Chapters(1-4) Chemistry of lifeCell communication and cellcycle

the plasma membrane includes all of the following components : except

• Sugars

• Proteins

• Cholesterol

• Fatty Acids

The uncharged subatomic particle of an atom is called a (N)

• neutron

• proton

• atom

• isotope

All of the following are related to Eukaryote cells : except

• RIbosomes

• membrane bound organelles

• cell walls

• plasmids

The Polymer of a carbohydrate is known as a

• Polysaccharide

• Amino acid

• sugar

• monosaccharide

The scientific method includes the following order

• observation -> experiment -> hypothesis -> data analysis -> conclusions

• experiment -> observation -> data analysis -> conclusions prediction

• observation -> hypothesis-> experiments -> data analysis -> conclusions

• all of the above

A scientific theory is ?

• A way of scientific thinking.

• A strongly approved Personal opinion.

• A scientific statement repeatedly shown to be correct across repeated experiments.

• A scientific statement that vary's through experiments.

An Element is identified by the

• Atomic mass

• Atomic number

• number of protons

• number of neutrons

the _____ atom in the molecule CO2 has a net negative charge due to it's _____ electronegativity

(a)  

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

what kind of bond is formed by the attraction between partially charged polar molecules?

• Covalent Bonds

• Hydrogen Bonds

• Iconic Bonds

• Polar Bonds

which of the following fatty acids is liquids at room temperature

• cholesterol

• phospholipid

• unsaturated fatty acid

• Saturated fatty acid