Y10 Biology Exam Preparation

Question 1

The nitrogenous bases in this diagram could possibly be

Accepted Answer

adenine

Question 2

What is the name of the sugar in this molecule?

Accepted Answer

deoxyribose

Question 3

During anaphase

Accepted Answer

sister chromatids are pulled to the poles

Question 4

Name the sections of nucleic acid that are removed from pre-mRNA to form mature mRNA

Accepted Answer

intron

Question 5

What is the name of the female scientist involved in the discovery of DNA?

Accepted Answer

Rosalind Franklin

Question 6

The 3 ways white blood cells protect us are by producing antibodies, phagocytosis and...

Accepted Answer

Production of anti-toxins

Question 7

What type of molecule is a prion?

Accepted Answer

protein

Question 8

The function of the nucleus is

Accepted Answer

DNA controls cellular functions by coding for proteins

Question 9

During which phase of the cell cycle does DNA duplication occur?

Accepted Answer

S phase

Question 10

Name the hormone that bacteria can produce for us that can lower blood glucose levels

Accepted Answer

Insulin

Question 11

Translation occurs within the nucleus.

Accepted Answer

False

Question 12

Animal cells contain mitochondria, whereas plant cells do not

Accepted Answer

False

Question 13

The protein involved in forming blood clots is called

Accepted Answer

fibrin

Question 14

In gel electrophoresis, DNA fragments are repelled from the negative electrode

Accepted Answer

True

Question 15

Two animals are of the same species if

Accepted Answer

they can produce viable and fertile offspring

Question 16

Bacteria can release energy via aerobic cellular respiration

Accepted Answer

False

Question 17

Prokaryotes divide asexually via mitosis

Accepted Answer

False

Question 18

Which of the following are NOT required for transcription?

Accepted Answer

free thymine nucleotides

Question 19

Bacteria cause disease by

Accepted Answer

producing toxins, outcompeting natural flora in our bodies

Question 20

Which of the following is NOT a component of cell theory

Accepted Answer

Basic unit of structure in living organisms

Question 21

During the S phase of Interphase the number of chromosomes doubles

Accepted Answer

False

Question 22

Restriction enzymes are used in genetic engineering to

Accepted Answer

cut DNA into pieces

Question 23

What is the complementary anticodon to the codon AUG

Accepted Answer

UAC

Question 24

The bonds between nitrogenous bases are called

Accepted Answer

hydrogen bonds

Question 25

Which of the following is NOT required for DNA replication?

Accepted Answer

free amino acids

Question 26

What is an independent variable?

Accepted Answer

the variable that is changed

Question 27

What are produced from meiosis?

Accepted Answer

four genetically varied daughter cells

Question 28

Mutations within genes can result in non-functional proteins because

Accepted Answer

a different amino acid could be inserted, a stop codon can be inserted prematurely

Question 29

During which decade did Watson and Crick publish their research?

Accepted Answer

1950's

Question 30

Which of the following is NOT a rule for biological drawings

Accepted Answer

must be in pen

Y10 Biology Exam Preparation

Questions 30

Y10 Biology Exam Preparation

Questions 30