An atom whose atomic number is 10 has how many electrons in its outermost energy level?
A) ten B) three C) five D) eight E) two
Answer: D
You might also like to view...
A ____ depicts the flow of carbon through an ecosystem, whereas a ____ depicts the transfer of energy
Fill in the blank with the appropriate word.
Which of the following is an example of alternation of generations?
A) A grandparent and grandchild each have dark hair, but the parent has blond hair. B) A diploid plant (sporophyte) produces, by meiosis, a spore that gives rise to a multicellular, haploid pollen grain (gametophyte). C) A diploid animal produces gametes by meiosis, and the gametes undergo fertilization to produce a diploid zygote. D) A haploid mushroom produces gametes by mitosis, and the gametes undergo fertilization, which is immediately followed by meiosis.
Which of the following places these items in the correct order for DNA-virus replication? 1. Maturation 2. DNA synthesis 3. Transcription 4. Translation
A) 1; 2; 3; 4 B) 2; 3; 4; 1 C) 3; 4; 1; 2 D) 4; 1; 2; 3 E) 4; 3; 2; 1
Exposure to a teratogen during pregnancy can result in ____
a. decreased risk of miscarriage b. newborns of higher birth weight c. reduced vitamin C levels for the mother-to-be and for her fetus d. fetal facial and cranial deformities e. increased risk of rubella