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2 years ago

The chart below contains characteristics that can

Chemistry

1 answer:

Serhud [2]2 years ago

8 0

Image attached of question in table layout

Answer/Explanation

Organism A does not have a membrane-bound nucleus, whereas organism C does
Organism C is heterotrophic (relies on other organisms for a food source) whereas organism A is autotrophic (synthesises its own food)

These observations suggest that organism A is prokaryotic and organism C is eukaryotic.

Eukaryotic organisms have membrane-bound organelles such as a nucleus. This is where the DNA is housed. In contrast, prokaryotes do not have membrane-bound organelles. their DNA molecule is housed in a region of the cytoplasm called the nucleoid that is not separated from the rest of the cytoplasm by a membrane.

Eukaryotic organisms are also mostly heterotrophic, meaning they need to consume other living things to synthesise their food (exceptions include green plants which synthesise their food by photosynthesis). Some prokaryotes can use energy from light or chemicals to synthesise their own food source. This means they are autotrophic.

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How are we made from star debris? What does this mean? Explain

4vir4ik [10]

Answer:

How star stuff got to Earth

When it has exhausted its supply of hydrogen, it can die in a violent explostion, called a nova. The explosion of a massive star, called a supernova, can be billions of times as bright as the Sun , according to "Supernova," (World Book, Inc., 2005). Such a stellar explosion throws a large cloud of dust and gas into space, with the amount and composition of the material expelled varying depending on the type of supernova.

A supernova reaches its peak brightness a few days after it first occurred, during which time it may outshine an entire galaxy of stars. The dead star then continues to shine intensely for several weeks before gradually fading from view, according to "Supernova."

The material from a supernova eventually disperses throughout interstellar space. The oldest stars almost exclusively consisted of hydrogen and helium, with oxygen and the rest of the heavy elements in the universe later coming from supernova explosions, according to "Cosmic Collisions: The Hubble Atlas of Merging Galaxies," (Springer, 2009).

"It's a well-tested theory," Impey said. "We know that stars make heavy elements, and late in their lives, they eject gas into the medium between stars so it can be part of subsequent stars and planets (and people)."

Cosmic connections

So, all life on Earth and the atoms in our bodies were created in the furnace of now-long-dead stars, he said.

In 2002, music artist Moby released "We Are All Made of Stars," explaining during a press interview that his lyrics were inspired by quantum physics. "On a basic quantum level, all the matter in the universe is essentially made up of stardust," he said.

Explanation:

7 0

2 years ago

A 40-lb container of peat moss measures 14× 20× 30 in. A 40-lb container of topsoil has a volume of 1.9 gal. Calculate the avera

Viktor [21]

The average density of the peat moss in units of g/cm³ is 2.52 g/cm³

<h3>How to convert 40 lb to grams (g)</h3>

We'lol begin by converting 40 lb to grams (g). This can be obtained as follow:

1 lb = 453.592 g

Therefore,

40 lb = (40 × 453.592) / 1 lb

40 lb = 18143.68 g

<h3>How to convert 1.9 gal to cm³</h3>

We can convert 1.9 gal to cm³ as follow:

1 gal = 3785.41 cm³

Therefore,

1.9 gal = (1.9 gal × 3785.41 cm³) / 1 gal

1.9 gal = 7192.279 cm³

<h3>How to determine the density </h3>

The density can be obtained as follow:

Mass = 18143.68 g
Volume = 7192.279 cm³
Density =?

Density = mass / volume

Density = 18143.68 / 7192.279

Density = 2.52 g/cm³

Learn more about density:

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8 0

1 year ago

What is the name for this type of reproduction?

mario62 [17]

Answer:

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Reproduction is defined as the production of individuals of the same species, that is the next generation of the species.

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There are basically two types of reproduction - asexual and sexual.

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Asexual reproduction involves only one parent and the offspring is

genetically similar to the parent ...

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The different types of asexual reproduction are fission, budding, fragmentation, spore formation and vegetative propagation.

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Sexual reproduction is a type of reproduction that involves a complex life cycle in which a gamete (such as a sperm or egg cell) with a single set of chromosomes combines with another to produce a organism composed of cells with two sets of chromosomes .

Asexual reproduction is a type of reproduction which does not involve the fusion of gametes or change in the number of chromosomes. The offspring that arise by asexual reproduction from a single cell or from a multicellular organism inherit the genes of that parent.

Explanation:

Your very welcome!!! :) :) :)

4 0

2 years ago

What do acids do in solution?

KiRa [710]

B
The answer should be B.....

3 0

2 years ago

Which of the following describes a solution of 1 gram of salt dissolved in 500 mL of water?

Greeley [361]

Answer:

Explanation:

Homogeneous= all particles are dissolved thoroughly

Solute= 1 gram of salt

Solvent= 500 mL water

8 0

2 years ago