BMS 300 Exams 2024 (All possible questions with 100% correct answers)

Epithelial cells of the alveoli are covered by a layer of water that does what to surface tension? correct answers Increases Damage to the lower motor neurons of C3, C4 and C5 (Phrenic nerve) has what effect? correct answers Paralysis of the diaphram T or F: Elastic recoil of the lungs to thei...

protein, urea correct answers In mammals, most of the ammonia, which is the result of metabolizing _____ is converted to _____ in the liver. sodium, glucose and amino acids correct answers In the kidney and SI, high concentrations of _____ permit the resorption of _____. cytoplasmic protein, c...

The anticodon on the tRNA for alanine is CGU and the anticodon for threonine is UGU. What is the base change that resulted in the SLC245A mutation? correct answers - cytosine to thymine The codons for arginine include CGA, CGC, CGG and CGU. what is the base change in the anticodon that results in...

diffusion limits correct answers distance from oxygen or nutrition source arteries correct answers lead away from the heart (ox) veins correct answers carry blood to the heart (deox); return vessels capillaries correct answers where oxygen, carbon dioxide, nutrients and metabolites are exch...

C correct answers Between the time when pre mRNA is generated and when introns are removed from it, a type of RNA called SnoRNA adds a methyl group to some bases in the pre mRNA. From what you know about RNA Processing, you would expect these enzymes to function in the: a. smooth ER b. rough ER...

What sex determinants are present in females (XX)? correct answers Rspo1 and Wnt4/Betacatenin What sex determinants are present in males (XY)? correct answers Sry and Sox9 Primoridal Germ Cell (PGC) differentiation in XX correct answers Mesonephros --> Retinoic Acid --> Gonad --> no C...

An experiment is performed in which the sequence of bases coding for the signal peptide is deleted from an mRNA molecule which codes for a lysosomal enzyme. When this mRNA is expressed in a cell, the resulting protein would be expected to be found in the: correct answers Cytoplasm Which of th fol...

Water correct answers H2O, molecular weight=18, oxygen is partial negative charge, hydrogen has slight positive charge. What is a dipole moment? correct answers difference in charge on two ends of a molecule Anions correct answers negatively charged ions Cations correct answers positively c...

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 _________________...

The DNA in mitochondria would be expected to be correct answers circular Molecules called small nuclear proteins cut and splice pre mRNA molecules in the nucleus. The function of these molecules is to correct answers separate introns from externs in the pre mRNA molecule, cut out introns from the...

proteins correct answers 20 different aa linked through peptide bonds Nuclear pore correct answers 300 proteins use ATP through which RNA moves into the cytoplasm or proteins made in cytoplasm move in histones correct answers octomer of DNA binding proteins Smooth ER correct answers lipid s...

Aquaporins correct answers Water selective channels in osmosis Trigliceride correct answers Composed of one molecule of glycerol and three molecules of fatty acid Dehydration synthesis correct answers Used in a try glycerol to create an ester bond Ampipathic correct answers Both hydrophobic...

Primary sex determination is determined by ___. correct answers Chromosomal sex Which of the following are found on autosomes? correct answers Wnt4, B-catenin, Sox9, Rspo1 Why do we not see individuals with a chromosomal sex of OY? correct answers A lack of an X chromosome is incompatible with...

nervous system correct answers the control system of the body that takes in information and elicits a response from either muscles or glands sensory input correct answers incoming information from the body or external environment integration correct answers the process of interpreting and sele...

A bond in which electrons are shared between two atoms is a _____ bond. correct answers Covalent Water molecules are attracted to each other and form _____ bonds. correct answers hydrogen Sodium (Na+) will be attracted to what portion of a molecule particle? correct answers Oxygen _______ i...

The predominant neurotransmitter receptor in muscle cells of the diaphragm is a : correct answers nicotine acetylcholine receptor During expiration and inspiration, the pressure inside the pleural sac bounded by the parietal and visceral mesothelium is more _______ than ________. correct answers ...

tissues correct answers collection of similar cells performing a similar function organs correct answers two or more tissues working in concert ex: skin epithelium tissue correct answers -sheet of continuous cells that form boundaries and surfaces -cells attracted to basal lamina -have an ap...

Phospholipids are correct answers Both Hydrophobic and Hydrophillic Triglycerides are composed of a long chain fatty acid and three glycerols correct answers False, it is composed of one glycerol and three fatty acids In triglycerides, a fatty acid is joined to glycerol by a ________ bond corr...

Integrins are transmembrane proteins that can bind to molecules called catenins which are cytoplasmic proteins and to laminins, which are extracellular protein. You would expect to find these transmembrane proteins in: a. desmosomes in epithelial cells b. hemidesmosomes in epithelial cells c. c...

Dipole Moment correct answers Partial negative and partial positive charge What causes surface tension? correct answers Hydrogen bonding Hydrophilic correct answers "water loving" Hydrophobic correct answers "water fearing" Hydration Shell correct answers Water surrounding the ions ...

Water has a dipole moment because: correct answers Oxygen is more electronegative and pulls electrons from hydrogen An amphipathic molecule, like soap, can interact with: correct answers Water and Lipids Which of the following contributes to the surface tension of water? correct answers -Water...

Among epithelial cells, the flattened ones are known as... correct answers Squamous Water crosses membranes through... correct answers Aquapores The movement of proteins from the ER to the Golgi takes place in... correct answers Vesicles Formed elements include correct answers Cells, cell r...

which of the following would move from the nucleus into the cytoplasm through nuclear pores correct answers small and large ribosomal subunits Biphosphate is a drug commonly used to slow bone loss during the progression of osteoporosis. This drug affects the chemistry of bone by inhibiting the br...

Long Bone correct answers Bone that is longer than it is wide Diaphysis correct answers Middle of the bone. Covered with Periosteum tissue. Epiphysis correct answers Ends of bone. Contains spongy bone. Spongy Bone correct answers End of bone that is made up of individual struts. Organized t...

A bond in which electrons are shared between atoms is a _______ bond. correct answers covalent Water molecules are attracted to each other and form ________ bonds. correct answers hydrogen Sodium (Na+) will be attracted to what portion of a water molecule. correct answers oxygen _______ is ...

***This is an example of a test question*** In the synthesis of cytoplasmic proteins, the RNA in the large ribosomal subunit: a. binds to the AUG start codon b. has hydrophobic base sequences that bind to the signal recognition particle (SRP) c. deliver amino acids to the small ribosomal s...

Water molecules are attracted to each other and form ________ bonds. correct answers Hydrogen A bond in which electrons are shared between atoms is a _______ bond. correct answers Covalent Which of the following is NOT true about hydrophilic molecules? correct answers They have equal sharing o...

An experiment is performed in which the sequence of bases coding for the signal peptide is deleted from an mRNA molecule which codes for a lysosomal enzyme. When this mRNA is expressed in a cell, the resulting protein would be expected to be found in the: correct answers cytoplasm Which of the fo...

Dipole Moment correct answers The difference in charge between atoms in a water molecule Water Molecules Interact With Each Other Through _______ correct answers Hydrogen Bonds Why is water liquid at room temperature? correct answers Because the hydrogen bonds within it are constantly breaking...

Which of the following are types of cartilage? (Select all that apply) Bone Blood Hyaline Fibro Elastic correct answers Hyaline Fibro Elastic Water molecules are attracted to each other and form ________ bonds. correct answers Hydrogen Sodium (Na+) will be attracted to what p...

What is a histone? A. A protein found in prokaryotic cell nuclei that facilitates transport of DNA from inside the nucleus to the cytoplasm. B. A protein found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. C. A protein found in eukaryotic...

Electric Dipole Moment correct answers Neutral molecule with uneven charge distributions (partial charges) e.g. H2O Diffusion correct answers Movement of molecules from areas of high to low concentrations e.g. Volatile Perfume distributing through the air Osmosis correct answers Diffusion of W...