembles into a tube-like structure?
Act as a road along which motor proteins move vesicles, using ATP as an energy source correct answers A major function of tubulin is to:
Endocytosis correct answers The process by which cells (especially macrophages) envelop a pathogen, and internalize it within a vesicle is:
False correct answers True or False: Mitochondria have their own circular DNA. Because mitochondria are delivered by sperm, all mitochondria are inherited from a person's father.
Protein self assembles adding the (+) end correct answers When building microtubules:
Dynein correct answers ______________ is a (-) end directed molecular motor that transports cargo along microtubules.
DNA --> transcription --> RNA --> translation correct answers The "Central Dogma" of protein synthesis can be summed up as follows:
Passive (does not require energy)
True Statements/Associated about/with Axonal Transport:
-Microtubules -Kinesin & Dynein -Bidirectional Transport (anterograde and retrograde) correct answers What is NOT associated with, or NOT a true statement about axonal transport?
Phosphodiester correct answers In the "backbone" of DNA, molecules of deoxyribose are linked together by ______________ bonds.
1 correct answers The nitrogenous bases are attached to deoxyribose at the ___ carbon.
Hydrogen correct answers The interaction between base pairs and that holds the two strands of DNA together is a ____ bond
Helicase correct answers The enzyme responsible for unwinding DNA and separating the two strands is:
DNA Polymerase correct answers In DNA replication, the enzyme responsible for selecting the appropriate base, and forming the phosphodiester bond is:
Lagging; DNA polymerase only works 3' to 5' correct answers When replicating DNA okuzaki fragments are synthesized on the _____________ strand, and are formed because:
5'-UACGCAUG-3' correct answers What is the sequence of RNA produced from the following DNA sequence (3'-ATGCGTAC-5')
mRNA correct answers The molecule synthesized by an RNA polymerase and carries from the nucleus to the cytoplasm, information to be translated by ribosomes is:
tRNA correct answers The molecule that binds an amino acid carries it to the ribosome, and helps attach the amino acid to the growing protein chain is:
rRNA correct answers The molecule that, in conjunction with certain proteins, forms ribosomes is:
Is a sequence in DNA that provides a site for transcription factors to bind to correct answers The TATA box:
The RNA is modified to cut out introns before being translated correct answers In eukaryotes, after RNA is transcribed from DNA,
A three amino acid sequence on the mRNA correct answers A codon is:
The protein will not bind a signal recognition particle, and will complete synthesis free in the cytoplasm. correct answers If the 20 or so amino acids of a protein being synthesized are hydrophilic:
-A small ribosomal subunit binds to mRNA, travels along the mRNA in the 3' direction, and stops when it encounters the start codon
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