During protein synthesis in eukaryotes, which molecule passes from the nucleus to the cytoplasm and specifies the sequence of amino acids in the new polypeptide?
A. DNA
B. RNA polymerase
C. mRNA
D. rRNA
E. tRNA
C. mRNA
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The term complex as used in the Mycobacterium tuberculosis complex:
a. means that the identification of the organ-ism is complex and is only performed in large reference laboratories. b. is used to describe two or more species whose distinction is complicated and of little or no medical importance. c. refers to a set of organisms that are genet-ically indistinguishable but are phenotyp-ically different. d. refers to different subtypes of the bacteria M. tuberculosis.
Spiny skinned organisms that have a water vascular system belong to the phylum:
a. Echinodermata. b. Chordata. c. Bryozoa. d. Arthropoda. e. Mollusca.
Why are apple trees propagated asexually?
a. the process is much easier than growing them from seeds
b. it is the only way to grow the same reliable quality of apple c. asexual propagation introduces genetic variation that makes the trees hardier d. asexually propagated apple trees are more disease resistant e. more than one of these is the reason why apple trees are asexually propagated
There is no mechanism to ensure the exact partitioning of the cytoplasm as there is of the DNA.
Answer the following statement true (T) or false (F)