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Questions in biology

[Answered] The development and spread of a new gene for antibiotic-resistance in a population of bacteria that are exposed to that antibiotic would mean that trait is a(n) A. disruptive trait B. swapped gene C. consistent phenotype D. stabilizing trait E. adaptation

[Answered] What is the value of a transitional fossil? A. Transitional forms show the evolutionary steps between species. B. Transitional forms are analogous fossils. C. Transitional forms discredit the theory of evolution. D. Transitional forms are proof of punctuated equilibrium in evolution.

[Answered] The organic components of bone provide: A. inflexibility B. calcification C. resistance to stretching D. hardness

[Answered] Describe how a child is a combination of the traits of both parents. How does each parent contribute their traits? Will every trait from each parent appear in the child? What type of reproduction resulted in you? Write your response below in complete sentences.

[Answered] Which method is most likely used to identify what happened before the start of the Paleozoic era? A. Scientists study fossils from the Jurassic period. B. Scientists observe index fossil records of the Mesozoic era. C. Scientists examine fossil evidence during the Precambrian time. D. Scientists explore the emergence of mammals and humans in the Cenozoic era.

[Answered] Which joints can have a broad ligament sheet called an interosseous membrane? A. synchondroses B. sutures C. syndesmoses

[Answered] What type of ion channel is depicted? 1. Voltage-gated K+ channel 2. Voltage-gated Ca 2+channel 3. Active K transporter 4. Ligand-gated K channel 5. Ligand-gated Ca 2+channel

[Answered] Which factor of the physical environment is changed when fertilizers are added to the soil? A. amount of minerals B. amount of water C. change in pH

[Answered] Spherical cells of various sizes were observed under the microscope and their diameters recorded. Predict which of the following cells will require the greatest amount of time to move nutrients through its cytoplasm. A. 8μm diameter B. 5μm diameter C. 1μm diameter D. 2μm diameter

[Answered] What do you call the connective tissue that holds bones together? A. ligaments B. lamella C. aponeuroses D. glue