<span>The building blocks for lipids are three fatty molecules and one glycerol molecule.They join to form a simple fat, or triglyceride. Proteins building blocks are amino acids. Amino acids are small molecules that contain carbon, hydrogen oxygen, and nitrogen atoms. Nucleic acids building blocks are nucleotides which are connected to form long chains,</span>
The centromere is <span>the region that joins the two sister chromatids, or each half of the chromosome. In prophase of mitosis, specialized regions on </span>centromeres<span> called kinetochores attach chromosomes to spindle fibers.</span>
Answer:
Embryonic stem cells are capable of self-renewal and limited differentiation
Explanation:
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