Single-celled organisms known as diatoms have glasslike walls and are a type of algae.
Answer the following statement true (T) or false (F)
True
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__________ are the main components of cell
membranes. a. Triglycerides b. Phospholipids c. Unsaturated fats d. Steroids e. Fatty acids
In cases where global temperature increase results in increased resource availability,
A) population sizes are shrinking. B) average body sizes are decreasing. C) average body sizes are increasing. D) average limb lengths are decreasing.
Suppose you are comparing the outside and inside halves of a cell membrane's phospholipid bilayer. Which of the following describes the composition of the lipids on the two surfaces?
a. symmetrical but not identical composition b. asymmetrical composition c. highly random and varied composition d. identical composition
A transcription start signal is called a(n)
A) origin. B) start site. C) initiation codon. D) promoter. E) nonsense codon.