Which reaction converts monosacchari n)0p-rshp *ordes into disaccharides?

  1.State the reaction that forms disaccharides from monosacbch x0w q764z-kz qw wevmql-6i9z5- dcharides.
   OR dehydration synthesis

2.Draw the products of the reaction between the two monosaccharides shown in the diagram below.

  What is the substrate for the enzyme lactase?65l 7 hfoi(yyusv 7/accax:l 2

  Biomolecules have diverse forms and structures. Which of the following sqe4i6nn(lb+lin 5d*s tatements is false5e *ln(s l46i+ndn biq?

  A disaccharide is formed by a condensation reaction bet5q cuise*tdp x1) e,n8ween a glucose molecule and a fructose molecule. Which moxpiu* ee d1q8,)tcns 5lecule fits this description?

  What bond is formed between two glucose molecules to fodf k; ;/(8ozcd.jsbv *diyvv:rm maltose?

  What is the product of tht. bu 4)n-ifgj 60gzujis reaction?

  Which of the following bo n 3x:y5zr l*skk;t9is a steroid?

  Which row in the table below correctly q9 4)njx; mlm8zxx q1eidentifies the the constituents of the named mn xq9xx4qze j1ml;8m)acromolecules?

  The diagram below shows the struo0f/h sym1mkt j 7r9daq/b;3kcture of 2 different monomers.



1.State the name of the following:

1.1.structure A:α-  
1.2.structure B:  

2.State the name of a polymer which contains the following molecules:

2.1.structure A:starch OR glycogen OR amylose OR amylopectin
2.2.structure B:ribonucleic acid OR   

1.Distinguish between the formation and breaking down of a polymexny cqd; ig3ldsa5x7.qv/: q3 r.

2.Compare and contrast carbohydrates, lipids and proteins.

  Which statement(s) about starch and glycogen isuk ,vhtr )mlu4 77cqv;(h aws7/are correct?
I. Starch and glycogen are branched molecules.
II. Starch is made up β− glucose molecules but glycogen is made up of α− glucose molecules.
III. Starch and glycogen are energy storing polysaccharides.

  Which of the following is only able to triggeruznv,9h zv(4 b a response in a cell by binding to a receptor in the plasma membra(4zvh,9bnv zune?

The micrograph shows a goo y27v5(;+k5 8z+dwiwhzy3 pbn arazk -x1mpart of a plant cell from the leaf of Anemone sp.


1.Label structures in the plant cell above:

1.1.using the letter R where starch can be found;
1.2.using the letter S where lipids can be found;
1.3.using the letter T where cellulose can be found.

2.Compare and contrast between the structure and functions of glycogen and starch.

  Which molecule diagram is correctly matched to the name?0epkbi.dvg)yvdv i 2 9 uz*k:.

  Eating a healthy, balanced diet is important ip38 hp1h,igy i6i3 ay :j*apl4ab f7uin order to maintain overall health and a strong immune system. A healthy diet means eating a wide v 1ia,3pip4ajh*h ua6bgi:ifl3p7 8yy ariety of food whilst limiting the consumption of foods which are considered to be less healthy, such as those high in saturated fats.

In an investigation into the effects of diet on low-density lipoprotein levels (LDL) in the blood, scientists provided two groups of mice with varied diets. Each group was given 5g of food per day, containing a mixture of a standard food mix and either avocado or cheese. The ratios of the food were changed each day and blood LDL levels were recorded. The diets and results are shown in the tables and graph.



1.1.Describe the impact on blood LDL levels when feeding mice diets supplemented with avocado or cheese.

1.2.Explain the differences between results from both groups.

1.3.Suggest a reason for the trend shown in LDL levels in group one.

2.State which group is most at risk of heart disease and stroke. Give a reason for your answer.

3.1.Suggest one advantage of using mice in this experiment instead of humans.

3.2.State one variable, not mentioned in the question, which would need to be controlled in this experiment in order to achieve valid results.

4.For mice fed with cheese, calculate how many times greater the LDL levels were on day 5 compared to day 2.
Day 2 =  

  Which molecules form a triglyceride d.o:uccxw )oeodw);-?

Distinguish between the struvijv9p5s:617d er lk mcture of cellulose, starch and glycogen.

  Which molecule is shown in the diagram belpu :ret:oq :6zow?

  Which monosaccharides are matched to incorrect disacchak2u(: 3,huwy pn siwk5rides?

  Which of the following is the correct compositi52 r3;b lxahxah.r 4 cc5iwdz gd9,g*kon of the named polysaccharide?

  Which of the following statements describes alph.-tqvs ixb0/y a-Linolenate, as depicted in the diagram beybs0xi -t.v q/low?

Molecules used in metabolism can be cla sdxv k7(v. f:dk(noxccojkhn)+ u2 4/dy96d rssified as carbohydrates, lipids, and proteins. These molecules are often broken down into simpler units which are 9 2(dcxj.okof rd4d:n(hn k dv7xs/+yk6uvc)then involved in different metabolic reactions.

1.Identify two disaccharides and the monomers from which they are formed.

2.Draw a labeled molecular diagram to show a generalized amino acid.

3.Discuss the theory of vitalism and its falsification.

1.Palmitic acid is an example of a saturated fatty acid with a 1 .f9( toh w. qg(ljg*ww ucd*:jz.vjj(6 carbon chain. Draw the structure of a palmitic a jww.ztg c(jq( jj(*:.lw*hogd9.uvfcid.

2.Testosterone is a steroid hormone, which is carried in the blood. Explain how, when testosterone reaches its target cells, it brings about its effect on the DNA of that cell.

3.Explain how the structure of cellulose and glycogen are related to their functions.