Which reaction converts monosaccharides into disaccha6jp5s3b 8ih tzgg 7-hwrides?

  1.State the reaction that forms disaeui 0 qos+t w+jc*b+8iccharides from monosaccharides.
   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 enzy,ld7z1.j nihglt :(rl me lactase?

  Biomolecules have diverse forms anvu g3va s7q35ud structures. Which of the following statements is falv vus3qagu 375se?

  A disaccharide is formed by a condensat2oo5lt; y lrf*d)3mx uion reaction between a glucose molecule and a fructose molecule. Which molecule fits this descriptulrxfd t3o5 m)2lo*;y ion?

  What bond is formed between two glucose molecules to form mo /h zzd: -sq*3zrpjb;altose?

  What is the product of this rdm1* )/ikekb qeaction?

  Which of the followigo a6k;my) s6;i5atww ng is a steroid?

  Which row in the table below correctly identifies the t0j,6 uzpxm 0mhhe constituents of the named macromolecuhx06 puzm m,j0les?

  The diagram below shows the structure of 2 different monomevifk 3 a;d2n7crs.



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 do(q b8*pp3svze j*g7 c.hj p*wzwn of a polymer.

2.Compare and contrast carbohydrates, lipids and proteins.

  Which statement(s) about , zto-c 6fjrk38yh f+tstarch and glycogen is/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 on,m*w.m avyxo 8ly able to trigger a response in a cell by binding to a receptor in the plasma membrane*y. mavw,mx 8o?

The micrograph shows a part of a plant cell from the leaf of Anemone sp1icnp 5gxk:1v.


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 thm/h8a . q:p-ft6fzik te name?

  Eating a healthy, balanced diednvtaiz6 k*0+. 1d:x:xciru ct is important in order to maintain overall health and a strong immune system. A healthy diet means eating a wide variety of food whilst limiting the consumption of foodstdx::cdikairzn*u .v16 0x+c 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? 4o ,ynjy1r ,mw(tcg8s

Distinguish between the structurev 5wtr7 slhe5y e6/btl3p*t8b of cellulose, starch and glycogen.

  Which molecule is shownu4/ gz ) i(kbtic6vsd7 in the diagram below?

  Which monosaccharides are matched to incorrect disacctgtx *5va;mzqsu+qsfi e78+; harides?

  Which of the following is the correct composition of the named polysaccharidick +8;4i-; vmsqk6,m b tacahe?

  Which of the following statements describ cs(( p:vf)lqles alpha-Linolenate, as depicted in the diagram:slqfpl( v(c ) below?

Molecules used in metabolism can bl-0 9)c*nw/)ol axv wj mi,nqee classified as carbohydrates, lipids, and proteins. These molec,cj w)n*nilm/vw0 l 9a xeqo-)ules are often broken down into simpler units which are 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 ac ,yn,1q us 9pyyd2skjl33ux2p id with a 16 carbon chain. Draw the structure of a palmitic 9dp3yjk 2 us 2 3,p,n1xqlyusyacid.

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.