Replication of the bacterial ________ is required before the bacterial cell can be duplicated
A) mitochondria B) nucleus C) chromosome D) gamete
C
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Osmosis is the diffusion of water across a membrane in response to the concentration of one or more of the ______
A. solutes B. membranes C. compartments D. cells
Answer the following statements true (T) or false (F)
1) The period between meiosis I and II is termed interkinesis. 2) Crossing-over occurs during prophase I of meiosis. 3) Crossing-over allows the reassortment of linked genes. 4) The region where the homologous chromosomal pairs align is the metaphase plate. 5) Orientation of each chromosomal pair on the spindle axis is random.
Which of the following cell components is not directly involved in synthesis or secretion?
a. ribosome b. rough endoplasmic reticulum c. Golgi body d. smooth endoplasmic reticulum e. lysosome
A major limitation of CRISPER-Cas to treat human disease in vivo is modifying millions of cells. What are the characteristics of successful delivery vehicles?
A) They bind to target proteins. B) They induce an immune response. C) They are carried by erythrocytes. D) They are encapsulated in target cells (via endosomes).