Hari is experiencing intense pain in one point in his body. Maryam has the perfect solution! She has a wonderful drug that is guaranteed to take away all pain, and she wants Hari to take it before going to the doctor. Why should Hari not take the drug,
according to the information in this chapter?
What will be an ideal response?
Two answers arise from the chapter. The pain prevents him from further injuring himself, and the doctor needs to know where he is hurt so that Hari can be treated.
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The process of _______ removes amniotic fluid from a pregnant mother to examine fetal cells for genetic problems
A. amniocentesis B. chorionic villus sampling C. preimplantation genetic diagnosis D. in vitro fertilization
When soil is dry, guard cells respond to _____ by collapsing against one another, so stomata close
a. air temperature c. abscisic adic b. low humidity d. oxygen
What is the main cause of cancer?
A) DNA replication no longer working properly B) Exposure to carcinogens in the environment C) Old age, during which the cells of the body no longer work properly D) We do not currently know the main cause of cancer.
You attempt deletion mapping of a part of the promoter region of a particular gene. You remove a short sequence of nucleotides. Once the altered DNA is transfected into cells, the cells are able to transcribe the transfected DNA in a normal fashion. What do you conclude?
a) The deleted sequence has a moderate level of importance in promoting transcription. b) The sequence that was removed is not an essential part of the promoter. c) The sequence that was removed is an essential part of the promoter. d) The sequence that was deleted is an important determinant of the ability to transcribe the gene.