Which structural component is found in DNA but not in RNA?

ribose

deoxyribose

phosphate group

nitrogenous base

Ethidium bromide is a common intercalating agent used to visualize DNA in electrophoresis gels by associating with the DNA in the gels and fluorescing under UV light to reveal bands. How does ethidium bromide associate with the DNA?

How does the neural transmission compared to the endocrine signal transmission

Progressive muscle relaxation suggests that tension and relaxation are not mutually exclusive. a. True b. False

What is the role of the molecule above in DNA cloning? A. To carry the foreign DNA into the host cell B. To identify the source of DNA as foreign C. To identify the host cell that has taken up the gene of interest D.

3) Atoms in the same family on the periodic table have ___ numbers of valence electrons & ___ properties a) dissimilar, dissimilar b) dissimilar, similar c) similar, similar d) similar, dissimilar

A cell begins to send out incorrect chemical signals to neighboring cells. During which phase of the cell cycle did the cause of the change most likely happen? G1 phase G2 phase M phase S phase

Which of these organisms needs care from its parents after birth? A. frog B. turtle C. mouse D. snake

Variant Creutzfeldt-Jakob disease, listeriosis, anthrax, and E. coli 0157-H7 infections all have which of the following in common? a. All four diseases can be transmitted from cattle to humans b. All four diseases are caused by bacteria c.

Which layer of skin contains a large amount of adipose tissue?

1. The role of an organism in the ecosystem 1 Called to species niche mos habitat environment