Protection of which of the following would least protect the brain from physical trauma?
1.dura mater
2.pia mater
3.arachnoid mater
4.skull
2
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The power stroke corresponds to which event in muscle contraction?
A. cross-bridge formation. B. sliding of actin with respect to myosin C. cocking of the myosin head D. binding of the myosin head to actin
Proponents of ________ [two words] argue that the complexities of living systems can only be accounted for by the creative acts of a conscious entity
Fill in the blank(s) with correct word
In its role in the development of acne, (Propionibacterium/Staphylococcus/Actinomyces) typically grows in sebaceous glands of the skin
What will be an ideal response?
In bacteria and eukaryotes, a mutation is when ________
A) the expression of a gene changes without the DNA sequence being changed B) the nucleotide sequence in an mRNA molecule is directly changed C) the amino acid sequence in a protein molecule is directly changed D) DNA is unable to be replicated E) the nucleotide sequence in a DNA molecule is directly changed