This is because iron is used to make a protein called hemoglobin. This protein helps blood cells carry oxygen around the body.
Answer:
Membrane B, because it is composed of unsaturated fatty acids that have one or more bends, which prevent tight packing.
Answer:A
Homozygous means both alleles are the same. This leaves A and B
Only choice A has heterozygous(different) alleles for offspring,so it is the right answer
Answer:
Fossil is unable to change
Explanation:
The natural selection among peppered moths of Manchester, England can be mainly attributed to to the abruptly increasing levels of Air Pollution in England as a result of thriving Industrial Revolution In the U.K.
Soot from power producing factories, etc resulted in complete eradication of lichens in the flora of the surrounding region.
The frequency of the newly evolved peppered moth increased as the dark colour was beneficial in a polluted environment like in Manchester.
