In RNA, uracil is present instead of the thymine in DNA
Indicate whether the statement is true or false
TRUE
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Which of the following correctly describes the reproduction of males in Daphnia?
A) Daphnia males are produced asexually from unfertilized eggs. B) Daphnia males are produced sexually through fertilization of eggs but are sterile from birth. C) Daphnia males are produced from a pseudo-sexual union of two eggs. D) Daphnia males are produced asexually but are sterile from birth.
Answer the following statements true (T) or false (F)
1. Research suggests a link between a mutation in the skin protein filaggrin and allergic reaction. 2. Vaccinating a substantial portion of the population against an infectious disease establishes "herd immunity." 3. Mitosis in a cancer cell can be compared to a runaway train that is racing along without signals and control points. 4. Invasive malignant tumors typically contain mutations that affect the cytoskeleton and allow the cell to move from where it is anchored. 5. Research has shown that a "cocktail" of several drugs, each acting on a different cellular pathway, is the best approach to treat many cancers.
how was EBV-1 discovered?
What will be an ideal response?
The ability of a pathogen to enter a cell, spread, and cause disease is termed
a. pathogenesis. b. invasion. c. colonization. d. adherence.