Name two reproductive hormones secreted by the pituitary gland in women.

Answer:

Answer
- Follicle stimulating hormone
- Oxytocin
- Luteinizing hormone

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Explain what would happen to red blood cells if they are placed in a concentrated salt solution. (Answered)
Explain what would happen to red blood cells if they are placed in a concentrated salt solution. .
Posted On:Mon 1, March 2021 04:29:17 am

Why is oxygen important in the process of active transport in cells? (Answered)
Why is oxygen important in the process of active transport in cells? .
Posted On:Mon 1, March 2021 04:30:09 am

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Posted On:Mon 1, March 2021 04:38:47 am

An experiment was set up as shown below. The setup was left for 30 minutes. (a) State the expected results (b) Explain your answer in (a) above (Answered)
An experiment was set up as shown below. The setup was left for 30 minutes. (a) State the expected results (b) Explain your answer in (a) above .
Posted On:Mon 1, March 2021 04:47:48 am

The diagram below show a red blood cells that was subjected to a certain treatment. Account for the shape of the cell at the end of the experiment (Answered)
The diagram below show a red blood cells that was subjected to a certain treatment. Account for the shape of the cell at the end of the experiment .
Posted On:Mon 1, March 2021 04:56:06 am

A freshly obtained dandelion stem measuring 5cm long was split lengthwise to obtain two similar pieces. The pieces were placed in solutions of different concentrations in petri dishes (L1 and L2) for 20 minutes. The appearance after 20 minutes is as shown (a) Account for the appearance of the pieces in solution L1 and L2 (b) State the significance of the biological process involved in the (Answered)
A freshly obtained dandelion stem measuring 5cm long was split lengthwise to obtain two similar pieces. The pieces were placed in solutions of different concentrations in petri dishes (L1 and L2) for 20 minutes. The appearance after 20 minutes is as shown (a) Account for the appearance of the pieces in solution L1 and L2 (b) State the significance of the biological process involved in the .
Posted On:Mon 1, March 2021 05:00:18 am

Name the type of movement that occurs within a plant cell (Answered)
Name the type of movement that occurs within a plant cell .
Posted On:Mon 1, March 2021 05:29:03 am

The diagram below show an experimental set-up to investigate a certain process in a plant tissue. Explain the results obtained after 30 minutes. (Answered)
The diagram below show an experimental set-up to investigate a certain process in a plant tissue. Explain the results obtained after 30 minutes. .
Posted On:Mon 1, March 2021 05:34:04 am

In an investigation a student extracted three pairs of pawpaw cylinders using a cork borer. The cylinders were cut back to 50mm length and placed in a beaker containing a solution. The results after 40 minutes were as shown in the table below. (a) Account for the results in the table above. (b) What would be a suitable control set up for the investigation? (Answered)
In an investigation a student extracted three pairs of pawpaw cylinders using a cork borer. The cylinders were cut back to 50mm length and placed in a beaker containing a solution. The results after 40 minutes were as shown in the table below. (a) Account for the results in the table above. (b) What would be a suitable control set up for the investigation? .
Posted On:Mon 1, March 2021 05:38:02 am

Explain how an increase in temperature affects the rate of active of transport. (Answered)
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Posted On:Mon 1, March 2021 05:41:28 am

The diagram below represents a cell as seen under an electron microscope. (a) Based on the diagram, state whether it represents an animal cell or plant cell (b) Give two reasons for your answer in (a) above (Answered)
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Posted On:Mon 1, March 2021 05:45:04 am

State two ways in which osmosis is significant to plants (Answered)
State two ways in which osmosis is significant to plants .
Posted On:Mon 1, March 2021 05:48:46 am

The diagram below shows a set up for an experiment to demonstrate a certain physiological process (a) What nature of solution is represented by 20% sugar solution? (b) Explain the observation made on the set up after one hour. (Answered)
The diagram below shows a set up for an experiment to demonstrate a certain physiological process (a) What nature of solution is represented by 20% sugar solution? (b) Explain the observation made on the set up after one hour. .
Posted On:Mon 1, March 2021 05:53:30 am

What is meant by each of the following terms? (i) Crenated cell (ii) Flaccid cell (Answered)
What is meant by each of the following terms? (i) Crenated cell (ii) Flaccid cell .
Posted On:Mon 1, March 2021 05:57:29 am

The table provided shows the concentration of sodium and iodine in sea water and cell sap of a plant. (a) (i) Name the process through which the plant cell take up sodium ions. (ii) Give a reason for your answer in (a) (i) above. (b) If the plant was sprayed with a chemical that inhibit respiration. (i) Which of the two ions uptake will be affected? (ii) Give a reason for your answer in (b) (i) (Answered)
The table provided shows the concentration of sodium and iodine in sea water and cell sap of a plant. (a) (i) Name the process through which the plant cell take up sodium ions. (ii) Give a reason for your answer in (a) (i) above. (b) If the plant was sprayed with a chemical that inhibit respiration. (i) Which of the two ions uptake will be affected? (ii) Give a reason for your answer in (b) (i) .
Posted On:Mon 1, March 2021 06:07:24 am

Students set up an experiment as illustrated below. (a) Name the physiological process that resulted in the observation made after 30 minutes. (b) State the importance of the physiological process investigated in plants. (c) Explain the observation made after 30 minutes. (Answered)
Students set up an experiment as illustrated below. (a) Name the physiological process that resulted in the observation made after 30 minutes. (b) State the importance of the physiological process investigated in plants. (c) Explain the observation made after 30 minutes. .
Posted On:Mon 1, March 2021 20:15:02 pm

The set up below illustrate a certain physiological process. (a) (i) Name the physiological process (ii) Give two examples of the process named in (a) (i) above in plants. (b) State two ways by which the movement of dye molecules in the set up would be slowed down. (Answered)
The set up below illustrate a certain physiological process. (a) (i) Name the physiological process (ii) Give two examples of the process named in (a) (i) above in plants. (b) State two ways by which the movement of dye molecules in the set up would be slowed down. .
Posted On:Mon 1, March 2021 21:30:22 pm