The incorporation of DNA into the information transfer system was advantageous because DNA is a(n) catalytic
molecule.
______________ Indicate whether the statement is true or false.
False - stable
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The term angiosperm refers to:
A. the narrow sperm of angiosperms B. the enclosure of the seed within a fruit C. the presence of endosperm D. the branching of vascular veins E. none of the other choices provided
What drug is used in cases of penicillin and methicillin resistance and also used to treat endocarditis?
A. Isoniazid B. Tetracycline C. Erythromycin D. Penicillin G E. Vancomycin
There is an article in your local newspaper about an upcoming Biodiversity Day event at your university. Because, after studying biology, you understand why it's important to conserve biodiversity, you plan to attend
Your younger brother tells you he doesn't understand how the loss of a few species or habitats in town can have any impact on anyone's life. What would you tell your brother? A) A decrease in biodiversity could result in a loss of species that could provide new medicines. B) Directly or indirectly, every species on Earth is necessary for human existence. C) Humans are not part of the web of life, but we must respect it. D) The loss of even one species will cause the collapse of important systems that humans rely on.
Cytotoxic T cells are involved in which of the following action(s)
I. Antigen presentation II. Tumor destruction III. Cell lysis of virus infected cells A. I only B. II only C. I and II only D. II and III only E. I, II and III