Recent evidence suggests that hydrogenosomes and mitochondria evolved from different endosymbiotically derived organelles.
Answer the following statement true (T) or false (F)
False
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Answer the following statements true (T) or false (F)
1. Prokaryotic genomes often contain a circular chromosome with hundreds of thousands of genes and highly repetitive DNA. 2. In humans, the genome is made up of 22 autosomes and 1 sex chromosome. 3. On rare occasions, transposable elements contain a central region that encodes transposase, an enzyme that facilitates the actual transposition. 4. At the time that transposable elements were discovered by Barbara McClintock, many of her colleagues agreed with her discovery.
Salts are removed from the oceans primarily by
a. absorption by living organisms. b. removal by sea spray. c. evaporation. d. adsorption onto particles.
When the RNA primers are removed from the 5' ends of eukaryotic chromosomes after replication, DNA polymerase is unable to fill in the gaps. What prevents the chromosomes from getting shorter and shorter with each round of replication?
What will be an ideal response?
What term is used to indicate the ability of a cancer to invade other parts of the body and to produce secondary tumors?
a. Angiogenesis b. Metastasis c. Carcinogenesis d. all of the above