Which of the following is the most basic level of chemical organization?
a. cell
b. molecule
c. atom
d. tissue
e. organism
C
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Which of the following is true regarding the amniotic egg of snakes, turtles, etc.?
A. Fertilization must take place after the egg has formed. B. The egg is impermeable to gases such as oxygen or carbon dioxide. C. The egg is vulnerable to desiccation (water loss). D. The embryo's nutritional needs are met by a large yolk or placenta.
Which statement about this diagram is true?
a. The chromosomes of a human egg cell are shown.
b. The colors correspond to chromatin density.
c. The chromosomes arranged by size and order are the karyotype.
d. The chromosomes of a prokaryote cell are shown.
Manganese nodules are actively mined from the sea today
Indicate whether the statement is true or false
Flexors are what?
What will be an ideal response?