Answer:
Are microscopic
Are single celled
Have shapes that include sphere, rod, and spiral
Do not have nuclei and membrane-bound organelles
Explanation:
Answer:
secondary structure ... hydrogen bonds...
Explanation: Some regions of a polypeptide may coil or fold back on themselves. This is called secondary structure, and the coils or folds are held in place by hydrogen bonds.
Hi there!
Question - What changes igneous or sedimentary rock into metamorphic rock?
Elite Answer - A heat and pressure
Why - Due to immense and heat and pressure it can change igneous or sedimentary rock into metamorphic rock.
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Answer:
For example, a forest of trees and undergrowth plants, inhabited by animals and rooted in soil containing bacteria and fungi, constitutes a biological community. A brief treatment of biological communities follows. ... The various species in a community each occupy their own ecological niche.
