HRS - Ask. Learn. Share Knowledge. Logo

Questions in biology

[Done] Molecules may be assembled into a microscopic structure called a(n) ________, which carries out specific functions within a cell.

[Done] How does the density of ice compare to that of liquid water, and why is this property important to aquatic organisms?

[Done] Punnett Squares are used by geneticists to determine the likely genotypes of the offspring of two parents. True or False?

[Done] _____ is when a heterozygote expresses both homozygous phenotypes simultaneously, rather than expressing an intermediate phenotype. Fill in the blank with the correct term.

[Done] To access the deeper organs, a surgeon needs to cut through a thick layer of tissue connected to bone. What kind of tissue is this?

[Done] Which cell structures in the tail of a tadpole cause it to lose its tail as it grows into an adult?

[Done] The human body can reuse some of the enzymes found in raw fruits and vegetables. Why is this not the case for cooked fruits and vegetables?

[Done] Your classmate will be doing a presentation on evolutionary medicine in science class. What is he likely to discuss? A. The role of natural selection in the development of antibiotic resistance. B. The use of genetic engineering to cure diseases. C. The influence of evolution on human health and disease. D. The application of evolutionary principles to medical research.

[Done] Compare the costs and benefits of solar power to that of nuclear power. Include two costs and two benefits for each. Solar Power: - Costs: 1. High initial installation expenses. 2. Dependence on weather conditions for energy production. - Benefits: 1. Renewable and abundant energy source. 2. Low operational costs and minimal environmental impact. Nuclear Power: - Costs: 1. High construction and maintenance expenses. 2. Concerns over nuclear waste disposal and safety risks. - Benefits: 1. High energy output with low greenhouse gas emissions. 2. Reliable and stable energy production regardless of weather conditions.

[Done] Under a light microscope, a stained cell shows chromosomes lined up along the middle. What will happen next?