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Questions in biology

[Answered] Which type of gene is most likely to be widely expressed in the body of someone who has a superficial scrape? A. the gene that controls the production of stem cells B. the gene that controls the production of skin cells C. the gene that controls the production of red blood cells D. the gene that controls the production of cardiac cells

[Answered] A population has 1000 individuals. Over a period of 1 year, 200 new individuals are born. Which equation shows how to calculate the birthrate of this population? A. [tex]$200 \div 1000=0.2$[/tex] B. [tex]$1000 \div 200=5$[/tex] C. [tex]$1000+200=1200$[/tex] D. [tex]$1000 \times 0.2=200$[/tex]

[Answered] The discovery of mitochondrial DNA (mtDNA) had no effect on which area of scientific investigation? A. endosymbiotic theory B. inheritance research C. forensic science D. study of cork bark

[Answered] The era that is defined by both a huge explosion in the diversity of life as well Proterozoic Mesozoic Paleozoic Cenozoic

[Answered] Scan the code to listen to the audio of the Animal Radio show. Dr. Meadow will speak about animal communication. Complete the analogies: a. If a botanist studies plants, then a zoologist... b. If an animal lives in the wild, then it is free; if an animal is confined, then it is... c. If an elephant stands still, then it has perceived a threat; if an elephant spreads its ears, then it will... d. If birds sing to mark their territory, then cats groom each other to...

[Answered] Explain why synovial joints have greater flexibility than fixed and cartilaginous joints.

[Answered] The term respiration refers to: A. The exchange of oxygen and carbon dioxide at the cellular level B. The movement of air into and out of the lungs C. Use of a BVM to help a patient breathe D. Use of high-flow oxygen to open the patient's airway

[Answered] Which of these are by-products of cellular respiration? A. ATP and carbon dioxide B. glucose, carbon dioxide, and water C. ATP, carbon dioxide, and water D. heat, carbon dioxide, and water E. carbon dioxide and water

[Answered] Which of these equations best summarizes photosynthesis? A. [tex]$H _2 O \rightarrow 2 H ^{+}+1 / 2 O _2+2 e ^{-}$[/tex] B. [tex]$6 CO _2+6 O _2 \rightarrow C _6 H _{12} O _6+6 H _2 O$[/tex] C. [tex]$C _6 H _{12} O _6+6 O _2 \rightarrow 6 CO _2+6 H _2 O +$[/tex] Energy D. [tex]$6 CO _2+6 H _2 O \rightarrow C _6 H _{12} O _6+6 O _2$[/tex] E. [tex]$C _6 H _{12} O _6+6 O _2 \rightarrow 6 CO _2+12 H _2 O$[/tex]

[Answered] Which perspective studies the relative contributions of our genes and our environment on our individual differences? A. psychodynamic B. cognitive C. social-cultural D. behavior genetics