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  1. Problems
  2. /Cell Biology
  3. /Biomolecules

Biomolecules

Biology
+ Upload a Problem
More in Cell BiologyCell Structure and OrganellesTransport Across the Cell MembraneBiomoleculesCell Cycle and Cell DivisionEnzymes
20 problems
Exam:
Type:
1.
A student mixes glucose, enzymes and ATP in a sealed flask, the same chemicals that a cell uses… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
2.
Pyruvic acid joins the pool of a muscle cell at 60 thousand molecules a minute… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
3.
Four changes happen in cells. (i) Amino acids are joined into a protein… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Easy
4.
One molecule of glycerol joins three fatty acid molecules to make one fat, a triglyceride… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
5.
A biology student lists four bonds: peptide, glycosidic, ester and phosphodiester… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Easy
6.
A cell joins 25 amino acids end to end into one chain with no branches… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
7.
A bacterium carries a small ring of DNA, called a plasmid, with 4800 base pairs… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
8.
A student draws four structures. (i) Adenine alone… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
9.
Two samples of nucleic acid are analysed… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Easy
10.
A scientist analyses double-stranded DNA from a bacterium… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
11.
Name the molecule from each description… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Hard
12.
Stearic acid is saturated, with 18 carbons counting the carboxyl carbon… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
13.
A branch of glycogen is a chain of 40 glucose units… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
14.
Name the level of protein structure described in each case… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
15.
Which amino acid has a single hydrogen atom as its R group? … New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Easy
16.
Adult haemoglobin has two alpha chains of 141 amino acids each and two beta chains of 146 amino… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
17.
A cell has a mass of 4.0 ng. Take 80 % of it as water, 12 % as proteins and 6 % as nucleic acids… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
18.
Sort each compound as a primary or a secondary metabolite… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
19.
A fresh leaf sample weighs 24.0 g. After drying it weighs 6.0 g… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Medium
20.
Meera grinds a piece of liver in trichloroacetic acid and strains the slurry through cotton… New
High School (11–12) · BiomoleculesStemPy LabStemPy Lab
Easy