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Questions in biology

[Terjawab] Comparison: Create a table or Venn diagram to compare and contrast the two methods of asexual reproduction in plants.

[Terjawab] What do all fish have in common? A. Fish are warm-blooded, have scales and breathe through their gills. B. Fish lay eggs, have a backbone, and breathe through their gills. C. Fish have scales, a backbone, and breathe through their gills.

[Terjawab] The lock-and-key mechanism refers to A. the complementary shapes of an enzyme and a substrate. B. the attractive forces between an enzyme and a substrate. C. the ability of an enzyme to lower the activation energy of a reaction. D. the ability of an enzyme to "unlock" the products of a reaction.

[Terjawab] 1. Put a (✔) for true and a (x) for false. Give a reason for your answer. a. All animals move with legs. Reason __________________________ b. Plants do not move from place to place, but their body parts may move. Reason __________________________ c. Living things get energy from food. Reason __________________________ d. Air is necessary for living things. Reason __________________________ e. When you feel cold you wear a sweater, but a cow cannot do this. Therefore a cow is not a living thing. Reason __________________________ f. Plants cannot breathe. Reason __________________________ g. All plants reproduce and seeds. Reason __________________________ h. Plants do not have sense organs, so they cannot feel. Reason __________________________

[Terjawab] Arrange the organization of life from simple to complex. A) Cells, tissues, organs, organ systems B) Organ systems, organs, tissues, cells C) Tissues, organs, cells, organ systems D) Tissues, cells, organs, organ systems

[Terjawab] Which characteristic led Whittaker to place fungi in a separate kingdom rather than with plants? A. Multicellular organization B. Heterotrophic mode of nutrition and chitinous cell walls C. Use of spores for reproduction D. Presence of nucleus

[Terjawab] Herbarium is a collection of plant species. Prepare a herbarium for any five types of crop. Try and collect two specimens of each type of crop. Paste any part like seeds, leaves, stems or fruit in your herbarium file with their Scientific and common name.

[Terjawab] What tissue is important in conserving body heat? A. The dense connective tissue in the dermis. B. The areolar tissue of the papillary layer. C. The stratified epithelium in the epidermis. D. The adipose tissue in the subcutaneous layer.

[Terjawab] Drugs that work by binding to their target protein but do not activate or cause a response, thereby blocking the receptor and normal function, are known as: A. Target proteins B. Agonists C. Ace Inhibitors D. Antagonists

[Terjawab] The majority of drugs which act on enzymes act as: A. Inhibitors B. Drugs do not act on enzymes C. Excitatory actions D. Have no effect