Maria was scratched on her arm by her cat and the site is experiencing rubor. This means

A) Redness
B) Loss of function
C) Swelling
D) Warmth
E) Pain


A) Redness

Biology & Microbiology

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Which species is considered most ancient?

a. Homo erectus b. Australopithecus afarensis c. Australopithecus africanus d. Homo sapiens e. Sahelanthropus tchadensis

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The myofibrils contain two protein filaments that contract the muscle. Of these, the ________ are the thinner filaments

Fill in the blank(s) with correct word

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Which of the following enzymes is associated with "transcription factories" in the nucleus?

A) RNA polymerase II B) RNA polymerase I C) DNA polymerase III D) transcriptomes E) reverse transcriptase

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Most of the Earth's phosphorus is trapped in sedimentary rocks.

Answer the following statement true (T) or false (F)

Biology & Microbiology