5) If a chicken egg were used as a model of a cell, what type of cell would it best represent?

A. a prokaryotic cell, with the yolk representing the

cell membrane

B. a prokaryotic cell, with the yolk representing a

chloroplast

a eukaryotic cell, with the yolk representing the

nucleus

D. a eukaryotic cell, with the yolk representing free

DNA

C.

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen