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TLS Online TPP Program

#Question id: 12837

Haploid yeast cells were grown in culture and stained with propidium iodide, a fluorescent dye that is incorporated into DNA. The x axis shows DNA content, the y axis the number of cells. The DNA content analysis shows different populations of cells.

Which of the following statement is correct regarding to above graph?

#Unit 2. Cellular Organization
  1. Cells with unreplicated DNA (1C) and with replicated DNA (2C). The cells between the two peaks represent cells that are in the process of undergoing mitosis.
  2.  Cells with replicated DNA (1C) and with unreplicated DNA (2C). The cells between the two peaks represent cells that are in the process of undergoing DNA replication.
  3. Cells with unreplicated DNA (1C) and with replicated DNA (2C). The cells between the two peaks represent cells that are in the process of undergoing DNA replication.
  4.  Cells with unreplicated DNA (1C) and with replicated DNA (2C). The cells between the two peaks represent cells that are in the process of arrest in G1 phase.
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TLS Online TPP Program

#Question id: 26909

#Unit 10. Ecological Principles

Organic matter is limited at one particular horizon layer and not found in other layer at which horizon layer has organic matter is limited?
TLS Online TPP Program

#Question id: 26910

#Unit 10. Ecological Principles

Carnivores are the animals that has the ability to obtaining amino acid by__
TLS Online TPP Program

#Question id: 26911

#Unit 10. Ecological Principles

Which of the following is the characteristics of a realized niche?
a. Resource utilisation more
b. Determine by abiotic factors
c. limiting the areas inhabited by their prey or  hosts
d. Limited their niche by the temperature
TLS Online TPP Program

#Question id: 26912

#Unit 10. Ecological Principles

Determine the correctness of the following given;  I-fundamental niche and  II-realized niche
a.Actual range of an organism in nature
b.Biotic factors 
c.Abiotic factors
d.Abundant range of an organism
TLS Online TPP Program

#Question id: 26913

#Unit 10. Ecological Principles

Metabolic rate of Ectotherm and endotherm with respect to variable temp, which of the following represented graph is correct?
TLS Online TPP Program

#Question id: 26914

#Unit 10. Ecological Principles

Some given statements about anti freezing are given;
a.some invertebrates to withstand temperatures as low as –18°C without freezing, in presence of glycoproteins
b.Sodium, potassium, or chloride ions involve to increasing  the blood freezing point, so the lack of these ions some species help to lower the blood freezing point
c.Amphibians release large amount of glucose into the blood to prevent freezing of blood in cold
d.Sodium, potassium or urea function as anti freezing in their blood
e.Glycine causes supercooling in plants
Which of the following statements about supercooling/anti freezing is correct?