Answer the following statements true (T) or false (F)
1.Human sperm swim to the egg.
2.The second stage of prenatal development is the fetal stage.
3.Stotting and mobbing are altruistic behaviors used by certain animals to warn others of danger.
4.Ethologists asking "why"-type questions in their studies are studying proximate causes of animal behavior.
5.Ethologists asking "how"-type questions in their studies are studying proximate causes of animal behavior.
1.TRUE
2.FALSE
3.TRUE
4.FALSE
5.TRUE
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The mRNA that would most likely have the longest half-life would:
A. containan exon junction complex bound downstream of a stop codon. B. lack a stop codon. C. containan AU-rich element in the 3'-UTR. D. containone or more hairpin structures.
The different proteins characteristic of breast cancer subtypes can be used as _____ for proper diagnosis and treatment
a. prebiotics b. biomarkers c. DNA clones d. bioinformatic data e. physical maps
Volcanoes release carbon dioxide into the air during an eruption in what form?
a. carbon dioxide b. carbon monoxide c. methane d. ethane
Discuss the difficulties in studying the genetics of human behavior traits What will be an ideal response?