Hemoglobin binds strongest to ____
a. oxygen
b. carbon monoxide
c. carbon dioxide
d. carbonic acid
e. bicarbonate ions
ANSWER: b
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Which of these are spore-producing structures?
A) sporophyte (capsule) of a moss B) antheridium of a moss or fern C) archegonium of a moss or fern D) gametophyte of a moss
Which of the following steps in prokaryotic binary fission is INCORRECT?
A. DNA is replicated bidirectionally from a single point on the circular chromosome. B. The two replicated chromosomes remain attached to the plasma membrane. C. The cell continues to grow outward symmetrically, separating the two chromosomes. D. Cell wall material is laid down at the midpoint to separate the two daughter cells. E. Construction of the plasma membrane and cell wall separates the two daughter cells.
What is the main difference between monotremes and eutherians?
A. Monotremes lack the mammary glands that eutherians have. B. Monotremes are ectothermic, while eutherians are endothermic. C. Monotremes lay eggs, while eutherians give birth to live young. D. Monotremes finish developing their young in a pouch, while eutherians develop young in a placenta.
The endocrine system produces hormones in the body and it can be manipulated to cause an individual to change their behavior.
Answer the following statement true (T) or false (F)