Skin testing with antigen is used to diagnose ringworm.
Answer the following statement true (T) or false (F)
False
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What is the sequence of the template DNA used for this sequencing reaction?
You performed a Sanger sequencing reaction and obtained the following read. In this figure, A = green, C = purple, G = black, T = red. The height of the peaks is unimportant. The smallest molecule is at the left of the trace.
A) 5' TTTGCTTTGTGAGCGGATAACAA 3'
B) 3' TTTGCTTTGTGAGCGGATAACAA 5'
C) 5' AAACGAAACACTCGCCTATTGTT 3'
D) 3' AAACGAAACACTCGCCTATTGTT 5'
Each time a diatom reproduces sexually, the size of the daughter cells decreases until diatoms are about 30% of their original size. At this point, they begin to reproduce asexually.
Answer the following statement true (T) or false (F)
In Drosophila, the hunchback gene encodes a protein (HB) that has a role in the development of the thorax. In the zygote and embryo, the expression of hunchback is stimulated by high concentrations of Bicoid protein. Which of the following is accurate about the expression of hunchback in the Drosophila embryo?
A. The HB protein is produced throughout the embryo. B. The HB protein is produced only in the anterior half of the embryo. C. The HB protein is produced only in the posterior half of the embryo. D. The HB protein is produced in the middle of the embryo; but is not produced in the anterior or posterior end. E. No HB protein is produced in the embryo.
Which hormones are produced by the hypothalamus but secreted by the posterior pituitary gland?
A. oxytocin and antidiuretic hormone. B. thyrotropin-releasing hormone and corticotropin-releasing hormone. C. prolactin and growth hormone. D. prolactin and vasopressin. E. follicle-stimulating hormone and leutenizing hormone.