C. The palms are on the anterior surface of the hand.
High blood levels of the amino acid homocysteine
have been linked to increased risks of cardiovascular disease.
<span>Cardiovascular disease is a disease related
to heart, in which vessels become narrowed or blocked and these can lead to
heart attack or stroke.
Homocysteine is an amino acid and its important source
is meat, we get this from eating meat and when the level of these amino acid
increases in the blood, it leads to heart disease.</span>
Sheets
Explanation:
Silicon - oxygen tetrahedra in clay minerals are arranged in form of sheets. In clay minerals the silica tetrahedra is classified as a sheet silicate.
- The layers are arranged on top of one another like leaves of books.
- There are different arrangement of silicate structures in different minerals.
- In some minerals like quartz, they are interlocked forming a framework pattern.
- Examples of clay minerals are phlogopite, montmorilloinite, e.t.c
Learn more:
Silicate minerals brainly.com/question/4772323
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Well, when chromosomes cross over during prophase 1 of meiosis, the homologous pair of chromosomes exchange segments of DNA which happen to be the genes. So the significance of crossing-over during prophase 1 is that it adds genetic variation to sexually reproducing organisms.