What are anchored membrane proteins?

What will be an ideal response?


Ans: fatty acid or other lipid groups covalently attached because of their hydrophobic lipid components

Biology & Microbiology

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The chance that a future event will occur is called ____________

A. Probability B. Goodness of fit C. Degrees of freedom D. Random selection E. All of the answers are correct

Biology & Microbiology

Which carbohydrate is used to strengthen the shell of

crabs? a. glucose b. lactose c. glycogen d. amylose e. chitin

Biology & Microbiology

The standard classification system used by biologists today groups and classifies organisms on the basis of similar physical traits. This system was first developed by Carl Linnaeus

At the time of his work, there were other methods for grouping organisms that were based on similar habitats, similar diets, or similar behaviors. Why is the Linnaen system still useful to biologists today? A) This system is the simplest; the others are too complicated. B) This system classifies based on shared traits and infers evolutionary relationships. C) This system included all organisms found on Earth. D) This system relies on Latin names that make the most sense to biologists.

Biology & Microbiology

The sickle-cell allele produces a serious blood disease in homozygotes. Why doesn't natural selection eliminate this allele from all human populations?

A) Natural selection is a positive force, so it does not eliminate alleles. B) In populations where endemic malaria is present, heterozygotes have an important advantage: They are resistant to malaria and therefore are more likely to survive and produce offspring that carry the allele. C) Mutations keep bringing the allele back into circulation. D) Natural selection occurs very slowly, but elimination of the sickle-cell allele is expected to occur soon.

Biology & Microbiology