IdeasCuriosas - Every Question Deserves an Answer Logo

Questions in biology

[Answered] What affect would a damaged thylakoid membrane have on photosynthesis? A. The damage would affect the flow of electrons through the mitochondria. B. A damaged thylakoid would affect ATP synthesis. C. The damage to the thylakoid would affect the absorption of oxygen. D. The sodium-potassium pump would be affected by a damaged thylakoid.

[Answered] When developing an experimental design, which action would improve the quality of the results? A. Ensure that it answers a question about cause and effect. B. Keep the sample size of test subjects to a minimum. C. Have a different researcher make the measurements. D. Include as many responding variables as possible.

[Answered] Which of the following best defines a gene pool? A. the sum of all genetic traits in a population's individuals at a given time B. any movement of genes from one population to another C. any movement of organisms from one environment to another D. the random change in the frequency of an allele in a population

[Answered] Which represents the cross between parent plants if one is heterozygous and has yellow-colored pods and the other is homozygous and has green-colored pods? $Y_y{ }^{\prime} y y$ $Y^{\prime} y y$ $Y_y{ }^{\prime} Y_y$ $y y^{\prime} y y$

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

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

[Answered] The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution. | | | | :------------------------------------- | :---------------------------- | | Paramecium Contractile Vacuole Cortractions | | | Sat concentration outside paramecium | Contractions per minute | | Very high | 2 | | High | 8 | | Medium | 15 | | Low | 22 | | Very low | 30 | If this data is shown in a bar graph, which description accurately represents the bars? The graph has five bars of equal height.

[Answered] The method of fertilizer application include the following except: A. Broadcasting B. Ring method C. Top dressing method D. Spraying

[Answered] Groups of bones serve as attachment sites for: A. smooth muscles B. cardiac muscles C. skeletal muscles

[Answered] Men and women have slightly different endocrine systems. (i) Name the organs in the endocrine system that are different for males and females. Male Female (ii) These organs also form part of the reproductive system. What is the main function of this system?