Which is not true of gene expression? 1. It creates different DNA within each of your cells.

2. It determines how a cell functions.

3. It occurs because of chemical signals within your body.

4. It is the process that turns certain genes on or off inside of cells.
ertain

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

water is a polar molecule. a chemical bond is a force of attraction between atoms or ions. bonds form when atoms share or transfer valence electrons. atoms form chemical bonds to achieve a full outer energy level, which is the most stable arrangement of electrons. so, false

explanation:

in h2o molecule, two water molecules are bonded by a hydrogen bond but the bond between two h - o bonds within a water molecule are covalent. the greater the electronegativity difference, the more ionic the bond is. bonds that are partly ionic are called polar covalent bonds. nonpolar covalent bonds, with equal sharing of the bond electrons, arise when the electronegativities of the two atoms are equal.

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yes

no

blue is scattered more than other colors because it travels as shorter, smaller waves. this is why we see a blue sky most of the time.