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timama [110]
3 years ago
9

HELPPPPPP MEEEEEEEEE PLEASEEEEEE

Biology
1 answer:
lisabon 2012 [21]3 years ago
3 0

Answer:

Deoxyribonucleic acid (DNA) is a unique set of instructions that are in every cell. DNA provides the organisms' cells instructions needed to survive and reproduce.

Explanation:

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Which of these requires a host cell to copy its genetic material and protein coat?
svet-max [94.6K]

The virus' DNA becomes a part of the host cell's DNA, and every time the host cell copies and divides, it also copies viral DNA. The viral DNA may remain inactive (a provirus) for a long time, but it can become active when it frees itself from the host's chromosome, which triggers the lytic cycle.

I forget which one is the virus' DNA


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3 years ago
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Which statement is true about the layers of the Earth? * 1 as temperature and pressure increases, density increases 2 As tempera
nignag [31]

Answer:

1. As temperature and pressure increases, density increases

Explanation:

The earth is composed of three main layers: Crust, Mantle and Core. The density or mass per unit volume of the earth's layers increases as one moves from the surface towards the interior of the earth known as the core. Also, there is an increase in pressure and temperature as depth increases. There are three main sources of heat in the earth's core: (1) conserved heat from when the planet formed and coalesced, (2) heat due to friction caused by denser core material sinking to the center of the planet, and (3) heat from the decay of radioactive elements.

The earth's core is composed almost entirely of the metals, iron and nickel. The core has an inner solid layer and a molten outer core. Iron and nickel are both very dense metals, so the core of the earth is very dense and the density increases with depth with the inner core being the most dense layer of the earth.

7 0
3 years ago
An apple pudding is prepared by combining apples, sugar, butter, and lemon juice. To which category does it belong? A. compound
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The apple pudding which is prepared by the combination of the sugar, apples, lemon juice, and butter belongs to the category of mixture. Since, multiple substances are included in the apple pudding recipe, it falls under the category of elements. A mixture can be defined as the substance which is formed by the mixing of the two or more than two substances. A compound can be defined as anything which is composed of two or more than two elements. . On the other hand, an element can be defined as the substance which have the same atoms present in it. Atom is the smallest constituent having chemical properties. and a group of atoms is known as molecules. Hence, an apple pudding is a mixture.

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Which group of non-prokaryotic organisms studied in microbiology typically have two life cycle stages: trophozoite and cyst?
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The correct answer is Protozoa.

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Learn more about Protozoa here:-

brainly.com/question/2937170

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7 0
2 years ago
Please?!<br> How many strands do RNA have?
Rufina [12.5K]

Answer:

One

Explanation:

RNA is a single-stranded molecule

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