Plant growth and flowering are strongly controlled by root and stem signal chemicals. Which of the following cell connection transports these molecules between adjacent cells?
A. tight junction
B. plasmodesmata
C. cell wall
D. gap junction
E. anchoring junction
B. plasmodesmata
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A gland that produces alkaline secretions that function to activate sperm and reduce the acidity of the female reproductive system. _____
A) Endometrium
B) Testis
C) Cervix
D) Uterus
E) Oviduct
F) Ovaries
G) Vagina
H) Seminal vesicle
I) Penis
J) Prostate gland
K) Vas deferens
L) Glans penis
In skeletal muscle contraction, ____ directly fuels the movement of the myosin head
a. glucose b. fatty acids c. GTP d. ATP e. an H+ gradient
Which of the following is capable of resetting the thermostat of the body to cause a fever?
A) antigen B) perforin C) complement D) pyrogen
When a woman has her gallbladder removed, she should probably reduce her consumption of _____
A) proteins B) carbohydrates C) fats D) proteins and carbohydrates