Q: Just as millions of different words are spelled with our 26-letter english alphabet, millions of different proteins are made with the 20 common what? Choices: - mutation acids - peptides - enzymes - amino acids A:
amino acids

(Question)
Q: What was once believed to be the smallest of all particles, as dalton's theory proposed? Choices: - nucleus - molecule - neutron - atom A:
(Answer)
atom

Ques: Q: The electron transport chains are located on the inner membrane of which organelle? Choices: - chloroplast - lysosome - axon - mitochondrion A:
Ans: mitochondrion

(Q).
Q: Changes in the number of what can lead to disorders like down syndrome? Choices: - prokaryotes - dna - genes - chromosomes A:
(A).
chromosomes

Ques:Q: What do prevailing winds influence? Choices: - weather - temperature - barometric pressure - climate A:

Ans:climate

Q: What is the study of macroscopic properties, atomic properties, and phenomena in chemical systems? Choices: - differential chemistry - thermal chemistry - molecular chemistry - physical chemistry A:
physical chemistry