compare and contrast the structure of prokaryotic and eukaryotic cells.

Answers

Answer 1

Answer:

Prokaryotic -Do not have a nucleusHave DNA arranged in a circular chromosomeDo not have membrane bound organellesSmaller in sizeOlderEukaryotic-Have a nucleus, vacuoles, mitochondria Have DNA arranged in a linear chromosomeHave membrane bound organellesLarger in sizeBoth- Contain: cell membrane, cytoplasm, ribosomes, DNAFunction is to make proteinshave certain parts that help them accomplish their function


Related Questions

both vascular and nonvascular plants are
a. small
b. autotrophs
c. heterotrophs
d. large

Answers

Answer:

a. is the correct answer of this question

HELP ASAP please i need it

Answers

Answer:

nearmess to mountain ranges

Explanation:

relate diffusion and equilibruim​

Answers

Since diffusion moves materials from an area of higher concentration to the lower, it is described as moving solutes "down the concentration gradient." The end result of diffusion is an equal concentration, or equilibrium, of molecules on both sides of the membrane. At equilibrium, movement of molecules does not stop.

The region that overlaps with the upper mantle and is below the lithosphere is an area of

rock that moves in a somewhat plastic like motion: What is this region called?

Asthenosphere

O Upper Mantle

O Lithosphere

O Outer Core

Answers

The correct answer would be Asthenosphere.

The Asthenosphere is defined as the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.

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7) What percentage of ppm of dissolved oxygen indicates good water quality?

a) 6.7
b) 8
c) 4.5
d) Below 4.5

Answers

Answer:

The answer is c. 4.5

what phase does this represent?

Answers

Answer:

I believe it would be mitosis.

Explanation:

In what ways are the features of a plant living in water different from a plant living on land ?

Answers

Answer:

Earth, both on land and in water. Wherever they

live, plants provide food and oxygen to the

creatures that live nearby – including humans!

In this activity we will examine both a

terrestrial (land) plant and an aquatic (water)

plant. They have many things in common, but the

ways they get air, food and water change along

with the environments in which they live.

Explanation:

The cell membrane is composed of a phospholipid bilayer containing proteins and carbohydrates. Choose ALL of the statements that accurately reflect the
structure and its function.


1. Membrane proteins may be enzymes to catalyze metabolic reactions within the cell.

2. Membrane proteins may contain cholesterol to serve as identification tags for other cells.

3. Channel proteins allow a specific molecule to cross the cell membrane that is unable to cross the
phospholipid bilayer unassisted.

4. Receptor proteins bind to ligands, initiated cell signaling pathways.

5. Molecules that are large or nonpolar must use membrane proteins for transport

Answers

Answer:

option 1,3, and 4

-Membrane proteins may be enzymes to catalyze metabolic reactions within the cell.

-Channel proteins allow a specific molecule to cross the cell membrane that is unable to cross the phospholipid bilayer unassisted.

-Receptor proteins bind to ligands, initiated cell signaling pathways.

Explanation:

I did the assignment on USATestprep and got them right.

The statements accurately reflect the structure and function of the phospholipid bilayer are:

1. Membrane proteins may be enzymes to catalyze metabolic reactions within the cell.

3. Channel proteins allow a specific molecule to cross the cell membrane that is unable to cross the phospholipid bilayer unassisted.

4. Receptor proteins bind to ligands, initiating cell signaling pathways.

What are phospholipids?

Phospholipids are distinct compounds with many uses. They are common and serve as the primary building blocks of cellular membranes.

Phospholipids, which are arranged as lipid bilayers, are crucial for the composition and operation of biological membranes. These layers contain proteins and carbohydrates that help in the transport of material from and to the cell.

Therefore, the correct options are 1, 3, and 4.

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If two roan cattle were crossed, what percent of the offspring would you expect to have a roan coat? Fill in the blank text field 1

Answers

Answer:

50%

Explanation:

I just did the question

If two roan cattle were crossed, then 50% percent of the offspring are expected to have a roan coat color.

A heterozygous individual is an organism that carries out two different alleles for the same gene locus.

In this case, the 'roan' coat color is observed in heterozygous individuals (genotype R1R2).

In consequence, the cross between two heterozygous individuals will produce a progeny in a 1:2:1 proportion.

In conclusion, if two roan cattle were crossed, then 50% percent of the offspring are expected to have a roan coat color.

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Why is lactic acid the end product of fermentation and not the PYRUVATE molecule?

Answers

Answer:

Well the main difference would be that lactic Fermentation doesn't use oxygen while the Pyruvate cycle does

Explanation:

Lactic Fermentation is Anaerobic Respiration

The cycle that uses Pyruvate is Aerobic Respiration

(ONLY ANSWER IF YOU KNOW)
The excerpt below was written by Henry Stimson in 1941:

The atomic bomb was more than a weapon of terrible destruction, it was a psychological weapon


What did Stimson mean by this statement?


A. US leaders had tricked the Japanese into thinking they were more powerful than they were

B. Skillful use of the atomic bomb could force opponents to make concessions.

C. The atomic bomb was an ineffective way to end war

D. The atomic bomb was not quite as dangerous as many people thought

Answers

Answer:

C

Explanation:

The atomic bomb was an ineffective way to end war

Can i get example of ecosystems that I can investigate during winter?

PLS

Answers

Dunno.....tundra is the best one, or maybe subnivium? But I forgot if subnivium counts as an ecosystem

Help with this please

Answers

Answer:

ok sike i lied you thought i tried

Explanation:

What type of rock will you find near the mouth of a river?​

Answers

Answer:

I believe the answer is a sedimentary rock

If a dormant volcano starts to release gases and small earthquakes are recorded, what could this mean?

Answers

Answer: It means that its showing some volcanic activity that could lead into an eruption.

Explanation: Dormant volcanoes can show activity/signs that is could erupt. Gases, small earthquakes, loud explosions are signs of an eruption is going to occur. If a dormant volcano hasn't showed any activity for 2,000 years, its considered to be dead or extinct.

It indicates that there is some volcanic activity, which could lead to an eruption.

What is dormant volcano?

Dormant volcanoes are those that have not erupted in a long time but are expected to do so in the future. Mount Kilimanjaro in Tanzania, Africa, and Mount Fuji in Japan are examples of dormant volcanoes.

Volcanoes become dormant when magma from the Earth's mantle can no longer reach them. Mount Rainier and Mount Fuji are examples of dormant volcanoes that are "sleeping" but may awaken in the future.

Dormant volcanoes can exhibit activity/signs that they are about to erupt. Gases, small earthquakes, and loud explosions are all indicators that an eruption is about to occur.

If a dormant volcano hasn't erupted in 2,000 years, it's considered dead or extinct.

Thus, this way, it indicates that it could lead to eruption.

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It is the amount of money that a seller sets for the item or product for sale?

Answers

Answer:

Expenses

Explanation:

in what ways are plants and animals dependent on eachother?

Answers

Answer:

Animals like herbivores and omnivores depend on plants for their food

Plants depend on animals

Plants also provide shelter for animals

They make oxygen for the animals to live.

When animals are dead the slowly decompose to form a natural manure

for the plants

Animals breath out carbon dioxide which is needed for plant for the process of photosynthesis

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which organ is part of the body system that transports nutrients from food through the entire body

Answers

Answer:

The Circulatory System

Explanation:

The organisms that are most likely present in the largest numbers are
А
Microscopic algae
B
Herring gull
С
Crab
D
Common seals

Answers

Answer:

Microscopic algae should be the answer

what are disadvantages of planting more trees or gardens for the world, plannet, enviornment, and community? HELP PLEASE I NEED AN EXPLANTION! THIS IS ALMOST DONE! I NEED AT LEAST 3 DISADAVTAGES PLEASE!

Answers

Answer:

1. While this helps make our air cleaner, it provides less space.

2. It takes effort and patience for trees to start growing on their own.

3. It can be costly when planting a lot of trees in an area.

Explanation: They make sense.

I can’t think of a lot of disadvantages but one could be that there wasn’t enough animals in this area because it is a fresh planted area

What is the force of attraction objects have due to their mass

Answers

Gravitational


Explain

Which apparatus allows us to appreciate the cell internal structures more clearly?

Answers

Answer: a light microscope is likely the answer they are after (can get to micrometer range)

an electron microscope is even more powerful it can get into the nanometer range

Explanation:

Calculate the mass of the book on the moon.
On moon surface gravity (g) is 1.6 N/kg

Answers

Answer:

The Moon has a smaller mass than the Earth and so the pull of gravity by the moon on an object is smaller than on the earth. The moon has a smaller gravitational field strength. On the Moon, g = 1.6 N/kg.

Explanation:

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When air particles are close together what is it called

Answers

Answer:

slavery

Explanation:

because i like bbc

Answer:

Compression

Explanation:

The air particles are being pushed together.

Termination of the abdomen in which the anus is located *
telson
Cheliped
carapace
mandibles

Answers

Answer:

Telson

Explanation:

its the last segment of the abdomen.

Environmental pressures for a shark and are the variations due to that pressure?

Answers

Basically. A heavy. Feeding frenzy

If a DNA sequence is T A C C A T G G A A T T A C T, what is the matching RNA code?
A.) T T C A A T G G T C T A G G G
B.) A A C A A U G G U C U A G G G
C.) T A C C A T G G A A T T A C T
D.) A U G G U A C C U u A A U G A

Answers

Answer:

d

Explanation:

there change only tymine in cytosine

How many parts can be distinguished in the cerebellum?​

Answers

Answer:

three lobes

Explanation:

three lobes

Explanation:

Based on the surface appearance, three lobes can be distinguished within the cerebellum: the anterior lobe (above the primary fissure), the posterior lobe (below the primary fissure), and the flocculonodular lobe (below the posterior fissure).

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what is the name of the simple chart that shows the flow of energy from one organism to anotherwhat is the name of a network of interconnected food chains showing the energy flow through an ecosystem ​

Answers

Answer:

energy pyramid

Explanation:

An energy pyramid is a model that shows the flow of energy from one trophic level to the next along a food chain.

The cycle of energy is based on the flow of energy through different trophic levels in an ecosystem. ... At the first trophic level, primary producers use solar energy to produce organic material through photosynthesis. The herbivores at the second trophic level, use the plants as food which gives them energy.

Analyze the relationship between the amount of moisture in the air and the temperature of the wet bulb in a hygrometer

Answers

Answer:

krfmfmskjvmc,ckckdkchfm

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