Which reaction converts monosaccharides into disaccharides?9 mtejfxc obd3 2471id

  1.State the reaction that forms disacchau; oo/ebs+fyq47 g 0prrides 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 4n/ygr2 pf,gc7nn s2k the enzyme lactase?

  Biomolecules have diverse forms and structures. Whicjo gz yv142.u ktdg)a(h of the following statements is fa)yjkd .ut(oz 2gav g41lse?

  A disaccharide is formed by a condensation reaction bet.zz(30w)sf pl 4asu6g jw2sq jween a glucose molecule and a fructose molecule. Wss3p6wuz).j sqj 0fgzl2(4w ahich molecule fits this description?

  What bond is formed betqu pv x:m-(5jp3ti0c eween two glucose molecules to form maltose?

  What is the product of this reaction? 9p.ou3cy 4aan

  Which of the following is a s2(xb *ifm 5+opnq5i.n ax6oyrteroid?

  Which row in the table below correctly identifies the the constituents of tho0g- f9 de bf0tuni*xoa sfh01a 7:f6oe named mao*7t0inf u0 160a oa:d9 gobffefsxh-cromolecules?

  The diagram below shows the structure of 2 d5::b2svscmw r ifferent 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 pol fivznz1 71ap4ymer.

2.Compare and contrast carbohydrates, lipids and proteins.

  Which statement(s) abouttcdf 6rj4yabx. /a/-j starch 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 followino(6p;x,4k :pwqe iz , qjkyoj4g is only able to trigger a response in a cell by binding to a receptor in the plasma membrane?wxy4kqo ,4z ,jkp ;(:q6poije

The micrograph shows a part of a plant cell from thkjp74.hfpgn)ci 5 f ,t,jp m.ie 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 .e(n7 zqr+stm a 7o2xbmatched to the name?

  Eating a healthy, balanced diet is important in orderifb 8e;wtw t3dnonu;-s ;8o)h js8yuwt3:y i , to maintain overall health and a strong immune system. A healthy diet means eating a wide va;ns3eo,8t)fn jst8 i;y;-w whu8i:bouy td3w riety 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 form2 ss+s paw:8kx4 l9e+tynyf /z a triglyceride?

Distinguish between the structure of cellulose, start*rndt.2y u ;dch and glycogen.

  Which molecule is shoxyhoavq;(7g: t0edd3n3 yih4wn in the diagram below?

  Which monosaccharides are matched to incorrect disaccf;*vyz 0sk,g*j7wu:vhi t eu2 harides?

  Which of the following is the correc3 7l( bkhr3 4ohmt,/a5 nglkzot composition of the named polysaccharide?

  Which of the following statements describes alpha-Linolence 2 7/)pyhb 6eug-6+i mh8cm/jmocen ate, as depicted in the diagram below? -h u 6bcjm/ 6ee8/7ycmnm2e i p)o+hgc

Molecules used in metabolism c7imwht3 o hz/9an be classified as carbohydrates, lipids, and proteins. These molecules are often broken down into simpler units which are then involv/mti 7wo39 hhzed 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 example7lx,9ebkq ug1ek;q .z7djo 0f of a saturated fatty acid with a 16 carbon chain. Drawdu l.1 e7kqf,x7qb kj;9o ze0g the structure of a palmitic acid.

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.