there would be either be dna substitutions, deletions or insertions. substitution simply changes the letter. deletion gets rid of a letter. insertion adds another letter.

5 0

3 years ago

Which organism has a central brain? A. hydra B. sponge C. flatworm D. fish

Orlov [11]

The correct answer is D Fish ( someone asked me to explain why d is the answer) A sponge obviously doesn’t have a brain, a hydra is an organism and organisms don’t have brains ( hydra also doesn’t have eyes)

6 0

3 years ago

Read 2 more answers

Match the following.

BartSMP [9]

Explanation:

1. any substance that kills germs

ans. germicide

2. drugs that attack specific bacteria

ans. antibiotics

3. substance that attacks fungi

ans. antifungal agents

4. chemical that destroyed pathogens inside the body

ans. anti-infective

8 0

3 years ago