A cataract is an eye problem involving the lens of the eye becoming cloudy. It can be treated by a simple operation
which removes the lens. After the operation, the patient is able to see again, but will probably need to wear glasses.

(a) Explain why the eye can still form an image after the lens has been removed.

b) Will the operation affect the patient's ability to see in dim
light? Explain your answer.

What is the importantence of the carbon and nitretan cycles in the environment

{answer found. it's (3 ) }which statement describes the cell cycle? (1)the cell cycle is a process in which one cell divides into four genetically different cells. (2)the cell cycle is a process in which one cell divides into two genetically different cells. (3)the cell cycle is a process in which one cell divides into two genetically identical cells. (4)the cell cycle is a process in which one cell divides into four genetically identical cells.

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.