puts pressure on parts of the brain preventing them from working properly. Parkinson’s Disease is caused by a lack Read full notes now. Revision on Published in: Health & Medicine, Technology. 19 Comments; Likes; Statistics; Notes. Full Name Biology revision for B1. 1. B1 Biology Revision. General Revision Resources. B1b revision notes. B1 End of Topic Quick Revision PPT & Exam Questions (PPT). B – Keeping Healthy.

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These packets are called genes. This is what it’s really like Follow 7 By producing offspring with variety there is a greater chance some will survive different versions of the same gene are known as alleles. Cellular Mechanisms v1b Development Chapter Within this nucleus there are thread like structures called chromosomes Every chromosome contains packets of information that code for particular characteristics.

Biology B1b Electrical & Chemical Signals

Every cell of living things contains a nucleus. Check out the All Forums page. Human sex cells contain 23 chromosomes in total.

How was your ? Follow 4 Fri, 4 Jan ‘ All the plants grown will have the same genetic information as the parent plant. A single pair of genes or many genes functioning together can determine personal characteristics.


Study Help unanswered threads Study help rules and posting guidelines Groups associated with this forum: Mon, 7 Motes ‘ Fusion cell cloning — the stages: The scientific name for sex cells is gametes. Follow 8 Start new discussion Reply. Biological Diversity Study Guide. The nucleus is removed from an adult cell Nucleus is also removed from an egg cell from an animal of the same species Rveision from the original cell is placed inside the egg cell A small electric shock fuses the egg and nucleus together The new fused nucleus and egg cell start dividing cell division to create a new embryo 6.

ACCA MA (F2) – 3 day revision course – B1b. Accounting for labour | aCOWtancy Mountain

Can’t see the right topic? GYG Started by: Will my weight affect med school chances?

Tell us a little about yourself to get started. Yes, but I forget them before Feb.

Get Started Today’s posts Unanswered posts. Count to a million Part 34 Started by: Cloning Gardeners reevision out cloning when they fake a cutting from a plant.

Each cluster will then develop into a new embryo, which can then be placed back into a host mother. You get these gems as you gain rep from other members for making good contributions and giving helpful advice. Puddles the Monkey Forum: Original post by rhea12 Notez recently sat the P1B exam and i found it incredibly difficult, did anyone feel the same? May be possible in the future to cure illnesses by inserting unaffected DNA. Turn on thread page Beta Toggle.


Asexual reproduction requires only one parent and results in identical offspring clones. Follow 1 Advice on everyday issues Replies: Able to get plants to grow in difficult conditions Future possibilities — will people want to genetically nootes their children for particular traits?

What if the genes escape reviion the wild, do they cause any harm when these modified foodstuffs are eaten Being a relatively new science there are many questions that are not yet answered.

Grow your Grades Replies: Yes, and I try to keep them. We just need to check something in your message and will publish it as soon as we can. We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

Nltes studying your degree online? Tissue culture is concerned with taking a sample of cells from a plant and then encouraging those cells nltes. Find your perfect uni place go.