What is true about the lymphatic system?
A. It exhibits peristaltic contractions.
B. It carries all absorbed materials from the stomach and intestines to the liver.
C. It is bidirectional.
D. Fluid moves through the lymphatic system under high pressure.
E. It collects fluid that seeps into the tissues and returns it to the blood.
Answer: E
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Fill in the blank with the appropriate word.
Because small quantities of powerful explosives can be hidden easily, a sensor that could detect trace amounts of illicit chemicals would be a useful tool. What animal sensory modality is exquisitely sensitive to minute quantities of airborne chemicals?
Honeybees have an incredible ability to distinguish thousands of different odorant molecules, using their large repertoire of olfactory receptors. A wide variety of different types of chemicals can be detected as odorants -- they simply require olfactory neurons with a receptor that can bind the chemical and transduce that stimulus into a receptor potential. A. olfaction B. taste C. vision D. hearing E. touch
Which of the following is associated with the light-dependent reactions?
a. stroma b. thylakoids c. carbon dioxide d. glucose
If a parent cell undergoing mitosis has 18 chromosomes, each daughter cell will have _____ chromosomes
Fill in the blank(s) with correct word