4. a) Identify the structure shown below and label the two parts in the interior of the structure.Microvillilymph vesselb) Which part in the diagram above is responsible for absorbing amino acids and glucose?

Villi are usually present inside the inner walls of the small intestine and are responsible for…

Answered: 4. a) Identify the structure shown…

An Illustrated Guide To Vet Med Term

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ISBN:9781305465763

Author:ROMICH

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Chapter2: Where, Why, And What

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While endocytosis and exocytosis refer to the direction in which a vesicle moves into and out of a cell respectively, it is important to think about what is being moved with and within the vesicles. To demonstrate how this process is utilized in human cells we will focus on the human body's insulin response. The purpose of the insulin response is to create a pathway for glucose entry into cells by releasing glucose transporters into the membrane. Cell Type #1- insulin producers: In humans, pancreatic B-cells create steroid insulin that can be packaged into vesicles starting at the ER. These vesicles are prepared for exocytosis so that the insulin can be released from the pancreatic B - cells and get into the bloodstream when signaled to do so. When glucose is present in the blood stream these cells will release the pre-packed insulin into the blood stream. Cell Type #2- insulin responders: Other cells do not produce insulin but instead respond when they have received the insulin signal…
F B A Identify the diagram. D 16 E 00 с C a) Where does this double layer occur? b) What type of molecules can pass through the double layer? c) What type of molecules cannot pass through the double layer? d) The molecules that can not pass through the double layer, how do they pass through?
Deduce the amino acid sequence of a polypeptide from the following:1. Acid hydrolysis gives Ala2, Arg, Lys2, Met, Phe, Ser22. Carboxypeptidase gives Ala3. Trypsin digestion gives 4 peptides a) Ala, Arg b) Lys, Phe, Ser c) Lys d) Ala, Met, Ser4. CNBr treatment gives a) Ala, Arg, Lys2, homoserine, Phe, Ser b) Ala, Ser5. Thermolysin is a protease that cuts on the N-terminal side of hydrophobic amino acids (substrate preference is Leu, Ile, Phe, Trp, Tyr, Val). Thermolysin treatment of our polypeptide yields 2 peptides a) Ala, Arg, Ser b) Ala, Lys2, Met, Phe, Ser
B. E- D C A Cell cytoplasm Cell cytoplasm Bacterial Cell A Bacterial Cell B A cross-section of the cell envelope of two bacterial cells, A and B, are shown in the figure. Which label is matched with the correct structure A) O Structure A: peptidoglycan B) O Structure B: teichoic acid C) O Structure C: lipoprotein D) O Structure D: capsule E) O Structure E: S layer Cell exterior Cell exterior
Which of the following statements about electron microscopy are true? a) Most existing protein structures have been resolved using electron microscopy b) Electron microscopy is not used in structural biology as it can not give as high a resolution as X-ray crystallography and NMR c) The smaller a protein, the easier it is to solve its structure with electron microscopy d) By taking pictures of the same protein frozen in ice thousands of times and then adding them together, you get a high-resolution image of the protein e) The first protein structure with true atomic resolution was solved using electron microscopy last year
You combine 0.2 g of yeast, 0.2 g of sucrose and 10 mL of water, place the mixture inside an uninfl ated balloon, then tie off the opening of the balloon. (a) Explain what you would observe over the next hour. (b) What would you observe if you added iodoacetate to the mixture? (c) What would you observe if the mixture contained lactose rather than sucrose?
What cell types would be able to grow on the ECM in the following situations?a) Streptomycin was not added to the ECM.b) The ECM contains thiamine.c) The ECM contains all 20 amino acids and all 5 nitrogenous nucleic acid bases. Reminder: ECM = minimal medium + glucose + has streptomycin antibiotic
4. The use of ATP to move substances across a plasma membrane of a cell occurs in a) facilitated diffusion b) simple diffusion c) osmosis d) active transport 5. Which of the following is NOT true concerning enzymes? a) they increase the rate at which a reaction proceeds b) enzymes are specific for their substrates c) enzyme names usually end with the suffix “-ase” d) since an enzyme is modified by a reaction, a given enzyme molecule can be used only once 6. DNA is replicated during what part of the cell cycle? a) S phase b) mitosis c) meiosis d) cytokinesis
Please, help with the answer and explain it: When observing a bacterial cell, a scientist observed a chain forming attached to a ribosome. The chain absorbed a stain that was specific for amino acids, The chain that was forming was completely linear, representing which level of protein structure? protein? A) primary B) secondary C) tertiary D) quaternary
17.
23. In the structure below, the shaded areas H Ca Ca. H a) SDS gel electrophoresis b) mass spectrometry c) Edman degradation d) size exclusion chromatography Ca a) are unable to freely rotate around the C-N bond b) represent resonance structures c) represent a partial double bond between C and N d) all of the above Ca. 24. Which of the following protein separation techniques allows for the recovery of protein?
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4. a) Identify the structure shown below and label the two parts in the interior of the structure. Microvilli lymph vessel b) Which part in the diagram above is responsible for absorbing amino acids and glucose?