Oxygen, with an atomic number of 8, is a neutral atom and has ________ electrons in the first electron shell and ________ electrons in the second electron shell

A) 1; 7
B) 5; 3
C) 4; 4
D) 2; 6
E) 3; 5


D

Biology & Microbiology

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Fertilization of a human egg takes place in the _____

A) ovary B) oviduct C) cervix D) vagina E) uterus

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In which layer of a leaf does photosynthesis occur?

a. Stomata b. Thykaloid membrane c. The mesophyll d. Chloroplasts

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A statement such as "If human body temperature increases to a certain level, then critical proteins will be denatured" would most likely be associated with ________

A) inductive reasoning B) deductive reasoning C) a hypothesis D) a conclusion

Biology & Microbiology

A few species of actinomycetes have been found to be pathogenic in humans, other animals, and plants.

Answer the following statement true (T) or false (F)

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