Description

In these cells, DNA molecules are short, circular and not associated with proteins.
In the nucleus of these cells, DNA molecules are very long, linear and associated with proteins, called histones.
Together a DNA molecule and its associated proteins form a _____________
The___________________ of eukaryotic cells also contain DNA which, like the DNA of prokaryotes, is short, circular and not associated with protein.
The___________________ of eukaryotic cells also contain DNA which, like the DNA of prokaryotes, is short, circular and not associated with protein.
base sequence of DNA that codes for: the amino acid sequence of a polypeptide a functional RNA (including ribosomal RNA and tRNAs).
A gene occupies a fixed position, called a ____________, on a particular DNA molecule.
A sequence of three DNA bases, called a_____________, codes for a specific amino acid.
The genetic code is universal, non-overlapping and _______________.
In eukaryotes, much of the nuclear DNA does not code for ____________
There are, for example, non-coding multiple repeats of base sequences between genes. Even within a gene only some sequences, called _________, code for amino acid sequences.
Within the gene, these exons are separated by one or more non-coding sequences, called __________.
A ________ is a section of DNA located at a particular site on a DNA molecule, called its locus.
The base sequence of each gene carries the coded genetic information that determines the ______________ of amino acids during protein synthesis.
The_________code used is the same in all organisms, providing indirect evidence for evolution.
Genetic __________ within a species can be caused by gene mutation, chromosome mutation or random factors associated with meiosis and fertilisation. This genetic diversity is acted upon by natural selection, resulting in species becoming better adapted to their environment.
Variation within a species can be measured using __________ in the base sequence of DNA or in the amino acid sequence of proteins.
Biodiversity within a community can be measured using species richness and an __________of diversity.
Biodiversity within a community can be measured using species ________ and an index of diversity.

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What is a crossword?

Crossword puzzles have been published in newspapers and other publications since 1873. They consist of a grid of squares where the player aims to write words both horizontally and vertically.

Next to the crossword will be a series of questions or clues, which relate to the various rows or lines of boxes in the crossword. The player reads the question or clue, and tries to find a word that answers the question in the same amount of letters as there are boxes in the related crossword row or line.

Some of the words will share letters, so will need to match up with each other. The words can vary in length and complexity, as can the clues.

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Are crosswords good for students?

Crosswords are a great exercise for students' problem solving and cognitive abilities. Not only do they need to solve a clue and think of the correct answer, but they also have to consider all of the other words in the crossword to make sure the words fit together.

Crosswords are great for building and using vocabulary.

If this is your first time using a crossword with your students, you could create a crossword FAQ template for them to give them the basic instructions.

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We have full support for crossword templates in languages such as Spanish, French and Japanese with diacritics including over 100,000 images, so you can create an entire crossword in your target language including all of the titles, and clues.