In many ecological communities, one common species can function as a foundation species, defining
the nature of a community by creating locally stable environmental conditions
Indicate whether the statement is true or false.
T
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Order the following genomes from smallest to largest
i. Mus musculus ii. Homo sapiens iii. Escherichia coli iv. Saccharomyces cerevisiae v. Drosophila melanogaster A. iii, v, iv, i, ii B. iii, iv, v, i, ii C. iv, iii, v, ii, i D. iv, v, iii, ii, i E. v, iv, iii, ii, i
Answer the following statements true (T) or false (F)
1. During inflammation, blood vessels are constricted to prevent leakage. 2. IgA antibodies are involved in innate immunity. 3. PAMP is an enzyme involved in creating immunoglobulin light chains. 4. Most bacteria damage the body by infecting cells, multiplying within cells and killing cells.
Sister chromatids separate from each other during _____
A) meiosis I only B) meiosis II only C) mitosis and meiosis I D) mitosis and meiosis II
A human nerve cell that has an abnormal shape most likely has a defective
A. cell wall. B. cytoskeleton. C. nucleus. D. ribosome.