Answer:
A
Explanation:
Four of the six kingdoms are compromised of organisms that contain
eukaryotic cells. Which structure in a cell would give you the BEST
evidence that the cell is eukaryotic? *
O Ribosome
O Genetic material
O
Nucleus
O Cell membrane
Answer:
The best evidence that a cell is eukaryotic is the presence of the cell structure called the nucleus.
Explanation:
The most significant difference between eukaryotic and prokaryotic cells is that the former have a nucleus, where they store genetic information in the form of DNA.
The nucleus of eukaryotic cells occupies approximately the center of the cell and is a structure associated with the endomembrane system. Its function is to control cell activity, and its genetic material is duplicated before cell division.
In prokaryotic cells, in the absence of a nucleus, the genetic material is dispersed in the cellular cytoplasm.
Regarding the other options:
Both cell types, eukaryotes and prokaryotes, have ribosomes, genetic material and cell membrane.
Why can some things burn while other things cannot
Answer:
It is because of the chemical reaction taking place between the substance burning and the air just above it . ... This happen in many cases when the substance like sulfur because of the process called combustion of heat
What is the correct answer for question 4? I really need help. I’ll give a thanks, and brainliest.
Answer:
C) carbon dioxide
Explanation:
The Earth is the only planet in our solar system that seems capable of supporting life as we know it. Which of these characteristics
is NOT necessary if a planet were to support life?
A)
source of fresh water
B)
extreme global warming
C)
able to receive sunlight
D
small changes in temperature
Answer: B) Extreme global warming.
Explanation:
The Earth is the only planet in our solar system that seems capable of supporting life as we know it. The characteristic which is not necessary if a planet were to support life is extreme global warming. Thus, the correct option is B.
What is Extreme global warming?Global warming refers to the rise in the global temperatures mainly due to the increasing concentrations of greenhouse gases in the atmosphere. Climate change refers to the increasing changes in the measure of climate over a longer period of time including the precipitation, temperature, and wind patterns.
The anticipated increase in the precipitation, melting of the glaciers and also the expanding seas which have the power to influence the Indian climate negatively, with an increase in the incidence of floods, hurricanes, and storms. Global warming may also pose a significant threat to the food security situation in the country.
Therefore, the correct option is B.
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Which tool would be best to examine growth bands in the
scale of a fish—a hand lens, compound light microscope, dissecting microscope, or electron microscope? Explain.
Answer:
The correct answer is - compound light microscope
Explanation:
Growth bands in the scale of the fishes are used to determine and found out the age of fish by counting the number of annuli on a scale and proportional growth can find out by the space between scales.
A compound light microscope is a microscope that is used to examine or see the specimen that can not be seen by the naked eye or the hand lens, it provides the range of 40x-1000x magnification power.
solar radiation that is reflected does not impact earths overall energy budget. ( true or false ) ?
Answer:
i think it is true
Explanation:
Alice wants to find out whether her pet gecko finds its prey based on vision. She thinks that her gecko will more easily see the colored crickets. She follows these steps:
get 10 similar crickets from the pet store
tag 5 of the crickets by putting a tiny dab of bright coloring on their backs
release all 10 crickets into the terrarium with the gecko at the same time
after several hours, record the number of tagged and non-tagged crickets still alive in the terrarium
After several hours, Alice notes that only 4 non-tagged crickets were still alive in the terrarium. No tagged crickets were observed. She concludes that her gecko uses mostly its vision to capture and eat its prey.
What is another possible explanation for these results?
She relays more on her vision than her other senses so you could assume she has good eye sight or something.
A reaction done at 100°C without catalysts has the reactant concentration graph shown below. What is the most likely reactant concentration graph for a reaction done at 125°C?
Answer:A
Explanation:
The most likely reactant concentration graph for a reaction done at 125°C is "A".
What is the catalyst?A substance that enables a chemical reaction to move at a usually faster rate or under different conditions (such as at a more low temperature) than otherwise possible.
Thus, option "A" is correct.
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can someone please help me
Answer:
False, Cancer Will continue to grow unless treated
What are nucleic acids responsible for?
Answer:
The functions of nucleic acids have to do with the storage and expression of genetic information. Deoxyribonucleic acid (DNA) encodes the information the cell needs to make proteins. A related type of nucleic acid, called ribonucleic acid (RNA), comes in different molecular forms that participate in protein synthesis.
Explanation:
Nucleotides are important as they form the building blocks of nucleic acids, such as DNA and RNA. Nucleotides are made up of 3 parts. The first is a distinct nitrogenous base, which is adenine, cytosine, guanine or thymine.
Please help need this today need 10 safety’s violations
Answer:
goggles not being worn, hair not pulled back, getting off task, puddle on floor, not paying attention
Explanation:
there is five, I could not find 10, but I hope this helps.
Photosynthesis and cellular respiration both involve the use and release of gases. Which statement correctly identifies the role of gases in the two processes
Answer:
You have no options for me to choose from, but I'm going to make a wordy response anyway. The answer is stated below:
Explanation:
Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.
Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.
What is photosynthesis?Photosynthesis uses carbon dioxide and releases oxygen and cellular respiration uses oxygen and release carbon dioxide.
Photosynthesis is the process in which green plants prepare their own food in the presence of sunlight and light energy is converted into chemical energy by the process of cellular respiration.
The process of photosynthesis takes place in green plants only due to presence of chlorophyll and materials such as sunlight, water, carbon dioxide is required for the process of photosynthesis.
The equation of photosynthesis is represented below:
6CO2+ 6H2O - C6H12O6 + 6O2
The process of food manufacturing in plant is done through photosynthesis and the plants are known as autotrophs as they are the producers.
In the process of photosynthesis the reactant have 6 carbon dioxide molecules and six water molecules, and light energy converted into chemical energy due to presence of chlorophyll.
Therefore, Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.
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How is a bone cell and animal cell similar?
A bone cell and animal cell are similar in their function and presence in a body.
CellsA Cell is known for its function and structure.
A bone cell is made of tissue.
A bone cell protects the internal organs and stores minerals such as phosphorous and calcium.
An animal cell has a cell membrane and has functions that relate to producing energy and storing it.
Animal cells make proteins and transfer molecules.
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Which of the following is an example of an physiological response? PLEASE HELP
Answer:
its the second one I think
A women dissolves salt in water as she is preparing to boil noodles. The salt is:
A.) A solvent
B.) A solute
C.) A nonpolar molecule
D.) A covalently bonded molecule
Answer:
Solute is the answer maybe
Why is water specific heat important to life on earth
Water is able to absorb a high amount of heat before increasing in temperature, allowing humans to maintain body temperature.
Is Earth's surface stable and stationary now? Was it ever in the past? Do
you think it will be stable in the future? *
Answer:
Is Earth's surface stable and stationary now? ... No the Earth's surface is not stable. I know this because in the video it said that each plate moves at least a centimeter every year. In the past the plates still were moving evidence of this is the formation of the Himalayan mountains
Heredity is the passage of genetic instructions from parent to offspring. The genetic instructions are found in within the DNA, which is contained in inside the nucleus of the cells. The genetic information is passed to the next by sexual reproduction. The information controls the traits that passed down. These include characteristics like eye color and characteristics like blood type. These traits are directly passed down and are not affected by the surrounding the organism.
Answer:
What is your question
Explanation:
The passage of genetic instructions from parent to offspring, known as heredity, involves the transmission of genetic information contained within the DNA.
The DNA is primarily located within the nucleus of cells. During sexual reproduction, genetic material from both parents combines to form a unique set of instructions for the offspring.
This genetic information controls the traits that are inherited, including observable characteristics like eye color and blood type. These traits are directly inherited and are not influenced by the surrounding environment of the organism.
While genetic information provides a blueprint for traits, the expression of those traits can be influenced by environmental factors, such as nutrition, exposure to toxins, or lifestyle choices.
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what is the food that plants produce during photosynthesis?
A. chlorophyll
B. Chloroplasts
C. Glucose
D. Carbon Dioxide
(pls help its for a test and i don’t get any of it)
ONLY ONE RIGHT ANSWER
HELP PLEASE
The organelle that converts energy from sunlight in a plant cell.
nucleus,
prokaryote,
nucleic membrane,
mitochondria,
chloroplast,
vacuole,
centrioles,
lysosomes
cell,
endoplasmic reticulum,
Golgi apparatus
eukaryote,
organelle,
ribosomes
Answer:
Chloroplast I believe?
Explanation:
Answer:
Chloroplasts
Explanation:
Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells. It's almost like a solar panel that converts sunlight energy into electric energy.
9. The gap 1, gap 2, and synthesis stages of the cell cycle make up...
a. interphase
b. telophase
c. cytokinesis
d. mitosis
Answer:
a. interphase
Explanation:
The gap 1, gap 2, and synthesis stages of the cell cycle make up the interphase. Thus, the correct option is A.
What is the cell cycle?The Cell cycle may be defined as the entire sequence of events happening from the end of one nuclear division to the beginning of the next. The cell cycle can be divided into two phases. They are:
The Interphase.The M-phase (division phase).Interphase comprises the G1 phase, S-phase, and G2 phase. The G1 phase is the resting phase. DNA synthesis does not take place. It is involved in the synthesis of RNA and protein. S-phase deals with the synthesis of DNA and histone proteins.
While the G2 phase is the continuous synthesis of RNA and proteins. After this phase, a cell enters the M phase.
Therefore, the gap 1, gap 2, and synthesis stages of the cell cycle make up the interphase. Thus, the correct option is A.
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Could an animal adapted to live in an ecosystem at the bottom of the Rocky Mountains survive in an ecosystem at the top of the Rocky Mountains? Explain your answer.
Answer:
No, the environment would be completely different. At the bottom of the mountains there would be certain things that at the top you would not find and vice versa. The oxygen levels would also be different. The most important point is that an animal doesn't adapt easily. For example we humans, we live on the ground if we decided to live on Mt. Everest the lifestyle would be so hard to adapt to because we aren't used to it, like oxygen levels, food sources, temperature, etc. Same thing with this animal.
Hoped this helped :)
The moon seems to change shape form day to day in a cycle that last about a month as it goes through
A)Revolutions B)Phases C)Rotations D)Eclipses
Answer:
B. phases
Explanation:
The changing shape of the moon in the sky is called phases.
The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through Phases.
How does the Moon's shape seem to alter?
The Moon seems to change shape because we notice distinct amounts of the lit portion as the Moon orbits Earth.
When the Moon is between Earth and the Sun, the lit flank is obscured from us.
As it moves around Earth, the lit flank comes into view. Then it commences and vanishes again.
Thus, The moon seems to change shape from day to day in a cycle that lasts about a month as it goes through Phases.
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A scientist is studying a cell and can clearly see that it has ribosomes and mitochondria. Which statement best
describes how the cell could be classified
the cell is prokaryotic because it contains ribosomes
the cell is prokaryotic because it contains mitochondria
the cell is eukaryotic because it contains ribosomes
the cell is eukaryotic because is contains mitochondria
Answer:
i belive its d
Explanation:
The cell is eukaryotic because it contains mitochondria is the best line to define eukaryotic cells. Therefore, option "D" is correct.
What is eukaryotic cells?Eukaryotic cells are large, intricate organisms with a nucleus enclosed within the nuclear membrane. Eukaryotic cells can be found in animals, plants, protozoa, and fungi.
In prokaryotic cells, the cytoplasm is available, however, it is deficient in most cell organelles. It comprises both organelles and cytoplasm in eukaryotic cells, and both are present. There are mitochondria, which are the cells' powerhouse. There are two kinds of organelles present which is membrane-bound and non-membrane-bound.
Therefore, eukaryotic cells are also referred to as true cells having membraned nuclei.
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Compare and contrast the two types of tsunami
Explain how seeds travel. Be sure to give examles to support your explantion psb quic
Answer:
Wind, Water, Animals, and Fire.
Explanation:
Wind moves seeds from one place to another. When the seed gets into the air, it gets pushed by wind to another place. Water moves seeds when seeds fall into water and the water moves the seed downstream, or the water evaporates. Seeds get moved by Animals when, for example, a bird eats seeds then flies to another location, and poops out the seeds. Seeds also get moved by Fire when a forest fire erupts and the seeds fall to the ground after the fire dissipates.
Hope this helps!
-Cryptic
We are pretending that I am testing to see if Vitamin C cures ashy skin. You must write out EVERY step of the study that I must do, especially the actual experiment part. You must also list the "controlled variables", the "independent variable", and the "dependent variable
Answer: Independent variable is the Vitamin C and the ashy skin is the dependent variable.
Explanation:
We can change or manipulate the independent variable of the reaction and such change can be observed on the dependent variable. The dependent variable yields the results of the experiment and changes in the dependent variable must be observed attentively to frame the results.
Here, vitamin C is the independent variable whose affect has to be observed on the ashy skin which is the dependent variable of the experiment. Steps of the experiment:
1. We can apply Vitamin C in a form of solution on the ashy skin.
2. Observe the changes on the skin directly and apply for 2-3 times in a day.
3. Observe the changes on the skin after a week.
Question 8
5 pts
Calls release energy from chemical bands of food molecules and provide that energy for the essential processes of life. This is performed in the cells of plants and animals. What is
this referred to as?
Answer:
Metabolism
Explanation:
Cell metabolism describes all the biochemical reactions that occur in the cell. This includes the generation of chemical energy from the substances in food.
This is what is used to provide energy for all the cell's processes. It is a requirement for all living things. Cellular metabolism is complex and is powered by enzymes.
He summoned to his presence a thousand hale and light-hearted friends from among the knights and dames of his court. –"The Masque of the Red Death," Edgar Allan Poe Using context clues, how would you determine the meaning of the word "dames"?
1 ) Look at the surrounding words.
4) Find the word in the dictionary.
3) Ask a friend what the word means.
4) Skip the word entirely.
Answer:
A
Explanation:
bc i got it right
The term "dames" means to look at the words around it, hence option 1 is correct.
What are context clues?Contextual hints are used by proficient readers to decipher the meaning of unfamiliar or challenging words. Students are frequently instructed to determine a word's meaning based on its parts of speech and the surrounding contextual signals, but this can be challenging if they are unsure of what those cues signify.
Information cues known as context clues assist you in deciphering the meaning of new words. Contextual clues are words or phrases that clarify a word's meaning by being used in its surroundings.
understanding contextual signals and successfully utilizing them are crucial for academic achievement.
Therefore, the meaning of the word "dames" is to look at the surrounding words.
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Please Help!!
1) Name two things found in a plant cell that are not found in an animal cell.
2) How does the shape of a plant cell differ from that of an animal cell?
3) What is the function of the chloroplasts?
4) What is the function of the vacuole?
Answer:
1. cell wall, chloroplasts
2. A plant cell is rectangular, while an animal cell is circular. This is because of the cell wall.
3. The function of the chloroplasts is to make sugars and pigments for photosynthesis.
4. The vacuole acts as a storage structure and can hold food for the organism.
Explanation:
1. A plant and animal cells have these following features in common
CytoplasmCell membraneMitochondriaNucleusRibosomesChromosomes.However, the two features in a plant cell not found in the animal cell are:
Plant cells have a cell wallPlant cell have a chloroplastsLearn more about this here:
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2. The shape of plant cell and animal cell are different in structure because:
The plant cell is rectangular in shape and this is because its has a wallThe animal cell is circular in shapeLearn more about this in the picture below
3. The function of the chloroplast in plant cell are:
Its provides metabolic activities for the cellsIts helps to convert light energy from the sun into a stable chemical energy through the process called photosyntheticLearn more about this here:
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4. The function of the vacuole are:
Its store various substances required to support the structureIts stores food required by the cell to survive.Its store waste products as wellIts prevent contamination because its stores waste productLearn more about this here:
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