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DNA History & Structure

Authored by Jessica Terhune

Biology

9th - 12th Grade

Used 15+ times

DNA History & Structure
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5 questions

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1.

OPEN ENDED QUESTION

10 mins • Ungraded

Which scientists are credited with discovering the structure of DNA? How did their discoveries use the work of scientists before them? Both parts of the question should be answered.

¿A qué científicos se les atribuye el descubrimiento de la estructura del ADN? ¿Cómo utilizaron sus descubrimientos el trabajo de los científicos antes que ellos? Deben responderse ambas partes de la pregunta.

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2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The following concepts led to the hypothesis that DNA has a double helix structure:

I. The ratio of A:T is 1:1.

II. The ratio of G:C is 2:1

III. DNA strands are antiparallel


Los siguientes conceptos llevaron a la hipótesis de que el ADN tiene una estructura de doble hélice:

I. La relación de A: T es 1: 1.

II. La relación de G: C es 2: 1

III. Las hebras de ADN son antiparalelas

I only

I and II

I and III

All of the statements apply. odas las afirmaciones anteriores son evidencia de que el ADN es una doble hélice.

3.

OPEN ENDED QUESTION

5 mins • Ungraded

The two strands of DNA are anti-parallel. What does this mean?

Las dos cadenas de ADN son antiparalelas. ¿Qué significa esto?

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4.

OPEN ENDED QUESTION

10 mins • Ungraded

The DNA double helix looks like a twisted ladder. What makes up each rung of the ladder? What holds the rungs together at the sides?

La doble hélice del ADN parece una escalera retorcida. ¿Qué compone cada peldaño de la escalera? ¿Qué mantiene unidos los peldaños a los lados?

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5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Write the complementary strand for the DNA sequence below:

Escriba la hebra complementaria para la secuencia de ADN a continuación:


A C G G T T A T C

TGGTCAATAG

AGCCATAG

TGGCTAATG

TGCCAATAG

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