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3 years ago

When subjected to heat and pressure,a chemical sedimentary rock can be changed into which rock type?

Biology

2 answers:

Nana76 [90]3 years ago

6 0

Answer:

Option (A)

Explanation:

The metamorphic rocks are defined as those rocks that are formed due to the increasing pressure and temperature conditions. They are known as the secondary rocks because they are directly derived from either igneous or sedimentary or other metamorphic rocks. For example, Quartzite, Schist, Gneiss and Marble.

Due to the high amount of temperature and heat conditions, the chemical composition of the rock alters and changes to a more higher grade rocks. This metamorphic rocks are mainly of 2 types. They are as follows-

(1) Foliated- For example, Schist and Gneiss

(2) Non-foliated- For example, Marble and Quartzite.

Thus, the correct answer is option (A).

miv72 [106K]3 years ago

3 0

A- metamorphic rock.
metamorphic rocks are created through heat and pressure

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You are doing an experiment involving antibiotic resistance in your study bacteria. This organism grows well on LB - Miller agar

KiRa [710]

Answer:

See the answer below

Explanation:

The stock solution of Gentamycin has a concentration of 5 mg/ml while each plate needs to contain 50 micrograms/ml of Gentamycin.

5 mg/ml = 5000 micrograms/ml

There is a need to dilute the stock antibiotic solution in order to arrive at 50 micrograms/ml. Using the dilution principle;

m1v1 = m2v2

5000 x 1 = 50 x v2

v2 = 5000/50 = 1000 ml

Hence, in order to prepare 50 micrograms/ml, 1 ml of the stock Gentamycin should be taken and diluted with 999 ml of distilled sterilized water. 1 ml of the diluted Gentamycin will then be added to each agar plate while they are still in the molten form at a warm temperature.

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3 years ago

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Roman55 [17]

Answer:

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Explanation:

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3 years ago

List two examples of how cells' shapes are suited to their functions?

sukhopar [10]

Answer:

Red blood cell in humans - it has no nucleus. Hence it offers the cell to carry more haemoglobin.

- they are disc shaped allowing them to pass through narrow capillaries.

Root hair cells in plants- they have a large cytoplasm which enables them to take water from the soil.

White Blood Cells in humans - they have lobed nucleus and so can change their shape to pass through narrow capillaries.

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5 0

2 years ago

The body produces antibodies complementary to foreign antigens. The process by which the body comes up with the correct antibodi

lys-0071 [83]

The question is incomplete as it does not have the options which are:

going to a tailor and having a suit made to fit you
selecting a lottery prize-winner by means of a random drawing
going to a shoe store and trying on shoes until you find a pair that fits
ordering the lunch special at a restaurant without looking at the menu
picking out a video that you haven't seen yet

Answer:

Going to a shoe store and trying on shoes until you find a pair that fits

Explanation:

Antibodies are the immunoglobulin molecules secreted by the B cells which help the body providing the immunity as they interact with the antigen and help immune system to produce a response.

The variety of the B cells are produced by the body in response to different antigens which produce different type of antibodies. This interaction of antigen and antibodies is known as the complementation and just appear like if you are going to a shop to buys a pair of shoes and tries different shoes to find the best shoe of best size.

Thus, the selected option is correct.

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4 years ago

How do organisms with small genomes, such as escherichia coli, carry out so many different biochemical reactions?

gayaneshka [121]

They carry out so many different because they are transmitted through fecal oral, and found mostly in food

5 0

3 years ago