Which type of microscope can be used to observe living cells and tissues?
a. LM
b. TEM
c. SEM
a
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What are some diseases associated with imprinting?
A. Angelman Syndrome B. LHON C. Alzheimer's Disease D. All of the answers are correct
Answer the following statements true (T) or false (F)
1. The law of independent assortment states that the two alleles of the same gene will segregate from each other during gamete formation. 2. Offspring receive both the alleles for a given trait from one parent. 3. A locus encodes different genes in different individuals of the same species. 4. The sex of all animals is determined by chromosomes. 5. If you were to examine a typical population at a single locus, you would find more copies of the wild-type allele than any other allele.
The difference between presumptive and confirmatory data in specimen identification is that
A. presumptive data affords a preliminary identification such as the genus, and confirmatory data identifies the species of the organism. B. presumptive data is more accurate than confirmatory data. C. presumptive data is an educated guess whereas confirmatory data identifies the specific genus and species of the organism. D. presumptive data identifies the species, and confirmatory data identifies the genus of the organism.
An example of a plant disease caused by a basiodiomycete is:
a. chestnut blight. b. Dutch elm disease. c. verticillium wilt on potatoes. d. wheat rust. e. ergot of rye.