A new antibiotic is able to bind the rho (?) factor associated with some transcription processes. As a result, this antibiotic would affect
A) initiation of transcription.
B) elongation of transcription.
C) binding of the RNA polymerase.
D) termination of all transcription.
E) termination of some transcription.
Answer: E
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Answer the following statements true (T) or false (F)
1. Homologous chromosomes are identical copies of each other. 2. Mitotic cell division is never used by organisms as a means of reproduction. 3. A diploid queen honeybee produce eggs by meiosis. Some of these eggs are never fertilized, while the rest are. These unfertilized eggs develop into haploid male honeybee. This can be an example of sexual reproduction. 4. For any given species, cells in metaphase II of meiosis would contain 2X more genetic material than cells in metaphase of mitosis. 5. The karyotype of a normal human male would show a total of 23 pairs of homologous chromosomes.
Nucleic acid sequencing methods are based on:
a. the ability of two nucleic acid strands that have complementary base sequences to bond specifically with each other and form a double-stranded molecule. b. detecting phenotypic traits not detectable by conventional strategies. c. the principles of complementary nucleic acid hybridization with those of nucleic acid replication. d. determining the exact nucleotide sequence of a gene or gene fragment obtained from an organism.
The pages of your textbook consist mainly of material made by multicellular, photosynthetic
organisms that function as producers in ecosystems. These organisms belong to the kingdom ____.
a. Plantae b. Fungi c. Animalia d. “Protist” e. Bacteria
The primary oocyte will mature into a(n) ________
a. sporophyte b. spermatocyte c. gametophyte d. spermatid e. egg