What are the protobionts produced by abiotically produced polypeptides?
a. polybionts
b. prokaryotes
c. microspheres
d. peptidebionts
e. stromatolites
c
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The molecule of the extracellular matrix of animal cells that is associated with joint lubrication and friction reduction is
A) glycosaminoglycan. B) proteoglycan. C) hyaluronate. D) pectin. E) fibronectin
Why would a diet containing unsaturated fats that form triglycerides be better for an athlete when considering energy levels and health?
A. Unsaturated fats are packed closer together, making them higher in energy storage levels and fluid within the body. B. Saturated fats have double bonds, making them harder to break down for energy release and creating artery clogging structures. C. Saturated fats are packed closer together, making their breakdown for energy release less efficient and forming unnecessary fat deposits. D. Unsaturated fats have a linear structure, making them easy to break down and releasing high amounts of energy when glucose levels are low.
The menstrual flow is the result of
a. no implantation of a zygote. b. decreased levels of progesterone. c. discarded uterine lining. d. no implantation of a zygote and discarded uterine lining. e. no implantation of a zygote, decreased levels of progesterone, and discarded uterine lining.
What would be the growth rate (r) of an island population of 1000 that has 30 births per 100
population, 20 death per 100 population, 5 immigrants per 100 population, and 10 emigrants per 100 population? a. +5 b. ?50 c. +50 d. ?150 e. +150