The oldest fossil remains of Homo sapiens found so far date from about _____
A) 6 million years ago
B) 1.6 million years ago
C) 195,000 years ago
D) 60,000 years ago
E) 16,000 years ago
Answer: C
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Chromatin is composed of:
A. DNA. B. protein. C. DNA and RNA. D. DNA and protein. E. RNA and protein.
Which of the following is not a pyrimidine?
A. Thymine B. Uracil C. Adenine D. Cytosine
A structure in the brain that bridges the higher and lower brain centers. _____ 7) A portion of the brain that processes all sensory information except olfaction and relays information to the appropriate higher brain centers. _____ 8) This part of the peripheral nervous system regulates involuntary body functions, heart rate, and breathing rate. _____ 9) This portion of the central nervous system governs bodily activities during restful conditions. _____ 10) This part of the peripheral nervous system carries sensory information from the skin, skeletal muscles, and joints to the central nervous system and may also direct voluntary movements. _____
A) Autonomic nervous system B) Pons C) Reticular activating system D) Hypothalamus E) Limbic system F) Corpus callosum G) Parasympathetic nervous system H) Sympathetic nervous system I) Thalamus J) Somatic nervous system
Prokaryotes
What will be an ideal response?