During summer, the Northern Hemisphere tilts ________ the sun because of Earth's curvature and tilted axis

Fill in the blank(s) with correct word


toward

Biology & Microbiology

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Which of the following is never used for DNA typing?

A. PCR B. gel electrophoresis C. VNTR D. RFLP E. All of these can be used for DNA typing.

Biology & Microbiology

Which organ of the gastrointestinal tract has a large commensal population of microorganisms?

A. Large intestine B. Small intestine C. Pancreas D. Liver E. Salivary glands

Biology & Microbiology

When pH levels in the blood get too low,

chemical buffers are released that return blood pH back to normal levels. This is an example of ___.

a. negative feedback b. positive feedback c. constancy d. sensory perception e. endothermal reactions

Biology & Microbiology

Which of the following is one of the cardinal signs of inflammation?

What will be an ideal response?

Biology & Microbiology