When using the higher power objective lenses, you would use this part of the microscope to focus the specimen.
What will be an ideal response?
fine adjustment knob
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It is because of adaptive ________ that people normally get chickenpox only once.
A. immunity B. WBCs C. antibodies D. antigens
Slow-oxidative muscle fibers would be found in high density in the leg muscles of Olympic sprinters
Indicate whether the statement is true or false
Which of the following is improperly paired?
A) falx cerebri — a fold of dura mater between the cerebral hemispheres B) septum pellucidum — a thin partition that separates the two lateral ventricles C) corpus callosum — thick tract of gray matter that connects the two cerebral hemispheres D) interventricular foramen - the opening between the lateral ventricles and the third ventricle E) cerebral aqueduct — slender canal that connects the third and fourth ventricle
Match the chemical signal with the appropriate description.A. Chemicals produced by neurons that function as hormonesB. Chemicals that act locally on nearby cellsC. Chemical secreted by presynaptic terminalD. Influences same cell type from which it is secretedE. Chemical secreted into blood by specialized cells; travels some distance to target tissuesParacrine
Fill in the blank(s) with the appropriate word(s).