unit one topic 5 vocabulary

Question 1

nucleus

Answer 1

the centre core of a cell

Question 2

Chromosomes

Answer 2

tightly packed strands of DNA visible under a light microscope during cell division

Question 3

gene

Answer 3

a section of DNA of a chromosome that codes for a specific protein and function

Question 4

What are the 4 Nitrogen Bases?

Answer 4

nitrogen bases: 
Adenine
thymine
guanine
cytosine

Question 5

what does the A shape a bond with

Answer 5

bonds with T

Question 6

what does the shape of G bond with

Answer 6

C

Question 7

the sides of the ladder=

Answer 7

alternating subunits of sugar and phosphates

Question 8

What is a Nucleotide

Answer 8

is one structural components of DNA. It serves as the cells storehouse of genetic information.
phosphate+sugar=a nitrogen base

Question 9

Mitosis

Answer 9

the process by which genetic material is duplicated and divided so that two cells have identical sets of chromosomes

Question 10

meiosis

Answer 10

is the formation of the gametes, the process by which genetic material is duplicated and divided so that each gamete has held the number of chromosomes of somatic cells

Question 11

genetic engineering (BIOTECHNOLOGY)

Answer 11

is a technique that scientists use that allow them to move pieces of DNA from one cell to another. This lets them move desirable characteristics from one species to another

Question 12

Insulin production

Answer 12

scientists moved the human gene for insulin into bacteria. This allowed us to make large quants of human insulin. Before that diabetics had to harvest insulin from pigs and cattle.

Question 13

Gene therapy

Answer 13

is where people with diseases inset a healthy gene into their cells to replace the mutated gene that is causing the disease.

Question 14

genetically modified

Answer 14

organism that has been altered by the artificial introduction of genetic information from a
different organism