COCO SOLUTIONS ACADEMIC STORE

Which is the least condensed form of DNA? a. Nucleosome b. 30 nm fiber c. Heterochromatin d. Mitotic chromosome - Answer A This type of reaction combines two smaller molecules (such as two amino acids) to form a larger one. a. condensation b. hydrolysis c. proteolysis d. isomerization - Answer A Which of the following is NOT a carbohydrate polymer? a. cellulose b. glycogen c. chitin d. phosphatidylcholine e. none of the above (i.e. all are carbohydrate polyme...

resolution - Answer the ability to distinguish spirit objects. The issue with compound light microscope Working distance - Answer The distance between the bottom of the objective lens and sample at optimal focus resolution depends on - Answer 1. Numerical aperature 2. wavelength of light NA - Answer measures amount of light the objective lens is capable of gathering NA = - Answer nsina n = refractive index a = 1/2 of angle of max cone of light that can...

true or false - ribosomal RNA acts as a ribozyme, catalyzing peptide bond formation in protein synthesis - Answer true which of the following is true of both ribozymes and proteins? they often work by positioning metal ions at the active sites they can have secondary structure they can directly guide the formation of copies of their own sequence A & B all of the above - Answer A & B which of the following is NOT a hypothesis of the origins of life? replication first comp...

Which of the following would allow you to visualize the internal structure of a mitochondrion with the highest level of resolution? A: Visible light microscopy B: Confocal fluorescence microscopy C: Transmission electron microscopy D: Scanning electron microscopy - Answer C: Transmission electron microscopy Oxidative metabolism of glucose includes both substrate-level phosphorylation and oxidative phosphorylation. Which of the following is a property of oxidative phosphorylation, ...

Which of the following receptors is involved in retrograde transport from the Golgi to the ER? KDEL receptor Mannose 6-phosphate receptor PIP-3 receptor All of the above None of the above - Answer KDEL receptor Which of the following is an example of transmembrane transport? Transport of a protein from the cytosol to the nucleus Transport of a protein from the cytosol to the ER Transport of a protein from the Golgi apparatus to the endosomes Transport of a protein from the ER t...

with proteins, structure = - Answer function describe the structure of primary proteins - Answer -linear sequence of amino acid residue -determines mRNA structure the structure of primary amino acids is dependent on? - Answer covalent binds b/t amino acids in linear sequence describe structure of secondary proteins - Answer -folding & twisting of peptide backbone -NO amino acid side chain interactions the structure of secondary protein is dependent on? - Ans...

Which way is RNA transcribed? - Answer 5' to 3' where does transcription initiate? - Answer promoter what do eukaryotes require for the start of transcription? - Answer general transcription factors What do elongation factors do in transcription? - Answer use ATP hydrolysis to help RNA polymerase move along chromatin to extend the RNA chain how do prokaryotes stop transcription? - Answer terminator sequence how do eukaryotes stop transcription? ...

what is the difference between seeing and visualizing? - Answer seeing- can detect visualizing- seeing shapes, structures, measuring Given the following building blocks ==> structures sugar fatty acid amino acid nucleotides - Answer sugar ==> polysaccharides fatty acid ==> fat, lipids, membranes amino acid ==> protein nucleotides ==> nucleic acid condensation reactions link ___ to form ___ - Answer condensation reactions link monomers to form pol...

1. Which of the following biomolecules is amphiphilic? a. Sphingomyelin (a phospholipid) b. Maltose (a disaccharaide) c. Serine (an amino acid) d. All of the above e. None of the above - Answer A 2. Which of the following is a function of the telomere of a chromosome? a. Serve as an initiation point for DNA replication b. Prevent the ends of the chromosome from activating DNA repair pathways c. Attach the chromosome to the mitotic spindle d. Serve as an attachment point to the ...

What makes a good model eukaryote - Answer Genome Sequenced Developmental Sequence known Site and tissue specific mutagenesis possible Expression of multiple genes can be tracked across many cells Cell Theory - Answer idea that all living things are composed of cells, cells are the basic units of structure and function in living things, and new cells are produced from existing cells light microscope - Answer An optical instrument with lenses that refract (bend) visible...

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semi-conservative replication - Answer in each new DNA double helix, one strand is from the original molecule, and one strand is new DNA polymerase - Answer An enzyme that catalyzes the formation of the DNA molecule, has multiple domains 6 problems of DNA Replication - Answer Strand Polarity, Unzipping Proteins, Processivity, Untangle, One Copy, Accuracy Replication Facts - Answer Occurs in 5' to 3' direction New nucleotides are added at the 3' end, Cha...

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Name the hormone with the following characteristics: utilizes an intracellular/intranuclear receptor in its target cell, secreted by both an endocrine and exocrine organ, and is responsible for increasing sex drive. - Answer Testosterone True or False: The primary purpose of the pancreas is to release digestive enzymes to aid in chemical digestion of nutrients. - Answer True What is the target tissue or organ(s) for GHIH? - Answer Anterior pituitary In order to grow an...

genetics - Answer study of heredity, the inheritance of genetic material and traits down generations Classical Genetics is based on how descriptive factors are passed and change (or not) from one generation to the next Gregor Mendel: - Answer father of the science of genetics. he formulated rules for inheritance without knowledge of DNA, chromosomes, or cell division 7 characters mendel studied - Answer - round or wrinkled - yellow or green seeds - green or yellow ...

3 major types of vessels - Answer Arteries, Veins, Capillaries 3 vessel tunic layers - Answer tunica intima (tunica interna), tunica media, tunica externa (tunica adventitia) conducting arteries - Answer many elastic fibers, keep blood pressure constant ex: aorta and its branches "Elastic arteries" distribution arteries - Answer many muscular fibers, delivers blood to the rest of the body ex: majority of arteries "muscular arteries" resistance ...

Name the hormone with the following characteristics: utilizes an intracellular/intranuclear receptor in its target cell, secreted by both an endocrine and exocrine organ, and is responsible for increasing sex drive A. Aldosterone B. Insulin C. Testosterone D. Cortisol E. Estrogen - Answer C. Testosterone True or False: The primary purpose of the pancreas is to release digestive enzymes to aid in chemical digestion of nutrients - Answer True What is the target tissue or o...

Which of the following in not a distinguishing characteristic of prokaryotic cells? - Answer They lack a plasma membrane Which cell type produces primarily endotoxins? - Answer E. Coli Which of the following statements about gram negative cell walls is false? - Answer They have a thick layer of peptidoglycan Which of the following statements best describes what happens when a bacterial cell is placed in a solution containing 5% NaCl? - Answer Water will move out ...

What is the central dogma? - Answer the information stored in DNA is transferred to RNA molecules during transcription and to proteins during translation What is the exception to the central dogma rule? - Answer HIV, in RNA viruses as they are able to convert RNA molecules back to DNA molecules through "reverse transcription" Where does transcription and translation happen in prokaryotes? - Answer All in the cytoplasm Where does transcription and translation occu...

Which hormones are slower acting, yet last longer? A. Protein hormones B. Amino acid hormones C. Steroid hormones D. Neurotransmitters - Answer C. steroid hormones ADH and Oxytocin are produced by the ________ and released by the _______ A. Hypothalamus; posterior pituitary B. Hypothalamus; anterior pituitary C. Posterior pituitary; anterior pituitary D. Posterior pituitary; hypothalamus - Answer A. Hypothalamus; posterior pituitary Which disease results in height ...