Test 6

Question 1

Which code on RNA is the start code at the beginning of a protein?

Answer 1

AUG

Question 2

A piece of DNA that does not code for proteins in a eukaryotic cell is called an

Answer 2

Intron

Question 3

How many base pairs of DNA are there in the human genome?

Answer 3

3 billion

Question 4

RFLP stands for

Answer 4

Restriction fragment length polymorphism

Question 5

When was the technique of PCR invented?

Answer 5

1989

Question 6

How are the fragments of DNA separated in RFLP analysis?

Answer 6

Electrophoresis

Question 7

When was the complete gene sequence of a nematode worm first worked out

Answer 7

1998

Question 8

Using an RNA probe to find mRNA is called a — blot

Answer 8

Northern

Question 9

What was Lamarck’s idea of evolution

Answer 9

Evolution was caused by passing on characteristics acquired during life - people who work out a lot will have babies with large muscles

Question 10

What is meant by anticodon

Answer 10

Matches the 3 base codon on mRNA found in tRNA

Question 11

Organs that have no function are called — organs

Answer 11

Vestigial

Question 12

Which enzymes are used to cut out sections of DNA

Answer 12

Restriction

Question 13

What are two characteristics shared by all vertebrate embryos

Answer 13

Gill slits and tail

Question 14

Darwin showed that all species can rapidly increase in population, but most wild populations are — over time

Answer 14

Stable

Question 15

Which minister before Darwin concluded that human populations will grow until limited by disease or famine

Answer 15

Malthus

Question 16

Fossils show that millions of years ago the ancestors of horses were small. What are two other characteristics of these early horses

Answer 16

4 toes and leaf eating

Question 17

Which geologist first showed that the earth was millions of years old

Answer 17

Lyell

Question 18

Which island has lemurs

Answer 18

Madagascar

Question 19

Which human species was the first to use fire

Answer 19

Homo erectus

Question 20

Early humans, around 4 million years ago, are not in the genus homo, but instead are in the genus

Answer 20

Australopithecus

Question 21

Who invented PCR

Answer 21

Kary Mullis

Question 22

The earliest ancestor of the modern horse is in the genus

Answer 22

Hyracotherium

Question 23

Which technique was used to identify the bones of the Russian royal family

Answer 23

RFLP analysis

Question 24

Give an example of the use of plasmids in biotechnology

Answer 24

Human growth hormone and insulin

Question 25

Which fossil links birds to reptiles

Answer 25

Archaeopteryx