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Questions in biology

[Terjawab] Which of the following would most likely NOT be a part of feces? A. bacteria B. sloughed-off gastrointestinal cells C. fiber D. sucrose

[Terjawab] Many scientists have argued that this point in human history marks the onset of Earth's sixth mass extinction event. What is the suspected cause of this current mass extinction? A. Volcanoes B. Humans C. Ice ages D. Asteroids

[Terjawab] Go to the CDC flu website, which contains information about the flu’s symptoms, spread, and vaccination information. Clicking the box About Flu will take you to a new page, with flu season categories highlighted on the left. Use the information in this section to write a statement of one to two paragraphs that answers the following questions.

[Terjawab] Which structure of the eye refracts, or changes, the direction of light rays after they enter the eye? A. Pupil B. Sclera C. Cornea D. Choroid

[Terjawab] 78. Which of the following is a vestigial organ? a) Wings of Pigeon b) Wings of Ostrich c) Wings of Butterfly d) Patagium of bat 79. Which of the following phylum is heemacoelomate? a) Respiration b) Digestion c) Excretion d) Osmoregulation

[Terjawab] Which of these is NOT a product of the citric acid cycle? A. [tex]$NADH + H ^{+}$[/tex] B. acetyl CoA C. ATP D. [tex]$FADH _2$[/tex] E. [tex]$CO _2$[/tex]

[Terjawab] Your brain is not involved in regulating different aspects of personality and bodily functions. a) true b) false

[Terjawab] (c) (i) State four physical properties of water. (ii) State three methods of improving upon the quality of water for domestic use. [5 marks] (d) (i) Name two organisms involved in the nitrogen cycle. (ii) State three ways in which the nitrogen cycle is important to living organisms. [5 marks]

[Terjawab] In this assignment forum, you will consider how nature and nurture contribute to adolescent brain development. Instructions: Describe two major changes in brain anatomical structure and/or activity that characterize the adolescent brain. Discuss how these changes might affect adolescent behavior. Include a discussion of how experience might affect the developing brain. This is often referred to as "developmental plasticity." Discuss sex differences (differences between males and females) in the adolescent brain. Do you believe these differences are correlated with differences in behavior? Conversely, do you think that nurture is solely responsible for behavioral differences between males and females? Explain your answer.

[Terjawab] Which best matches a type of genetic material with its description? A. Nucleotides form a helical structure that is called a gene. B. Genes combine to form structures called nucleotides. C. Chromosomes create genes. D. DNA is located in the nucleus.