Which of the following is a TRUE statement about the differences between prokaryotic
and eukaryotic cells?
a. Eukaryotic cells contain a plasma membrane and cytoplasm, but prokaryotic cells
do not
b. Prokaryotic cells contain a nucleus and eukaryotic cells do not
C. Prokaryotic cells lack organelles, but eukaryotic cells possess organelles
d. All of the above are true
Answer:
B
Explanation:
The statement that gives the differences between prokaryotic and eukaryotic cells as regards this question is B: Prokaryotic cells contain a nucleus and eukaryotic cells do not.
Eukaryotic cells can be regarded as a cell that posses membrane-bound nucleus, while prokaryotic cell can be regarded as cells that doesn't posses a membrane-bound nucleus.Examples of organisms that can regarded as a eukaryotic are ; protists, fungi and plants, while that of prokaryotic cells are; bacteria and cyanobacteria archaea.Therefore, option B is correct.
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The lab setup shows four test tubes. Tube 1 contains water only. Tube 2 contains a live snail. Tube 3 contains a live green water plant. Tube 4 contains both a live green water plant and a live snail.
In this setup, which tubes contain at least one organism carrying on cellular respiration?
A) Tubes 1 and 2 only.
B) Tubes 2 and 4 only.
C) Tubes 3 and 4 only.
D) Tubes 2, 3, and 4 only.
Answer:
I would assume D
Explanation:
Tube 1 doesn't contain an organism so it can't be that one. Both a snail and a plant are considered an organism, and cellular respiration occurs in almost any organism's cells
Answer: D) tubes 2, 3, and 4, only
Explanation:
I got this question on a test and got it right:)
What are the two main proceses of the carbon cycle?
Answer:
this chart will help!
Explanation:
What would the density be of an object that has a mass of 50 g (grams) and a
volume of 10 ml (milliliters)?
Answer:
5
Explanation:
D=m/v
D=50/10
D=5
The density of an object that has a mass of 50 g and a volume of 10 ml would be:
Density = Mass / Volume
= 50 g / 10 ml
= 5 g/ml
What is density?Density is a measure of the mass of an object per unit of volume. It is a characteristic property of a substance and is often used to identify and classify materials. The density of an object can be affected by a variety of factors, including its composition, temperature, and pressure.
In general, denser materials tend to be heavier and more compact, while less dense materials tend to be lighter and less compact. For example, a substance with a high density, such as gold, will be much heavier than a substance with a low density, such as air.
Overall, the density of an object can be useful for understanding its physical properties and how it will behave in different situations.
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An area that has a lower solute concentration than another location
A total solar eclipse is not viewable from everywhere on the side of Earth facing
the sun. Why not?
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the answer is down below
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Answer:
The Moon is smaller then the Sun and Earth, its shadow isn't very big. Some places on the planet get to witness this event. People who lives on the sunny side of Earth cannot see the solar eclipse. People who lives in the moon's shadow can see the solar eclipse, while other peers miss it.
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i hope the answer helps you
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PLEASE HELPPPPPPPPPPP
Answer: The grease helped the loosen the chain. This is because of increased friction, and also because a rusty and dirty chain also means a rusty and dirty gear set and drive train, and imprecise shifting.
Explanation:
Compare and contrast what happens in mitosis and meiosis. (4 points)
a
Mitosis is important for growth and repair, while meiosis occurs in cells involved in sexual reproduction.
b
Mitosis is important for reproductive cells, while meiosis is needed for growth and repair of body cells.
c
Mitosis is a process that results in genetically different daughter cells, while meiosis is a process that results in identical daughter cells.
d
Mitosis is a process that requires two cell divisions, while meiosis is a process that requires one cell division and results in identical daughter cells.
Answer:
mitosis is important for growth and repair while meiosis occurs in cells involved in sexual reproduction
Answer:
the answer for this question would be "A"
Explanation:
1. Why were populations able to get so big? What happened that allowed this to happen?
2. What do you think will happen if the populations of humans continued to increase
3. What could happen that could limit the population or cause it to decrease ( Stop growing )
Answer:
1. reproduction
2. we could run out of food as not enough is produced fast enough
3. lack of food, women and men who are infertile or diseases which can kill people
Naturally formed features on the surface of the earth are called ___________?
Answer:
landform
A landform is a natural or artificial feature of the solid surface of the Earth or other planetary body. Landforms together make up a given terrain, and their arrangement in the landscape is known as topography.
Answer:
LandformsHope this helps you
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50 POINTS PLS ANSWER!!!!
1. Honey Bees are becoming extinct. Which biotechnology could we use to help alleviate that problem and produce more honey bees?
2. Bees need flowers that produce a lot of pollen. Which biotechnology could scientists use to make flowers full of pollen?
Answer: Which biotechnology could we use to help alleviate that problem and produce more honey bees? So far no one has come up with a fix. But now scientists are on the case — and some of their possible solutions sound pretty wild.
Explanation:
Answer:
I know you posted this question in 2020 but ima answer anyway incase somebody may need this.
1. - cloning
2. - i had trouble figuring out this question but im pretty sure your answer is genetic engineering
Explanation:
if you have any questions feel free to message me on my account :)
Why is phosphorus important to living things?
what element must a molecule contain to be considered organic?
Organic compound, any of a large class of chemical compounds in which one or more atoms of carbon are covalently linked to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen. The few carbon-containing compounds not classified as organic include carbides, carbonates, and cyanides.
hope this help!
What are organism that break down dead organism called
Answer:
Decomposers
Explanation:
Answer:
Decomposers
Explanation:
they get energy by eating them
Which is a part of the cell theory?
Answer: The generally accepted parts of recent cell doctrine include: All known living things are made of one or more cells. All living cells arise from pre-existing cells by division. The cell is that the fundamental unit of structure and performance all told living organisms. I hope this helps :)
Why is a cell membrane so important
Answer:
-provides protection for a cell
-provides a fixed environment inside the cell.
-The cell membrane also provides some structural support for a cell.
Explanation:
Answer: The cell membrane is very important because it provides mainly all the protection over the cells. It’s flexibility also helps a LOT!
.A substance from outside needs to reach genes in the cells of your body. In which order will it encounter different parts of the cell? cell wall -- cell membrane--- nuclear membrane ---cytoplasm—gene cell membrane--- cytoplasm –gene cell membrane--- cell wall ----cytoplasm---- nuclear membrane---- gene cell membrane -----cytoplasm----- nuclear membrane----- gene
Answer:
cell membrane -----cytoplasm----- nuclear membrane----- gene
Explanation:
A cell is made up of three part this include the cell membrane, the cytoplasm and the nucleus.
cell membrane encloses the cells and it prevent external material from getting inside the cell while the nucleus is formed by a nuclear membrane around a fluid nucleoplasm. chromatin in the nucleus contain deoxyribonucleic acid (DNA) which is the genetic material of the cell.
The cytoplasm is fluid found in the cell. It is gel like in nature and a medium for chemical reaction.
cell membrane -----cytoplasm----- nuclear membrane----- gene
The arrangement will be a cell membrane for protection followed by the cytoplasm thatbis located in between the cell membrane and the nucleus then the nuclear member found around the nucleus. The nucleus contains the DNA which is the genetic information of an individual gene.
guys go to my question before this one because it is worth 55 points
or u can just do it right now....
Which list places the layers of the sun in the correct order from innermost to outermost?
Corona, photosphere, chromosphere
Photosphere, convective zone, radiative zone
Convective zone, chromosphere, corona
Radiative zone, corona, convective zone
60 points...the third answer is wrong just to lyk
Answer: The outer layers are the Photosphere, the Chromosphere, the Transition Region and the Corona.
Explanation: Hope this helps! :)
Answer: A
Explanation: I hope its rii
On opening night, a movie theater sold
$1,712 in tickets for the first showing.
If each ticket cost $8, how many tickets
were sold?
Answer:
214
1712 / 8 = 214
The tendency to view one's own culture or group as superior to others.
ideology
reformulation
internalization
self-fulfillment
narcissism
ethnocentrism
True or false
Answer:
ETHNOCENTRISM.. . the tendency to view one's own culture and group as superior to others.
Which of the following continents was not covered by ice during the Pleistocene ice age?
a.
Europe
b.
Asia
c.
Australia
d.
North America
The disruption of which cell function leads to gene mutations that result in cancer?
DNA replication
RNA transcription
RNA translation
protein synthesis
Answer:
its the first one dna replication !!
What type of solvent would dissolve a nonpolar solute
Answer:
Explanation:
For example, ionic compounds, which are very polar, are often soluble in the polar solvent water. Nonpolar substances are likely to dissolve in nonpolar solvents. For example, nonpolar molecular substances are likely to dissolve in hexane, a common nonpolar solvent.
Answer:
Explanation:
Like dissolves in like, so only non-polar solutes can dissolve in non-polar solvents.
What happens when a gene is expressed?
the gene is mutated
the gene dies
the gene is able to specialize
the gene duplicatesexactly
Answer:
Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. The cell reads the sequence of the gene in groups of three bases.
Explanation:
Answer:
lol
Explanation:
1 and 2
How many different species of living things exist today?
Answer:
About Eight million, seven hundred thousand!
Hope this helps :)
Answer:
To this day, a total of 1.3 million species have been identified and described, but the truth is that many more live on Earth. The most accurate census, conducted by the Hawaii's University, estimates that a total of 8.7 million species live on the planet.
The scientific method is
a way scientist make problems and ask questions
a way scientists think about the worlds problems
a ways scientists never solve problems
a way scientists answer questions and solve problems
biomolecules include lipids,proteins,carbohydrates and nucleic acids.
Answer:
Biomolecules are an organic molecule that includes carbohydrates, protein, lipids, and nucleic acids. They are important for the survival of living cells.
Explanation:
A biomolecule or biological molecule is a loosely used term for molecules present in organisms that are essential to one or more typically biological processes, such as cell division, morphogenesis, or development.
Now whats the question to this statment?
ccording to cell theory, viruses are considered nonliving because they
Answer:
Reproduce in the host body
Write for each one if it is quantitative or qualitative.
1. The first plant specimen had three more leaves than the second specimen.
2.The leaves on the first plant specimen appeared healthier.
3. The leaves on the first plant specimen were green, while the leaves on the second plant specimen were turning brown.
4. The flower face turned seventy degrees to follow the sunlight during the daytime.
5. The plants were observed over a period of ten days.
6. Each plant produced an average of four ounces of seeds.
7. The petals on the second plant were shriveled around the edges.
8. The first plant grew one inch taller than the second plant.
9. Each plant produced fragrant blossoms.
10. The second plant showed a decreased growth rate.
Answer:
Solution:
1. quantitative
2. qualitative
3.qualitative
4. quantitative
5. quantitative
6. quantitative
7. qualitative
8.quantitative
9. qualitative
10. qualitative
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