Botana Curus *** ENG

An "​ (a)   species" is when very few members of the species exist; ​ (b)   of the species is ​ (c)   .​ ​

• endangered
• extinction
• possible

A trade-off means that you are ​ (a)   a benefit and a ​ (b)   effect in order to reach a ​ (c)   .

• balancing
• negative
• goal

Human ​ (a)   refers to the effect of humans on an ​ (b)   .

• impact
• ecosystem

This is the process of paper ​ (a)   :

1. 1. Get liquid samples.

2. 2. Label and add to paper.

3. 3. Place paper in water below samples.

4. 4. Wait 10 minutes.

5. 5. ​ (b)   color ​ (c)   .

• chromatography
• Compare
• patterns

During the paper ​ (a)   test, mixtures of ​ (b)   are separated on special paper. Similar ​ (c)   indicate that the species are closely ​ (d)   .

• chromatography
• pigments
• patterns
• related

This is the process of gel ​ (a)   :

1. 1. ​ (b)   cuts DNA.

2. 2. DNA fragments go in wells.

3. 3. Electricity added.

4. 4. DNA fragments move by ​ (c)   .

5. 5. ​ (d)   DNA patterns.​

• electrophoresis
• Enzyme
• size
• Compare

​ (a)   evidence refers to the ​ (b)   and nucleic acids that are inside of living things. More ​ (c)   indicates that the species are more ​ (d)   .

• Molecular
• proteins
• similar
• closely related

Restriction ​ (a)   can cut ​ (b)   at specific sequences, forming ​ (c)   of varying size.

• enzymes
• DNA
• fragments

Codons are 3 nucleotide sections of ​ (a)   that each code for a single ​ (b)   . They are used by the ​ (c)   in the process of building ​ (d)   .

• mRNA
• amino acid
• ribosome
• proteins

A gene is a sequence of ​ (a)   . It codes for a ​ (b)   and determines a ​ (c)   (characteristic).

• DNA
• protein
• trait