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Questions in biology

[Answered] Which connective tissue structure surrounds individual muscle fibers? A) Perimysium. B) Endomysium. C) Epimysium. D) Fascia.

[Answered] Select the best answer for the question. An organism takes care of its young and produces few offspring. What type of organism is this? A. L-strategist B. R-strategist C. S-strategist D. K-strategist

[Answered] Which of the following enzymes joins DNA strands such as Okazaki fragments, forming covalent bonds between adjacent nucleotides? A) DNA polymerase B) RNA polymerase C) DNA ligase D) DNA gyrase

[Answered] Cell walls of bacteria contain: A. N-acetyl glucosamine B. Muramic acid C. Diaminopimelic acid D. All of the above

[Answered] According to the cell theory, which structure contains cells? A. blood B. water C. carbon dioxide D. chromosome

[Answered] How does the arrangement of thick and thin filaments contribute to muscle contraction? A. Thin filaments elongate to accommodate muscle contraction. B. The sliding of thin filaments past thick filaments shortens the sarcomere. C. Thick filaments pull apart from each other during contraction. D. Thick and thin filaments contract simultaneously, pulling muscle fibers together.

[Answered] Gray matter in the brain, which is reduced as we age, is responsible for which of these? A. organization and planning B. memory C. inhibitions D. processing new experiences

[Answered] A group of three nucleotides is called a(n) A) Codon B) Anticodon C) Exon D) Intron

[Answered] How many Great Indian Bustards are left in the world now?

[Answered] Which of the following processes is the complete removal of micro-organisms using heat, ionizing radiation, or chemicals? A. Sterilization B. Disinfection C. Medical asepsis D. Sanitization