Practice Questions | Sparkl

Home

/

AS & A Level

/

Biology - 9700

/

9700-43-Summer-2019

/

Q6

Practice Questions: AS & A Level Biology - 9700 Paper 4 2019 Summer Zone 3

0

0

Questions: 6/10

Topic: CH17 - SELECTION AND EVOLUTION

Solution

PRACTISE

Similar Questions

LEARN

Concepts with Sparky

Modal View

;

Related Questions from Similar Topic

CH17 - SELECTION AND EVOLUTION

(a) Explain how changes in the nucleotide sequence of DNA may affect the amino acid sequence in a protein.[7](b) Explain how natural selection may bri...

CH17 - SELECTION AND EVOLUTION

(a) *Asellus aquaticus* is a small freshwater crustacean. 200 *A. aquaticus* were released into a pond where there had previously been none. The pond...

CH17 - SELECTION AND EVOLUTION

(a) Complete Fig. 4.1 by writing letters to represent the sets of chromosomes in bread wheat.(b) Explain why hybridisation between emmer wheat and goa...

CH17 - SELECTION AND EVOLUTION

(a) A recent study of the house mouse, Mus musculus, on the island of Madeira resulted in the following observations. • There are six distinct popul...

CH17 - SELECTION AND EVOLUTION

(a) Explain how two parents, both of whom produce normal amounts of AG, can produce a child with Pompe disease...........................................

CH17 - SELECTION AND EVOLUTION

Anole lizards are found throughout the Caribbean and the surrounding mainland. There are many species. Each species is found only on one island or a s...

CH17 - SELECTION AND EVOLUTION

The American crocodile, Crocodylus acutus, was classified as an endangered species by the USA in 1975. It is found in estuarine regions of southern Fl...

CH17 - SELECTION AND EVOLUTION

The fruitfly, _Drosophila_, has many different species. Three of these species, _Drosophila pseudoobscura_, _D. persimilis_ and _D. miranda_, are thou...

CH17 - SELECTION AND EVOLUTION

The American crocodile, Crocodylus acutus, was classified as an endangered species by the USA in 1975. It is found in estuarine regions of southern Fl...

CH17 - SELECTION AND EVOLUTION

The fruitfly, \textit{Drosophila}, has many different species. Three of these species, \textit{Drosophila pseudoobscura}, \textit{D. persimilis} and \...

More Questions from year 2019

CH1 - CELL STRUCTURE

The actual length of a cell structure is 8 µm. Which steps are used to calculate the magnification of an electron micrograph of this cell structure?...

CH1 - CELL STRUCTURE

What is the typical resolution of a microscope using daylight as a light source with a ×10 eyepiece lens and a ×40 objective lens?

CH1 - CELL STRUCTURE

Two different types of cell, P and Q, were broken up using ultrasound and their contents analysed. Both types of cell contained small circular DNA. Th...

CH1 - CELL STRUCTURE

Which features shown in the diagram can be present in viruses?

CH2 - BIOLOGICAL MOLECULES

After boiling a sample of milk with Benedict’s solution, a yellow colour is observed. Which conclusion about the sample of milk is correct?

CH2 - BIOLOGICAL MOLECULES

Which of the statements about polysaccharides can be used to describe amylose and cellulose?1. contains 1,4 glycosidic bonds2. contains 1,6 glycosidic...

CH2 - BIOLOGICAL MOLECULES

Which diagram shows the formation of a peptide bond?

In enzyme-catalysed reactions, the position of the amino acids found at the active site is important. During the synthesis of enzymes, amino acids are...

CH2 - BIOLOGICAL MOLECULES

Which features affect the tensile strength of collagen?1 the helical structure of collagen chains2 the small R group of the amino acids in collagen3 t...

A fixed volume of the enzyme catalase was added to a fixed volume of hydrogen peroxide solution. The diagram shows how the concentration of product ch...