Which molecules are scientists studying to understand the nature of cell control and genetics?
A) Amino acids B) Nucleic acids
C) Phospholipids D) Steroids
B
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The stomach region known as the cardia
A. is a blind pouch. B. is the large, curved central portion. C. is the funnel shaped terminal portion. D. is dome shaped and serves as a storage area. E. surrounds the lower esophageal sphincter.
Which of the following is/are functions of the human nervous system?A) Receiving, storing, and processing information regarding the internal and external environmentsB) Bringing about changes in physiology and/or behavior to promote homeostasisC) Filtering the bloodD) Coordination of movementE) Secreting plasma proteins
What will be an ideal response?
The muscular system consists of the ________
A) skeletal muscles B) muscles of the heart C) muscles in the walls of hollow organs D) skeletal muscles and the muscles of the heart E) muscles of the heart and those in the walls of the hollow organs
Which of the following is paired correctly?
A. Mesoderm: lens and cornea B. Endoderm: digestive mucosa C. Mesoderm: thymus D. Ectoderm: bone marrow