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Questions in biology

[Terjawab] Which of the following statements about proteins is correct? 1. Made up of a polypeptide chain containing amino acids. 2. An asymmetric carbon atom is found between all its amino acids. 3. Two polypeptide chains coil and fold to form a secondary structural protein. 4. Organic solvents cause the protein to lose its unique three-dimensional structure. 5. Myoglobin is a quaternary structural protein.

[Terjawab] 9) The ciliary escalator functions by A) Moving microbes towards the lower respiratory tract B) Killing microbes C) Moving microbes out of the respiratory system D) Moving microbes out from the nasal cavity 10) Which is the most abundant leukocyte? A) Basophil B) Eosinophil C) Neutrophil D) Monocyte 11) Which of the following is classified as an agranulocyte? A) Basophil B) Eosinophil C) Neutrophil D) Monocyte 12) During inflammation there is activation and increased concentration of a group of proteins in the blood called A) Kinins B) Leukotrienes C) Prostaglandins D) Acute-phase proteins 13) Phagocytes may be activated by components of bacteria such as A) Lipopolysaccharides B) Prostaglandins C) Cytokines D) Granzymes

[Terjawab] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Terjawab] "I'm doing surveys for my biology class. Would you help me pass them out tomorrow?" This sentence is an example of which of the four types of expression? A. Observations B. Thoughts C. Feelings D. Needs

[Terjawab] Eutrophication is always the result of human activity. Please select the best answer from the choices provided. A. True B. False

[Terjawab] What percentage of sheep had a body height of 1.2 meters or more 30 years ago? How does it differ from the present data? Does this data support your argument regarding the type of selection occurring?

[Terjawab] Which of the following represents the study of all human genes, which are collectively called the human genome? A. Genetics B. Phenotype C. Genomics D. Genotype

[Terjawab] 1. Why is rennin important to making cheese? 2. Provide a brief overview of how milk transforms into curds and whey and then into cheese. 3. Do some research on another enzyme that humans use. Describe the enzyme's substrates and products, and why this enzyme is helpful to humans. 4. If you could invent an enzyme to catalyze a reaction for you, what reaction would it catalyze and why? Be creative.

[Terjawab] Define scientific literacy and discuss its significance in helping young learners understand the concept of "Bees and Their Importance in Nature." How would you teach the basic principles of observing and understanding bees, such as their role in pollination and their habitats, to foster scientific literacy in the Foundation Phase?

[Terjawab] Which statement is true of succession? A. Most communities never become completely stable. B. Most communities are already completely stable. C. Most communities take hundreds of years to become stable. D. Most communities take thousands of years to become stable.