GS Biology STAAR Review 23-24

parent 1: GgBB
parent 2: ggBb
Find the genotypes for parent 1 applying F.O.I.L

• gB, gb, gB, gb

• Gg, BB, GB, GB

• GB, GB, gB, gB

• GB, GB, gB, gb

Through a microscope, you observe chromosomes pull apart against the poles by spindle fibers. What phase of mitosis is this cell in?

• Prophase

• Metaphse

• Anaphase

• Telophase

What type of transport involves movement across a protein channel (carrier protein)? No energy required!

• Simple Diffusion

• Osmosis

• Facilitated Diffusion

• Protein pump by active transport

According to the graphs, the enzyme works best at what pH and temp?

• Temperature at 20, PH at 6

• Temperature at 50, PH at 10

• Temperature at 40, PH at 9

• Temperature at 35, PH at 8

Lichens are close associations of fungi and algae. How are both an example of a mutualism interaction?

• The algae performs photosynthesis to obtains carbohydrate and oxygen. The fungi is not getting any of the food source and eventually dies off.

• The algae hold the water supply and performs photosynthesis. The fungi gets the carbohydrate from algae

• The fungi hold the water supply and the algae perform photosynthesis to manufacture carbohydrates for both organisms.

• The fungi holds all the water supply leaving the algae unaffected.

In fruit flies, eye color is a sex linked trait. Red is dominant to white. What is the sex and eye color of flies with the following genotype: X ^R X ^R ?

• male with red eyes

• female with red eyes

• male with white eyes

• female with white eyes

Every cell in your body has a membrane, what biomolecule makes up the membrane?

• protein

• lipids

• carbohydrates

• nucleic acids

The diagram show the reproductive system of a plant. Which of the following best describes the interaction that occurs between a plants reproductive arts during fertilization?

• Pollen moves from the ovule up through the style and is released from the stigma. The pollen is transferred to the anther, where the sperm fertilizes the egg.

• Pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the ovary, where the sperm fertilizes the egg.

• Pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches the filament, where the sperm fertilizes the egg.

• Pollen is released from the anther and is transferred to the stigma. A pollen tube forms and grows through the style. The pollen tube reaches an ovule within the filament, where the sperm fertilizes the egg.

Sheldon & Amy have a child with hemophilia. They both do not have the disorder, but how do they have a child with the disorder?

• Hemophilia is a DOMINANT trait that is hidden in one parent's genotype.

• Hemophilia is a Recessive trait that is hidden in both Sheldon & Amys genotype.

• Hemophilia is a RECESSIVE trait that is hidden in one parent's genotype.

• Hemophilia is a DOMINANT trait that is hidden in both Sheldon & Amy's genotype.

The class decided to have a terrarium. The teacher says it is important to include both plants and animals. Why is it necessary to include both plants and animals?

• plants provide food (C₆H₁₂O₆ ) for the animals and animals provide water (H₂O) for the plants

• plants provide water (H₂O) for the animals and animals provide food (C₆H₁₂O₆ ) for the plants

• plants provide carbon dioxide (CO₂) for the animals and animals provide oxygen (O₂) for the plants

• plants provide oxygen (O₂) for animals and the animals provide carbon dioxide (CO₂) for the plants