---
title: How can two metres of DNA fit in a tiny cell? — The microscopic world: cells, the buil… · tree and pragmatics
description: How can two metres of DNA fit in a tiny cell? Test 7 of lesson 256 «The microscopic world: cells, the building blocks of life» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 7 · The microscopic world: cells, the building blocks of life

<!-- .ven lang=en -->
How can two metres of DNA fit in a tiny cell?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** two metres · **What happens:** fit · **To what, where:** tiny cell

<!-- .vabout -->
This is test 7 of lesson 256 «The microscopic world: cells, the building blocks of life» of the biology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/256-the-microscopic-world-cells-the-building-blocks-of-life/#t7).

## The question {#question}

```conllu
# sent_id = question:biology:256-the-microscopic-world-cells-the-building-blocks-of-life:t7:1
# text = How can two metres of DNA fit in a tiny cell?
1	How	how	ADV	WRB	PronType=Int	7	advmod	_	_
2	can	can	AUX	MD	VerbForm=Fin	7	aux	_	_
3	two	two	NUM	CD	NumForm=Word|NumType=Card	4	nummod	_	_
4	metres	metre	NOUN	NNS	Number=Plur	7	nsubj	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	DNA	DNA	NOUN	NN	Number=Sing	4	nmod	_	_
7	fit	fit	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
8	in	in	ADP	IN	_	11	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	tiny	tiny	ADJ	JJ	Degree=Pos	11	amod	_	_
11	cell	cell	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
12	?	?	PUNCT	.	_	7	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fit** | can | two metres of DNA |  |  | a tiny cell |  |  | vn funnel-9.3-1 «NP V NP PP.trajectory»: agent=Agent in cell=Trajectory |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
It is only two metres in giants

```conllu
# sent_id = question:biology:256-the-microscopic-world-cells-the-building-blocks-of-life:t7:o1:1
# text = It is only two metres in giants
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	only	only	ADV	RB	_	4	advmod	_	_
4	two	two	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	metres	metre	NOUN	NNS	Number=Plur	0	root	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	giants	giant	NOUN	NNS	Number=Plur	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | two metres |  |  |  | in giants | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It sticks out of the cell like a very long, thin tail

```conllu
# sent_id = question:biology:256-the-microscopic-world-cells-the-building-blocks-of-life:t7:o2:1
# text = It sticks out of the cell like a very long, thin tail
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	sticks	stick	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	out	out	ADP	IN	_	6	case	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	cell	cell	NOUN	NN	Number=Sing	2	obl	_	_
7	like	like	ADP	IN	_	13	case	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
9	very	very	ADV	RB	_	10	advmod	_	_
10	long	long	ADJ	JJ	Degree=Pos	13	amod	_	SpaceAfter=No
11	,	,	PUNCT	,	_	10	punct	_	_
12	thin	thin	ADJ	JJ	Degree=Pos	13	amod	_	_
13	tail	tail	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stick out** | present | It | the cell |  |  |  | like a long thin tail | vn spray-9.7-1 «NP V NP.theme»: agent=Agent cell=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
It is extremely thin and tightly packed and coiled

```conllu
# sent_id = question:biology:256-the-microscopic-world-cells-the-building-blocks-of-life:t7:o3:1
# text = It is extremely thin and tightly packed and coiled
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	extremely	extremely	ADV	RB	_	4	advmod	_	_
4	thin	thin	ADJ	JJ	Degree=Pos	0	root	_	_
5	and	and	CCONJ	CC	_	7	cc	_	_
6	tightly	tightly	ADV	RB	_	7	advmod	_	_
7	packed	packed	ADJ	JJ	Degree=Pos	4	conj	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	coiled	coiled	ADJ	JJ	Degree=Pos	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  |  |  | extremely, thin *property* | tree rules |
| 2 | **be** |  |  |  |  |  |  | tightly *property* | tree rules |
| 3 | **be** |  |  |  |  |  |  |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
It is folded once in half

```conllu
# sent_id = question:biology:256-the-microscopic-world-cells-the-building-blocks-of-life:t7:o4:1
# text = It is folded once in half
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	folded	fold	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	once	once	ADV	RB	NumForm=Word|NumType=Mult	3	advmod	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	half	half	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fold** | present · passive |  | It |  | half |  | once *property* | vn bend-45.2 «NP V NP.patient»: subject=Patient |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

<!-- /div -->

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