Questions

1) Introduction

From your science journal, answer the following questions.

1. What are some similar traits you have with a family member?

2. What are some different traits you have with a family member?

3. What do you mean when people say you look like your father or mother?

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2) Deoxyribonucleic Acid (DNA)

From your science journal, answer the following questions.

1. What comes to mind when you hear "DNA?"

2. What comes to your mind when you hear the word "protein?

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3) Chromosomes

From your science journal, answer the following questions.

1. What is the job of chromosomes?

2. How is the 23rd pair of chromosomes different for males and females?

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4) Genes

From your science journal, answer the following questions.

1. What is a gene?

2. Why does each person look unique?

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5) DNA

From your science journal, answer the following question.

1. What are the two important properties of DNA?

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6) RNA

From your science journal, answer the following question.

1. What are some differences between RNA and DNA?

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Correct Answer: 1. DNA is a double helix while RNA is a single strand. In the cell, the DNA only stores genetic information while RNA is read by ribosomes as instructions for forming certain proteins.

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7) Nucleotides

From your science journal, answer the following questions.

1. What are four types of bases found in nucleotides?

2. How is the order of these bases like a recipe?

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8) Amino Acids

From your science journal, answer the following question.

1. What role do amino acids play in your body?

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9) Proteins

From your science journal, answer the following questions.

1. What do proteins do?

2. What are some specific examples?

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10) Which statements about DNA are true?

Select four answers.

A) DNA stands for ribonucleic acid
B) DNA is arranged in a spiral-shaped double helix
C) Genes are inherited from both parents
D) Scientists have yet to map the human genome
E) There are at least 20,000 human genes
F) Research on DNA can lead to new treatments for diseases

Correct!

11) Cytosine, guanine, adenine, and thymine are chemicals that combine to form _______ in DNA.

A) traits

B) base pairs

C) gene

D) genome

Incorrect

12) DNA follows specific rules when matching up base pairs.

Identify the sequence with correctly paired bases below:

A) A-T, C-G, A-A

B) T-A, G-A, A-C

C) A-T, C-G, T-A

Correct!

13) Could you make the other side of your DNA if you had one side of your DNA?

A) Yes

B) No

Incorrect

14) Nucleotides are:

A) Made of alleles that make each person unique

B) The basic building blocks of DNA

C) The same in DNA and RNA

D) Combined to make proteins

Correct!

15) What is true about DNA?

A) It feeds RNA into ribosomes

B) It contains chemicals that form into proteins

C) It is made of 20 nucleotides

D) It can be copied and store information

Correct!

16) What is one job of chromosomes?

A) To keep DNA within the nucleus of a cell

B) To form proteins

C) To control how an organism develops traits

D) To break down food to support digestion

Correct!

17) What does a gene do?

A) It keeps DNA within the nucleus of a cell

B) It forms protein

C) It controls how an organism develops traits

D) It breaks down food to support digestion

Correct!

18) Humans have 23 pairs of chromosomes. Where do they come from?

A) both sets from mom

B) both sets from dad

C) one set from mom and one set from dad

Correct!

19) All living creatures have the same:

A) Cells

B) Language of DNA

C) Tissues

D) Digestive proteins

Incorrect

20) Of the 23 pairs of human chromosomes, the 23rd pair (the sex chromosomes) determines your sex.

Which combination of sex chromosomes does a person who's genetically female have?

A) xx

B) xy

C) xz

Correct!

21) Which of these contains protein?

A) Meat from cows, pigs, and chickens

B) Human cells and organs

C) Plant leaves

D) All of the above

Correct!

22) The image below is a _______________.

A) chromosme

B) double helix

Correct!

23) The image below is a ___________.

A) chromosome

B) double helix

Correct!

24) Nucleotides make up DNA and they come in four different types.

They are labeled ___, T, G, and ___.

A) A; C

B) B; C

C) A; D

D) B; D

Correct!

25) What do amino acids do?

A) They keep DNA within the nucleus of a cell

B) They form proteins

C) They control how an organism develops traits

D) They break down food to support digestion

Correct!

26) DNA is similar to all living things.

What conclusion have scientists drawn from that fact?

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27) Attach any work required by your teacher and complete log entries.

DATE	START TIME	END TIME	DESCRIPTION
05/23/2024	11:49 AM	12:48 PM	.

0 Hour(s) & 59 Minute(s)

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Science Journal

Deoxyribonucleic Acid (DNA)