Table of Contents
How is your DNA like a recipe?
It is like a recipe. It is shaped like a double-helix ladder. The backbone is made of deoxyribose, a sugar phosphate, and the ladder rungs are the nucleotide bases. The nucleotide bases are the codes for the proteins that our cells make.
How is DNA like a book What does DNA do with information?
DNA is a genetic material, an inherited blue print that stores the intructions for making the other parts of the cell and for producing new cells. A book contains letters, just like the DNA. It’s how the letters are arranged-into words in a book- that makes them mean anything. The same is true of DNA bases.
How are recipes similar and different to genes?
Genes are like recipes, they tell the cell how to make a particular protein. It is the presence (or absence) of the particular protein (often an enzyme) that gives the plant, animal or microbe a trait. Insulin, for example, is a protein that helps control blood sugar in mammals.
How is DNA like a manual?
The role of DNA is not only to inform and describe (since it holds all the information about an individual: eye color, sex, etc); it also has a functional role similar to that of an instruction manual. It holds all the information that enables cells to carry out their functions.
What information does DNA copy?
Replication is the process by which a double-stranded DNA molecule is copied to produce two identical DNA molecules. DNA replication is one of the most basic processes that occurs within a cell.
Is DNA a cell?
In organisms called eukaryotes, DNA is found inside a special area of the cell called the nucleus. Because the cell is very small, and because organisms have many DNA molecules per cell, each DNA molecule must be tightly packaged. This packaged form of the DNA is called a chromosome.
In what 3 ways is DNA like a book?
In the cell, the copy that goes in and out of the nucleus is called messenger RNA. So genes are like books, chromosomes are like bookshelves, the set of an organism’s chromosomes are a library full of shelves, the nucleus is like the library building and messenger RNA is like a copy of a book.
What are the four basic units of DNA?
There are 4 different bases in DNA: Guanine (G), Adenine (A), Cytosine (C) and Thymine (T). The sequence in which the bases occur is a code that contains information.
What can be referred to as a cookbook for the human body?
Think of DNA as a collection of cookbooks that contains all the recipes for making and running living things like worms, plants, birds, and people. Your DNA is like the cookbooks of your cell. Let’s call each cookbook in the collection a chromosome. Humans have 23 pairs of chromosomes, one from each parent.
What are different versions of genes called?
An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.
Where can your entire DNA code be found?
Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
How much DNA is in a cell?
A human cell contains about 6 pg of DNA.