The stalk-like support for a leaf is called a(n)
A. blade.
B. node.
C. internode.
D. companion cell.
E. petiole.
E. petiole.
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Read the following scenario to answer the following question. Cellular respiration converts the energy of fuel molecules to a form of energy that a cell can use to perform work. In an average day, most adult humans need to consume about 2,000 Calories to maintain their health. However, the exact amount of dietary Calories a person needs depends upon many factors, including the person's age, physical activity, size, and health. Foods that we consume vary greatly in their nutritional content and quality. A large hard-boiled egg, for example, has about 75 dietary Calories and contains about 70% of our recommended daily intake of cholesterol. If a person eats one hard-boiled egg and digests the egg fully, cellular respiration will convert most of this energy into ________.
a. carbon dioxide b. sugars c. heat d. ATP e. none of the above
Within a myofibril, the distance from one Z line to the next is called a(n) __________
Fill in the blank(s) with the appropriate word(s).
Blood bypasses the fetal liver through the ____
a. umbilical arteries b. umbilical veins c. ductus venosus d. foramen ovale e. ductus arteriosus
Which of the following function in agglutination?
A) IgA antibodies B) IgG antibodies C) IgE antibodies D) IgD antibodies E) IgA and IgG antibodies