Which one of the following correctly lists components of extracellular matrix found in animals?
A. collagen, laminin, and elastin
B. collagen, lignin, laminin, and pectin
C. lignin, pectin, and keratin
D. cellulose, pectin, lignin
A
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A change in rate of movement or frequency of turning in response to a stimulus is known as:
1.Habitat selection 2.Kinesis 3.Migration 4.Navigation
What are peripheral membrane proteins?
What will be an ideal response?
Cyclodextrins are a group of compounds capable of removing cholesterol from membranes. The effect most likely to have a large impact on cells as a result of cyclodextrin treatment would be
A. increased membrane fluidity at higher temperatures. B. increased permeability of the membrane. C. increased membrane fluidity at lower temperatures. D. disruption of transmembrane protein structure. E. increased concentration of transmembrane proteins.
Which cell structure is an important agent in modern genetic engineering techniques?
A. ribosomes B. capsules C. plasmids D. inclusions E. mesosomes