What law of genetics is it when chromosomes are lined up randomly at the metaphisial plate

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment

When the solution concentration on the outside of a cell is greater than thesolution concentrate on the inside of the cell, what type of solution is the cellwithin?