<span>Countercurrent oxygen exchange I think
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Answer:
codon → gene → DNA → chromosome
Explanation:
- Codon describes 3 bases (letters) of DNA
- A gene describes a segment of DNA that usually encodes for a particular protein
- A chromosome is a molecule of DNA (hundreds or thousands of genes) compacted and complexed with proteins
Answer: It's about things happen
Explanation:
Answer:
Explanation:
Contagious diseases are spread by contact, while infectious diseases are spread by infectious agents. Something "contagious" is by default "infectious" because contact exposed you to the infectious agent, but something infectious isn't always contagious.
Answer:
When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. Neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron.
Explanation:
Thats all i could think of