Which of the following is a difference between DNA and RNA?

A) RNA contains lipids

B) Most types of RNA are double stranded.

C) They have different sugars

D) RNA has thymine

How do ice cores, tree rings & index fossils provide valuable information about the past?

Which of the following distinguishes prophase 1 of meiosis from prophase of mitosis? A. homologous chromosomes pair up B. spindle forms C. nuclear membrane breaks down D. chromosomes become visible

A primary care provider notes painless, hard lesions on a patient's external ears that expel a white crystalline substance when pressed. what diagnostic test is indicated?

What is the main reason that atoms bond with other atoms

How many calories in a coke

What did darwin call the "preservation of favorable variations and the elimination of injurious variations"?

A mutation in GLUT4 changes the Kt value from 5 mM (wild type) to 3 mM (mutant). The velocity of glucose entry into a mutant cell would be higher than a cell expressing the wild type version at a blood glucose concentration of 5mM. A) TRUE. B) FALSE.

Hich of the following is an advantage of asexual reproduction? A. No mate is required. B. It increases genetic diversity. C. More time is required. D. More energy is required.

Question 18 Which term best describes the diagram below? Eye color Blood type . Hair color Growth

Why did mendels use characteristics that only had 2 options? how did this aid in the development of his theories?