Which of the following is not a task of memebrane proteins? a) cell to cell recognition b) transport c) enzymatic function d) protein shnth

Q: Not graded work, questions 13 and 15 ONLY!

A: 13) The sympathetic nervosa system then stimulates the adrenal gland triggering the release of…

Q: 16) Bacterial DNA replication is said to be: a) Linear b) curvilinear c) circular d) exponential e)…

A: 16) Bacterial DNA replication is said to be circular. This is because bacterial DNA is organized in…

Q: The absence of growth factors at the end of G1 will prevent a cell from progressing to S. a) True…

A: Growth factors are a class of signaling molecules that control how quickly cells divide, multiply,…

Q: What is the effect of the excessive rate of apoptosis? a) AIDS b) Fever c) Atrophy d) Sneezing

A: Apoptosis is a programmed cell death that occurs in multicellular organisms as a natural part of…

Q: In his work with pneumonia-causing bacteria andmice, Griffith found that(A) the protein coat from…

A: Griffith has conducted experiments on mice by injecting live and dead strains of bacteria inside…

Q: 2. Which of the following temperature best suits the growth and multiplication of transformed cells?…

A: Transformed cells are cells that have been genetically altered to acquire new characteristics or…

Q: Does TGF-β treatment cause cells to grow more or less in the soft-agar assay? (a) More, (b) Less

A: Anchorage-independent growth, which is a hallmark of carcinogenesis, is the capacity of transformed…

Q: Why can bacterial ribosomes be targeted by antibiotics? a) Because they are different from…

A: Ribosomes Cell have tiny granular structure known as ribosomes. They are composed of ribonucleic…

Q: Gleevec inhibits an enzyme needed in cancer cell proliferation. It acts by increasing the enzyme's…

A: Gleevec, also known by its trade name imatinib and internationally as Glivec, is an oral medicine…

Q: 1) How many binding sites per molecule does the receptor have? 2) What type of cooperativity is…

A: Binding sites It is a location on a protein known as a ligand that attaches to an incoming molecule…

Q: Lysozyme does which of the following?a) Disrupts cell membranesb) Hydrolyzes peptidoglycanc)…

A: Lysozyme, otherwise called muramidase or N-acetylmuramide glycanhydrolase, is an antimicrobial…

Q: Chymotrypsin

A: N-terminal amino acid residue: It is the end with a free amino group. C-terminal amino acid…

Q: Cystic fibrosis usually results in chloride channels that do not work properly. This leads to many…

A: Introduction:-  In normal cells the CFTR gene does the function of moving chloride ion from the…

Q: actions wi

A: Sialyl-Lewis is important in cancer metastasis because it helps cancer cells extravasate out of…

Q: b) The nucleus The ribosome d) The golgi body e) The mitochondrion . Amylase is secreted by the: a)…

A: Enzymes are basically the proteins which have main function to speed up a metabolic or chemical…

Q: Which structure is “slimy” in texture and may protect a prokaryotic cell from destruction by our…

A: Bacteria and archaea are prokaryotic cells having different internal and external features from…

Q: Which cells are more efficient at obtaining nutrients? a) Small Cells b) Medium Size Cells c) Large…

A: A typical human body contains almost 15 trillion cells. The nutrients are necessary for these cells…

Q: viruses and bacterial toxins can get into the neuronal cell body by retrograde transport. a) true…

A: Anterograde transport is the method involved with transporting thr physiological materials from the…

Q: 4.Which of the following terms includes all the others? a) Karyokinesis b) Cytokinesis c) Cell Cycle…

A: The cell is defined as the basic structural and functional unit of an organism. It is the building…

Q: Which statement among A-D is false regarding bacterial toxins? A) O Hemolysins are cell membrane…

A: Toxins refer to poisonous substances that include a class of small molecules and proteins, which are…

Q: One of the common defense mechanisms pathogenic bacte­ria have to avoid phagocytosis is the presence…

A: A bacterial capsule is composed of either monosaccharides or a mixture of polysaccharides and amino…

Q: The following questions refer to membrane protein isolation A) What is the difficulty when working…

A: Proteins are considered biological, organic polymers made of amino acids. Amino acids are connected…

Q: Which of the following can not be used to mediate the fusion of plasma membranes of two different…

A: Cell to cell fusion is a highly regulated cellular process in which several uninuclear cells combine…

Q: ll of the following are functions of vacuoles except  a)temporary receptacles of nutrients…

A: Vacuoles are the membrane bound structure inside the cells. They may occupy more than 30% of the…

Q: If there is too much water outside a cell

A: Movement of water across semi-permeable membrane is known as osmosis. It is a passive transport and…

Q: What are the uses of buffy coat? b) What is the clinical significance of determining the packed…

A: Buffy coat The buffy coat is the fraction of an anticoagulated blood sample that contains most of…

Q: What name is given to the inactive precursor of an enzyme? A) preenzyme B) antigen C) zymogen D)…

A: Enzymes require an ideal pH range to operate properly. The tertiary structure of the enzyme is…

Q: Which of the following are the common features for both adenylate cyclase and guanylyl cyclase? a)…

A: Proteins that function as biological catalysts are known as enzymes. Catalysts help to speed up…

Q: Which protein is responsible for the ability of influenza virus to bind to epithelial cells?…

A: Influenza is commonly known as the flu. It is commonly caused by the influenza virus. The symptoms…

Q: Define: a) Normochromic- b) Hypochromic- c) Hyperchromic- d) Microcytic- e) Macrocytic-

A: Blood is a fluid tissue that carry nutrients and oxygen to all parts of the body. Also, they carry…

Q: 1. NSF is an enzyme that uses the energy of ATP hydrolysis to disassemble complexes between v-SNAREs…

A: When the two separated lipid bilayers fuse to form a single layer, this process is known as Membrane…

Q: All the followings are biological acellular entities except: a) Bacteriophages b) Bacteria c) Viroid…

A: Acellular entities refer to biological structures that lack the traditional cellular makeup found in…

Q: Cataracts develops

A: Cataracts:These are the eye conditions which are common where the natural lens of the eye becomes…

Q: n PLP dependent enzymes, what amino acid is initially bound to PLP in the PLP-Schiff base state? a)…

A:

Q: Bio-sensor is a device consisting of immobilized layer of biological material such as_______.a)…

A: Science is a term which is used for the study of the subject which is based on the facts and…

Q: ssium important to the sodium pump? Potassium a) maintains water concentration O b) binds with the…

A: Potassiun pump This pump is found in cell membrane. ATP is needed for this pump to move Na+ and K+…

Q: Under the microscope, a tissue specimen shows cells scattered in a transparent background. This is…

A: EXOCYTOSIS is the secretory mechanism that characterizes:- merocrine gland. EXPLAINATION:- Exocrine…

Q: 33) Crenation (shrinking) is likely to occur in blood cells immersed in A) an isotonic solution B) a…

A: Crenation is a  term that describes the process by which cells, particularly red blood cells…

Q: You wish to identify the presence of a specific protein inside the cell. What microscopy technique…

A: Microscopy is a scientific technique that involves the use of microscopes to observe and study…

Q: pH will you try to bind lysozyme to a cation exchanger

A: Lysozyme is an antimicrobial enzyme that catalyzes the breakdown of peptidoglycan in the cell wall…

Q: what are CXCL10 and CCL2. what role do they play?

A: Chemokines are the family of small cytokines, also known as signaling proteins that are secreted by…

Q: What cell types would be able to grow on the ECM in the following situations? F- , Hfr , Mix   a)…

A: Introduction  The ECM (extracellular matrix) is a complex mixture of proteins, glycoproteins, and…

Q: 1. Answer the following questions in short: a) Why prokaryotic cells are known as primitive cell? b)…

A: A primitive cell may be a unit that contains specifically one lattice purpose. it's the littlest…

Q: Transferases are classified as- a) ЕC-1 c) ЕС-3 b) ЕС-2 d) EC-4

A: Enzymes are classified according to EC number , that is enzyme code number , which is based on the…

Q: a) Matching Questions. Use the following to answer Questions 1–4: Choose the correct answer from…

A: Biomolecules are organic molecules that function inside a cell. They are majorly made up of carbon,…

Q: Describe the cross - section side view of a Gram - negative cell . Clearly state where the following…

A: The gram-positive bacteria retain the crystal violet color and stain purple whereas the…