Programmed cell death is known as ____.
A. autophagy
B. mitosis
C. apoptosis
D. meiosis
E. cell genesis
C. apoptosis
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The use of ________ is the easiest and most effective way of studying many animal and plant viruses
A) bacterial cultures B) tissue or cell culture C) live hosts D) prophages
Match the environmental agent with the type of DNA damage it causes
a. X-rays b. UV radiation c. tobacco smoke d. exposure to oxidizing agents such as household bleach or hydrogen peroxide _____ Addition of bulky sidegroups that hinder proper base pairing _____ Loss of a base from one of the deoxyribose sugars, resulting in a gap in one DNA strand _____ Breaks in one or both of the sugar-phosphate backbones _____ Cross-links between adjacent pyrimidine bases What will be an ideal response?
Organisms other than bacteria make up the microbiota; non-bacterial microbes that occupy the respiratory tract include ________.
A. Acinetobacter B. Prevotella C. Candida D. Pseudomonas E. Staphylococcus
What structure prevents water from moving between cells of the endodermis of the plant root?
a. Casparian strip b. Okazaki fragments c. sclerids d. collenchyma e. sclerenchyma