Which oraganelles are found in plant cells ,but not animal cells? a. vacuole and mitochondria b. chloroplast and cell wall c. ribosome and nucleus d. cytoskeleton and cytoplasm

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 label correctly identifies what x represents in the concept map?

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?