Question 52
(Multiple Choice)
Use the following information to answer the questions below.
Golden algae are a group of photosynthetic protists whose colour is due to carotenoid pigments: yellow and brown.A group of students was given a significant sample of golden algae (Dinobryon); this algae is colonial and has flagella.Their instructions for the project were to design two or more experiments that could be done with these organisms.
-For their second experiment,the students want to know whether the Dinobryon have to live in colonies or can be free living.How might they proceed?
A)Observe each day to see whether new organisms are ever reproduced as single cells.
B)Observe whether only specialized cells are able to divide to produce new colonies.
C)Divide a sample into single cells and measure the length of time they remain this way.
D)Divide a sample into single cells and observe them.
E)Divide a sample into single cells and see whether they come back together.
Answer