BMS 300 Exam 1 (Questions with 100% correct answers)

What is a histone? A. A protein found in prokaryotic cell nuclei that facilitates transport of DNA from inside the nucleus to the cytoplasm. B. A protein found in eukaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. C. A protein found in eukaryotic cell nuclei that facilitates transport of DNA from inside the nucleus to the cytoplasm. D. A protein found in prokaryotic cell nuclei that package and order the DNA into structural units called nucleosomes. correct answers B True/False: Prokaryotes organize their cellular machinery in membrane bound organelles. correct answers False True/False: Excluding mitosis/meiosis, DNA never leaves the nucleus correct answers True Eukaryotic DNA is organized: A. by winding around histones to condense into chromosomes found in the nucleus. B. by winding around ribosomes to condense into chromosomes found in the nucleus. C. by winding around histones to condense into a ring-like struture located in the cytoplasm correct answers A _________________ are the synthesis proteins correct answers Ribosomes _________________ allows RNA to leave the nucleus and enter into the cytoplasm correct answers Nuclear Pores DNA --> RNA --> Protein ='s correct answers The Central Dogma Water molecules are attracted to each other and form ________ bonds. correct answers Hydrogen (: (: (: A bond in which electrons are shared between atoms is a _______ bond. correct answers Covalent Which of the following is NOT true about hydrophilic molecules? A. they interact with the dipole moment in water