If you were having IVF, what would you choose to do with surplus embryos?
1.donate them to another couple
2.discard them
3.donate them to researchers for stem cell research
4.store them indefinitely
2
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Can pollinator shifts enhance rates of species formation in plants?
A. yes B. no
Which of the following is a protective layer of cell envelope?
A. Pilus B. Glycocalyx C. Ribosome D. Fimbria E. Nucleoid
This type of tissue is described as having lots
of fibroblasts and collagen fibers, provides support for intestinal muscles and forms capsules around kidneys. This type of tissue is
a. dense, irregular connective. b. dense, regular connective. c. cartilage. d. stratified epithelium. e. simple squamous epithelium
A researcher has mapped the entire genome of an insect. She notices that the genome contains around a thousand copies of a particular DNA sequence. What is the most likely function of this DNA sequence?
A. Its function is to code for rRNA. B. Its function is to copy and move within the genome via an RNA intermediate. C. Its function is to provide antibiotic resistance. D. The sequence most likely has no function.