1.), missing links
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Thermometers must be returned to the manufacture for routine calibration
Answer:
Steps are given below.
1) Pollen lands on the stigma of the flower.
2) A pollen tube grows down through the style to the ovary.
3) A sperm cell fuses with an egg in the ovule.
Explanation:
First the pollens fall from anther of the male part on the stigma of the female part of the flower. After that, the pollen reached to the ovary through pollen tube. Then the sperm cells of male combine with the egg of female forming a zygote (seed).
Answer:
a protein
Explanation:
amino acids are the monomers of proteins
Answer:
Chromosome. a structure made of DNA that gives the master instructions for a cell.