Mitochondria and chloroplasts have their own DNA and ribosomes, which supports the endosymbiosis hypothesis

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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Which statement is true about speciation on island archipelagos? 

A. Speciation is slow because it depends on emigration from the mainland. B. Most speciation occurs allopatrically. C. Ecological competition may cause new species to go extinct slowing speciation. D. Speciation by polyploidy is most common. E. Species clusters are less common.

Biology & Microbiology

Somatic cell nuclear transfer is used to create human embryos for research purposes in ____

a. embryo cloning b. embryo splitting c. therapeutic cloning d. artificial twinning e. stem cell cloning

Biology & Microbiology

The medical term for a collapsed lung is

a. hemothorax. b. hydrothorax. c. planothorax. d. pneumothorax. e. brachiothorax.

Biology & Microbiology

________-driven promoters are comprised of an Inr sequence and a TATA box with or without an associated BRE

Fill in the blank with correct word.

Biology & Microbiology