In a normal Drosophila embryo, a gap gene called Krüppel is expressed in the anterior end because it is activated by Hunchback protein, and this region contains a high level of Hunchback

A. true
B. false


B

Biology & Microbiology

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Carrier-mediated transport is also called  

A.  facilitated diffusion. B.  active transport. C.  exocytosis. D.  endocytosis. E.  phagocytosis.

Biology & Microbiology

Which of the following organisms are classified within the protists under algae?

A. Dinoflagellates B. Diatoms C. Seaweeds D. All of the above are types of algae

Biology & Microbiology

In a urine analysis, acidic urine can indicate

a. metabolic problems. b. an infection. c. malfunctioning kidneys. d. prostate cancer. e. bladder cancer.

Biology & Microbiology

Denaturation of a protein is always permanent

Indicate whether the statement is true or false

Biology & Microbiology