Answer:
Explanation:
The four nitrogenous bases are A, T, C, and G. They stand for adenine, thymine, cytosine, and guanine. The four different bases pair together in a way known as complementary pairing. Adenine always pairs with thymine, and cytosine always pairs with guanine.
Answer:
The polar bear is an animal which is prevalent in the arctic region of the world which is characterized by very cold icy climate.
They adapt to these climatic conditions by maintaining a body temperature of 37°C through its thick fur and tough skin. It also has an insulating fat layer (adipose tissues) which is very thick.
This insulation helps in keeping the animal very warm in extreme temperatures.
Answer:
D. Facts can be scientifically tested.
Explanation:
Facts are true at all times, or else they are not facts. This means that they will be correct when put against the test, whether in an experiment or through history. If it is not consistent, it is not a fact, but a theory.
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to this sequence UUAGCU
This is complementary base pairing rule that DNA Transcription and Replication follow.
D.mitochondria because animal cells also contain mitochondria
