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jekas [21]
3 years ago
14

I need help please....

Biology
1 answer:
garik1379 [7]3 years ago
3 0

Answer: population of bacteria can survive and flourish by using light independence reactions

Explanation: So like the bacteria perform chemical reactions which produce energy for them

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The original regimen known as Pasteurization consisted of:
algol13

Answer:

The correct option is: 4. Heat at 62.8 degrees C for 30 minutes

Explanation:

Pasteurization is the process or technique of heating packaged as well as the unpackaged liquid food, to remove pathogens and extend the shelf life. In this process,<u> the food is usually heated at temperatures below 100 °C.</u>

Originally, this process involved heating the food at 72.2 °C for 15 seconds and <u>62.8 °C (145 °F) for 30 minutes, for batch pasteurization.</u>

4 0
3 years ago
A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increas
Lisa [10]

Answer:

a The volume of the liquid should be measured before it is heated.

Explanation:

A student would like to determine how heating a liquid changes its volume. The student hypothesizes that the liquid will increase in volume. The following list shows the steps taken by the student in order to test the hypothesis.

Select the liquid to test.

Place the liquid in a sealed container.

Use a Bunsen burner to heat the liquid by 10°C.

Measure the volume of the liquid.

Record the results.

What is wrong with how the student conducted the investigation?

a The volume of the liquid should be measured before it is heated.

b The hypothesis was not valid because it is impossible for liquids to change in volume.

c The student should have increased the temperature of the liquid by more than 10ºC.

d The length of time it took for the liquid to be heated should be measured.

The answer is A i.e The volume of the liquid should be measured before it is heated. I think this is surely right!!

5 0
2 years ago
What must take place in the lungs prior to the newborn's first breath? A. Blood must be drained from the alveolar capillaries B.
Iteru [2.4K]

Answer: Drainage or absorption of amniotic fluid

Explanation: Amniotic fluid act as a cushion to a growing foetus and provides the foetus with nutrients and biochemical products from the mother via the blood vessels of the placenta. When the date of baby delivery grows closer the lungs absorbs some of the fluid. Soon after birth the newborn's first step to independence begins with breathing on its own.They gasp and cry taking in air that fills the lungs. This expels the remaining amniotic fluid that was in the lungs and begins its own independent breathing.

3 0
3 years ago
A. histamine released from mast cells causes relaxation of smooth muscle in the walls of capillaries, which increases local bloo
RUDIKE [14]
Un what's even the question so that I can help you get the answer???
7 0
3 years ago
Describe the process of cloning from start to finish.
abruzzese [7]

Answer:

1. Isolation of donor DNA fragment or gene.

2. Selection of suitable vector.

3. Incorporation of donor DNA fragment into the vector.

4. Transformation of recombinant vector into a suitable host cell.

5. Isolation of recombinant host cell.

3 0
3 years ago
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