The symptoms and signs of Friedreich’s ataxia include
all of the following EXCEPT
a. loss of coordination.
b. iron buildup in mitochondria.
c. serious heart problems.
d. abnormally shaped mitochondria.
e. weak muscles.
Answer: d
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Lymphoid tissues are always highly organized cellular complexes.
Answer the following statement true (T) or false (F)
Which of the following is the most primitive group of non-vascular plants?
a. liverwort b. hornwort c. moss d. lycophyta
Two bacterial strains have the same genes for metabolizing a carbohydrate, but one is wild-type for a regulatory inducer while the genetic variant does not produce the inducer. Which of the following statements is CORRECT with regard to the metabolic pathway enzymes?
A) The bacteria have the same phenotype. B) The bacteria have the same genotype but different phenotypes. C) The genotypes and phenotypes of the bacteria are the same. D) The bacteria are phenotypically the same but have different genotypes. E) The answer cannot be determined from the information provided.
What is a chromosomal domain as defined by DNase sensitivity?
What will be an ideal response?