BIOLOGY Review for STAAR

Which of these correctly compliments the following DNA strand during replication: AGGTCA

• UCCAGU

• TCCAGT

• ACCAGU

• TGGAGT

In which phase of the cell cycle is DNA replicated?

• Mitosis

• G1 phase

• G2 phase

• S phase

Adaptations that result from natural selection are expected to increase the fitness of an organism. In terms of natural selection, what is fitness?

• being able to escape from predators

• being among the strongest organisms in a population

• being able to survive, find a mate, and produce offspring

• being able to survive long enough to reach an adult age

Tags

NGSS.MS-LS4-4

In cattle the allele for cloven hooves (H) is dominant over the allele for mule-foot hooves (h). The phenotype for each trait is shown in this picture.

What is the probability of cloven hooves in the offspring of parents that are heterozygous for the trait?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

NGSS.HS-LS3-3

What phase is this cell in?

• Cytokinesis
• Mitosis
• Prophase
• Metaphase

What phase is this cell in?

• Mitosis
• Interphase
• Anaphase
• Telophase

Tags

NGSS.HS-LS1-4

What phase is this cell in?

• Mitosis
• Cytokinesis
• Prophase
• Telophase

In mitosis, the two resulting cells are

• different from the starting cell and identical to each other.
• different from the starting cell and different from each other.
• identical to the starting cell and different from each other.
• identical to the starting cell and identical to each other.

Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 

• prophase, metaphase, telophase, anaphase
• prophase, anaphase, metaphase, telophase
• prophase, metaphase, anaphase, telophase
• prophase, telophase, metaphase, anaphase

Which of the following is a phenotype?

• Aa
• red hair
• heterozygous genes
• mutated DNA