Place these genes in their temporal order of expression from earliest to latest during Drosophila development.
A. Bicoid, Gap, Homeotic
B. Homeotic, Gap, Bicoid
C. Homeotic, Bicoid,Gap
D. These genes are not expressed at different times during development. They are expressed at the same time, but in a different spatial order.
E. Kruppel, gooseberry, even-skipped
A. Bicoid, Gap, Homeotic
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The only important role of sunlight in the marine environment is to provide energy for photosynthesis
Indicate whether the statement is true or false
In cases of the “winter blues” treatment with a bright
artificial light can reduce the effects by a. increasing thyroid gland activity. b. decreasing pineal gland activity. c. increasing gonadal output. d. pancreas reduction. e. kidney adrenal gland activation.
Antidiuretic hormone and oxytocin are products of
a. endocrine glands. b. neurosecretory cells. c. blood capillaries. d. the anterior pituitary. e. kidney and uterine wall cells, respectively.
Escherichia coli has not been found to be pathogenic in humans.
Answer the following statement true (T) or false (F)