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Which shows the order of molecules most accurately from smallest in size to largest?

Which molecule(s) is(are) polymers of glucose?

Review for biochem

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A #quiz to review some biology and chemistry basics fo Medical #biochemistry

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Questions 9

Answers

1
Which molecule(s) is(are) polymers of glucose?
Fructose
All of these
Amylose
Lactose
2
Which shows the order of molecules most accurately from smallest in size to largest?
small org molecule, protein, virus, nucleus bacterium
This is a trick; they are all wrong
virus, protein, small org molecule, bacterium, nucleus
small org molecule, protein, nucleus, virus, bacteria cell
3
The essential ions found in all species are highlighted in....
purple
red
white
blue
4
In a bond between two molecules, what determines the bond angle?
The size of the atom's nucleus
The energy of the 1s subshell
Paired electrons in a neutral atom
The shape of the subshell with valence electrons
5
DNA is a charged biological molecule. Where are the negative charges located on DNA?
The 3' end of each strand only
The ends of the strands
The inside of the molecule
The sugar-phosphate backbone
6
What types of molecules does water dissolve?
Large molecules only
Nonpolar molecules and charged molecules
I'm tired and it's the end of class
Polar molecules and charged molecules
7
In this image, lines represent shared molecules. What do the dots represent?
Enzymes
Elements
Electrons
Genes
8
The elements highlighted in RED (H, C, N, O, P, S) are:
The essential ions required by all organisms
The most abundant elements found in organisms
Trace elements
The most abundant elements on Earth, by weight
9
The elements highlighted in blue are trace elements. Trace elements...
are often found in vitamins
are essential but are toxic at high concentrations
can function as cofactors
ALL of these