The first site of starch breakdown in the digestive system is
A. the esophagus.
B. the mouth.
C. in the small intestines.
D. in the stomach.
Answer: B
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Suppose a DNA fingerprinting analysis reveals that DNA from a crime scene matches a suspect’s DNA at four out of
five different loci. What can be concluded from this information?
What will be an ideal response?The main force that moves blood throughout the system of blood vessels is ____
a. arterial blood pressure b. skeletal muscle action c. smooth muscle action d. valve action e. venous blood pressure
The processes of converting DNA into RNA then RNA into proteins is collectively referred to as which of the following?
a. Chargaff’s rule b. Mendel’s law of segregation c. Darwin’s theory of evolution d. the central dogma
The requirement of cold weather before a particular plant process occurs (e.g., germination) is known as ____.
A. the biological clock B. vernalization C. photoperiodism D. biennial life cycle E. perennial life cycle