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Which kind of phospholipid motion is very rare without enzymatic catalysis? A.flip-flopping between monolayers B.lateral diffusion C.flexion of fatty acid side chains
Which kind of bonds occur in proteins between consecutive amino acids? A.phosphodiester bonds B.condensation bonds C.peptide bonds
Question 1: Can someone please explain fusion in evolutionary biology and give me an example. Question 2: What is phenotypic plasticity? Explain with the help of example.
Describe each type of metabolism listed below and give an example of each. 1. Phospholipid Metabolism 2. Sphingolipid Metabolism 3. Isoprenoid or Cholesterol Metabolism
Which statement below best describes the difference between a dominant gene and a recessive gene? A.dominant genes are stronger than recessive genes B.domiant genes aid in survival of the organism w
Which of the following best describes the difference between alleles and genes? A.alleles are temporary; genes are permanent B.alleles are variations of a gene C.alleles are inherited, genes are not
Describe the microscopic and macroscopic organization of the human body. Start by describing how the body is compartmentalized into cavities/spaces surrounded by isolating barriers at the macroscopic
All enteric bacteria stain similarly and are therefore identified using these tests. A-Light microscope identification B-Motility tests C-Features in their colonial growth
This anaerobic, endospore-forming, Gram-positive bacillus is common in both soil and water. It produces neurotoxins that cause botulism. A-Clostridium botulinum B-Clostridium tetani C-Myobacterium t
How would you describe the effect of inhibitor concentration, substrate concentration, temperature, enzyme concentration, pH on enzyme activity?
Question 1: Why is it essential that the SalI site be situated within the lacZalpha coding sequence in order to do blue-white screening? Question 2: What would happen if you change both pH and subst
Question 1: What type of information can the AFM method provide? Question 2: How would you know if the protein binds to more than one non-adjacent site on the DNA fragment?
Why is the D1 receptor coupled through this specific pathway? What would happen if the D1 receptor was Gs-coupled?
Why do you think that relatively few fetuses with chromosomal trisomies survive to birth? It is possible for the distribution of some substances across a cell membrane to be at equilibrium, even thou
Quetion 1: What are some of the genetic factors that contribute to aging? Question 2: What happens to our chromosomes as they get older?
There is a class of enzymes called phospholipases, which cleave phospholipids at specific bonds. Question 1: One such phospholipase releases free sphingosine and phosphocholine (choline with a phosp
Suppose that a coagulase test is were performed without a control tube. How would this omission decrease the reliability of the test? Explain how the ability to produce DNase would benefit the pathog
When strep throat is suspected, the physician often will recommend that a pharyngeal (throat) swab be taken and cultivated on blood agar. Why? Explain how beta-hemolyis is distinguished from alpha-h
Complementary base-pairing allows for: a) spontaneous mutations to occur. b) genes to be expressed as a phenotype. c) DNA to serve as its own template for replication.
Explain why this amoeba depends on the formation of resistant cysts that are released during a diarrhea episode to be transmitted between host?
The wear between metal surfaces 1) is reduced if surface films are present 2) is increased by the presence of surface films 3) Is independent of the presence of surface films
When a smooth metal slides on a smooth polymer: 1) It is necessary to use a lubricant 2) The friction will be very high 3) The wear will be abrasive in character
The friction coefficient between two materials 1) depends only on the load and speed of sliding 2) is decreased if the two materials are alike
Describe what you observed in your cheek smear wet-mount, direct stained slide, and indirectly stained slide. What were the similarities? What were the differences?
Design a short model experiment to find what triggers mid blastula transition using prior knowledge from such experiments like the Hans Spermann experiment. What is the role of mitochondria in neuro