The stalk-like support for a leaf is called a(n)

A. blade.
B. node.
C. internode.
D. companion cell.
E. petiole.


E. petiole.

Biology & Microbiology

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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

Biology & Microbiology

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).

Biology & Microbiology

Blood bypasses the fetal liver through the ____

a. umbilical arteries b. umbilical veins c. ductus venosus d. foramen ovale e. ductus arteriosus

Biology & Microbiology

Which of the following function in agglutination?

A) IgA antibodies B) IgG antibodies C) IgE antibodies D) IgD antibodies E) IgA and IgG antibodies

Biology & Microbiology