Which of the following statements is true about the function of dna in the body?

The body is protected against harmful flu viruses by

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Which of the following types of stars are dim but can have high surface temperatures? giants main sequence stars supergiants dwarfs