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Sedbober [7]
3 years ago
13

The fluid mosaic model describes the plasma membrane as consisting of The fluid mosaic model describes the plasma membrane as co

nsisting of a phospholipid bilayer with embedded carbohydrates. diverse proteins embedded in a phospholipid bilayer. carbohydrates and phospholipids that can drift in the membrane. two layers of phospholipids with cholesterol sandwiched between them.
Biology
1 answer:
andre [41]3 years ago
8 0

Answer:

diverse proteins embedded in a phospholipid bilayer

Explanation:

According to fluid mosaic model the cell membrane is made of bilayer of phospholipid. Many proteins are embedded in this bi layer. Carbohydrate and cholesterol are also found in different forms. Carbohydrate can either be attached to the embedded protein in which case it is called as glycoprotein or it can be connected to the lipid molecule in layer and called as glycolipid.

Proteins can be found in two forms too. They can either be embedded in the layer i.e. they can penetrate single or both layers. These proteins are called as integral proteins. They can also be present on one side of the membrane and not penetrate the lipid bilayer in which case they are called as peripheral proteins.

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If a heterozygous dominant tall pea plant is crossed with a short pea plant, what is the expected phenotypic ratio of tall: shor
Maru [420]

Answer:

2 (tall) :2 (short) or 1:1.

Explanation:

Mendel is known as the father of genetics. He explains the laws of segregation and the laws of independent assortment by working on the pea plant <em>Pisum sativum.</em>

The height of tall pea plant be T and the short pea plant be t. The cross between heterozygous dominant tall pea plant (Tt ) and short pea plant (tt) is as follows:

Parents           Tt         ×          tt

The progeny obtained from the cross are Tt, tt, Tt and tt.

Two tall pea plants and two short pea plants.

Thus, the phenotype ratio is 1:1.

8 0
4 years ago
Octopuses and squids are part of the phylum Mollusca. They both have a large brain and highly developed eyes. Which other charac
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The both have 8 arms, the squid has an extra 2 tentacles though.
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3 years ago
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Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to
xeze [42]

Answer:

The process that Mildred used is known as Radiocarbon dating

Note: The question is incomplete. The complete question is given below:

Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to measure the amount of carbon-14 in her sample and compare this to the amount of carbon-12 in it. She uses this information to calculate that the fossil is 4,500 year old. The process that Mildred used is known as _______

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Faulting

Indexing

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Explanation:

Radiocarbon dating is a process of determining the age estimates of various objects and materials using the radioactive properties of an isotope of carbon, carbon-14.

Radiocarbon dating uses the ratio of two isotopes of carbon, carbon-12 and carbon-14 present in materials which contains carbon to determine their age.

There is a fairly constant ratio of carbon-12 and carbon-14 in living organisms. However, at death, due to the decay of carbon-14 to carbon-12, the ratio begins to change. Since the rate of decay of carbon-14 is fairly constant, a property known as half-life, the time it has taken for carbon-14 to decay to carbon-12 can be calculated. This calculated time will givee the age of the fossilised material.

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What big event marked the end of the mesozoic era?
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Some scientists believe it was due to a sudden meteor impacts and others believe it was a gradual build up of a couple things like volcanic activity, climate change and the meteor impact was the final blow for total destruction.


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3 years ago
Both aerobic cellular respiration and lactic acid fermentation produce ATP, though in different amounts. These two ATP-producing
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The answer is  B) ATP production begins with glucose. 
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