Which of the following is NOT true of the nuclear envelope?
a. single lipid bilayer
b. continuous with endoplasmic reticulum
c. possesses pores
d. controls passage into and out of nucleus
e. separates DNA from cytoplasm
A
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Without elephants, African grasslands convert to forests or to shrublands. Which of the following phrases are true statements about the elephant? Check all that apply.
_____ The elephant is a keystone species. _____ If elephants went extinct, other species in the area would be unaffected. _____ Elephants graze on young shrubs and trees. _____ Elephants are the most abundant species on the grassland. _____ Grazing antelope depend on the presence of the elephant. Additional: Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about the concept of keystone species? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The organ system that is responsible for the physical and chemical breakdown of food and for the absorption, processing, and release of digestive products.
A) Muscular
G) Respiratory
B) Reproductive
H) Skeletal
C) Digestive
I) Nervous
D) Cardiovascular
J) Endocrine
E) Integumentary
K) Lymphatic
F) Urinary
Which of the following is NOT characteristic of a coliform?
A) facultatively aerobic B) gram-negative C) rod shaped D) resistant to chlorination
Which of the following is not true of type III hypersensitivity?
A. Serum sickness is a systemic response. B. It involves an immune complex reaction. C. Antigen-antibody complexes are deposited in the basement membrane of epithelial tissues. D. It involves production of IgE antibodies. E. The Arthus reaction is a local response.