________ is prevented from reinitiating chromosome replication by ________, which strongly binds hemimethylated oriC
a. SeqA / DnaA-ATP
b. HdaA / MinD
c. DnaA-ATP / SeqA
d. GATC / HdaA
Answer: C
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Match the neuron structure on the left with its function or property on the right.
A) concentrated in regions of electrical activity B) neurotransmitter vesicles C) junction between one neuron and another D) nucleus and other organelles E) axon cytoplasm F) oligodendrites and Schwann cells G) conduct signals inward H) conducts signals outward I) conduct signals outward 1) myelin sheath 2) cell body 3) dendrites 4) axon 5) synaptic boutons 6) nodes of Ranvier 7) axoplasm 8) synapse
When salt dissolves in water as illustrated in the figure above, the water molecules form ____ around
the Na+ and Cl? ions.
a. covalent bonds b. hydration layers c. nonpolar interactions d. membranes e. ionic bonds
In humans, how does spermatogenesis differ from oogenesis?
a. Spermatogenesis involves meiosis, while oogenesis involves mitosis. b. Spermatogenesis produces fewer numbers of gametes. c. Spermatogenesis begins at birth, while oogenesis begins at puberty. d. Spermatogenesis continues throughout life, while oogenesis ends at menopause.
When oxygen is present
A) most bacteria and yeasts carry on fermentation. B) most animals convert CO2 to glucose. C) most animal cells carry on fermentation and produce lactate. D) two ATP molecules are produced for each glucose molecule. E) most animal cells utilize aerobic cellular respiration.