Answer:
about 5 billion years ago
Explanation:
Our solar system formed about 5 billion years a go from a dense cloud of interstellar gas and dust.
Our solar system started to form approximately 5 billion years ago. Option 3 is correct.
This estimation is based on scientific evidence and observations of the formation and age of celestial bodies in the universe. The formation of our solar system is believed to have been initiated by the gravitational collapse of a giant molecular cloud composed of gas and dust. As the cloud collapsed under its own gravity, it began to spin and flatten into a rotating disk-shaped structure known as the protoplanetary disk. The central region of this disk eventually formed the Sun, while the surrounding material coalesced to form planets, moons, asteroids, and comets.
The age of our solar system is determined through radiometric dating techniques, which involve measuring the ratios of radioactive isotopes in rocks and meteorites. These measurements, combined with other astronomical observations and models, provide a reliable estimate of the age of the solar system. The current scientific consensus is that the solar system formed approximately 4.6 billion years ago, placing its origin in the early stages of the universe's development. This understanding of the solar system's age is crucial for studying its evolution, understanding the formation of planets, and exploring the conditions necessary for the existence of life.
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What structure is used to transport organic molecules from the leaves to the other parts of the plant
Answer:
Phloem
Explanation: Phloem is the vascular tissue responsible for transporting organic nutrients around the plant body, carries dissolved sugars from the leaves (their site of production) or storage sites to other parts of the plant that require nutrients.
Which statement describes how matter is cycled between plants and animals?
A. Sugar from animals is used by plants for energy
B. Plants and animals produce oxygen for animals to breathe.
C. Carbon dioxide from animals is used by plants to form sugar.
D. Oxygen from animals is used by plants to get energy from sugar.
Answer:
C
Explanation:
The animals releases carbon dioxide and the plant uses the carbon dioxide to make sugar
Answer:
✔ ∅ C. Carbon dioxide from animals is used by plants to form sugar.Explanation:
Which statement describes how matter is cycled between plants and animals?
✘ O A. Sugar from animals is used by plants for energy.
✘ O B. Plants and animals produce oxygen for animals to breathe.
✔ ∅ C. Carbon dioxide from animals is used by plants to form sugar.
✘ O D. Oxygen from animals is used by plants to get energy from sugar.
How do fats and phospholipids differ?
Fats composed parts of cell membranes and phospholipids do not.
Phospholipids store more energy than fats.
Fats and phospholipids have different numbers of fatty acid tails.
Fats are hydrophilic and phospholipids are hydrophobic.
Answer:
C - Fats and Phospholipids have different numbers of fatty acid tails.
Explanation:
Hope it Helps!!
:D
make a claim about whether air is matter
Answer:
Air is matter because it's make up of a mix of different gases. These are made up of elements such as hydrogen, oxygen, and nitrogen, which are made of matter.
Explanation:
is there a word count requirement?
Answer:
Air is matter because it takes up space and has mass.
A way to prove this is by inflating a balloon. Before inflating, the balloon was empty and shapeless. When the balloon was filled with air you know it filled with something. That would be matter.
Explain the law's of segregation and independent assortment.
I hope this helps.
Explanation: The law of segregation states that the two alleles of a single trait will separate randomly, meaning that there is a 50% either allele will end up in either gamete. This has to do with 1 gene. The law of independent assortment states that the allele of one gene separates independently of an allele of another gene.
Answer:
The law of segregation states that the two alleles of a single trait will separate randomly, meaning that there is a 50% either allele will end up in either gamete. ... The law of independent assortment states that the allele of one gene separates independently of an allele of another gene. This has has to do with 2 genes.
Explanation:
Which phrase best defines a prototype?
the final product, which has undergone extensive testing and redesign
a model that has been redesigned and retested several times
the criteria established to help solve a problem
O a model from which later versions are developed
Answer:
A model from which later versions are developed.
Explanation:
A prototype is the rough draft of something in a sense, it is not yet complete and is often only the most basic idea to be expanded on in later versions.
The best definition for a prototype is a model from which later versions are developed. Therefore option D is correct.
A prototype is an early or preliminary version of a product, system, or design that is created to test and evaluate its functionality, features, and feasibility. It serves as a proof of concept and helps in identifying any flaws or areas that require improvement before the final product is developed.
The final product, which has undergone extensive testing and redesign, does not accurately define a prototype because a prototype is not the final product but rather an initial version created for testing and refinement.
Therefore, the most accurate definition, emphasizes that a prototype is a model or early version of a product or system that serves as a foundation for the development of subsequent versions based on testing and feedback.
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What type of cross did Mendel use to determine the probability of offspring when investigating two characteristics at a time
Answer:
When the offspring in Mendel's experiment were self-crossed, the F2 offspring exhibited the dominant trait or the recessive trait in a 3:1 ratio, confirming that the recessive trait had been transmitted faithfully from the original P0 parent. Reciprocal crosses generated identical F1 and F2 offspring ratios.
Answer:
on ck12 - Dihybrid cross
Explanation:
i got it right
Write a paragraph, using at least 4-6 sentences, that explains how and why the classification system has changed over time.
Answer:
they change over time based on newly gathered information, such as molecular information about a species. Organisms are now classified in a more specific manner which has ended up introducing so many new species of organisms.
Explanation:
Based on the information provided, in which domain would the organism be classified?
O Protista
0 Eukarya
Bacteria
Archaea
Previous
Answer:
This question is incomplete as it does not contain any provided information. The information is as follows:
Number of cells: Unicellular
Cell type: Prokaryotic
Location found: Underwater volcano
The answer is Archaea
Explanation:
Living organisms has been classified into a large group of three called DOMAIN consisting of Bacteria, Eukarya and Archaea. The major basis of this classification is the possession or not of a membrane-bound nucleus.
Domains Bacteria and Archaea do not possess a membrane-bound nucleus and hence, are PROKARYOTIC. However, in addition to being prokaryotic, Domain Archaea members are unicellular (single-celled) and are found in locations with harsh environmental conditions e.g volcano.
Therefore, an organism with a PROKARYOTIC cell type, UNICELLULAR number of cells and found in an UNDERWATER VOLCANO will belong to the domain ARCHAEA.
To compare how different types of soil absorbed water, Christian set up an
experiment. He poked equal numbers and sizes of holes into the bottoms of three
plastic cups. He filled one cup with sand, one with potting soil, and left one empty. He
placed each cup in a stand over a beaker. Christian poured 400 mL (milliliters) of water
into each of the cups. He then measured the amount of water collected in the beakers
beneath each cup at 1 minute intervals for 3 minutes.
What is the control in this experiment?
the amount of water collagted in the boaker
collastad
the cup with the sand
the empty cup
Rt the cup with the soil
Answer:
the empty cup
Explanation:
because just trust me
X 12. Which one is not the scope of
biology?
one can study mechanical
engineering
o one can select paramedical field
o one can go to agriculture sector
o
one can involve in biotechnology
Answer:
one can study mechanical engineering..is your answer
Explanation:
Hope this helps you
Crown me as brainliest
What elevated,flat-topped landforms are shown in the above picture
Answer:
there's not a picture I cant see it
Answer:
the answer is plateaus.
Which element is able to combine in many ways with different elements and is therefore considered the basis of life?
Answer:
Carbon
Explanation:
Which of the following statements is true
about exocytosis?
a. Help intake large material into the cell
b. Form of active transport
C. Occurs without help of cell organelle
d. It does not require energy
Answer:
B. Form of active transport
The statement that is true about exocytosis is that it is a form of active transport. That is option B.
Exocytosis is a cellular process where by materials especially waste products of metabolism or ions are moved from inside the cell to the outside of it.
An active transport is a process where by cells use energy to transport molecules across the cellular membrane.
There are different forms of active transport include:
EndocytosisexocytosisSodium Potassium Pump.Phagocytosis is the process by which cells transport large material into the, therefore Option A is False.
Golgi apparatus helps in exocytosis therefore option C is false.
Exocytosis requires energy, there option D is false
From the different forms of exocytosis listed above, exocytosis is a form of active transport because it makes use of energy.
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What is the role of the golgi body in the transporing of proteins out of the cell.
A. It is where proteins are synthesized.
B. It combines proteins with DNA to send out of the cell.
C. It will fold the proteins for transport.
D. It will package and tag the proteins for transport.
Answer:
Hello!!! Princess Sakura here ^^
Explanation:
The answer is choice D.
REPLICATE the following strand of DNA: TCGCAAGTCATATC
Answer:
Replicate DNA: TCGCAAGTCATATC
This is a replicate strand of DNA for what you put down.
all living things have this molecule, it has all the information a cell needs
Answer:
gene.Genes are made up of DNA.
Explanation:
i have to fill in the numbers for the water cycle very confused
true or false: if molecules move from where there is less to where there is more , they move down the concentration gradient
HELP!!
What is the correct answer?
Answer:
the pink one
Explanation:
just had this question
Please help
Explain how the binomial numendature works ?
And please put an answer that makes sense
Thank you
Btw it’s science
Answer:
Binomial nomenclature is basically the scientific classification of organisms, or taxonomy, using a latin name. It uses the genus and the species. For instance, the bacteria Staphylococcus aureus uses binomial nomenclature because Staphylococcus is the genus, while aureus is the species.
Biology Dictionary states, "The genus name is also called the generic name and always begins with a capital letter. For example, binomial name for cats is Felis catus. The genus name must be unique within each kingdom (see image below) but the same genus can be used in more than one kingdom. [. . .] The species within the genus is known by other names depending on the discipline. For general usage, the species is also called the specific descriptor. In botany, it is called the specific epithet and specific name in used in zoology. A species name can be used more than once within a kingdom.The species name always begins with a lower case letter. It can be a noun or an adjective and it must agree with the Latin gender of the genus name; masculine, feminine or neuter. For example, if the gender of the genus is masculine, the species name should end in -us, -a or -um. An example of this is Passer domesticus, the house sparrow, in which Passer has a masculine gender. Endings for feminine species names include -is and -e and -or is used for neuter genders."
Please mark as brainliest! =DPLEASE HELP!!
Why is it important to revise models?
What would happen if models were NEVER revised?
Answer:
It's an important part of the writing process. Revising gives students an opportunity to reflect on what they've written. Revision is closely tied to critical reading; in order to revise a piece conceptually, students must be able to reflect on whether their message matches their writing goal.
Explanation: :)
Which of the following best identifies a key component of the hydrologic cycle that powers the movement of water and is missing from the diagram?
A
Terrestrial animals
B
The Sun
С
Bacteria
D
Volcanoes
Answer: the sun
Explanation:
I need help with these two questions
Why do you think the size of a white dwarft affects its visual luminosity?
Answer:
White Dwarfs are extremely difficult to detect as they are quite small compared to a Star. If the area is small the Luminosity is low, which would make it harder to see the white dwarfs due to the low amount of its luminosity.
Explanation:
Define the process of the above diagram
i need help asap please
15 points
Answer:yes that is right you got it
Explanation:
Answer:
its D
Explanation:
photosynthesis happens with thy sun
how does carbon from the carbon cycle leave the ecosystem?
Depending on the organism, the optimal pH for enolase to catalyze its reaction is between 6.5 and 8.0 . Describe how a pH below or above this range is likely to affect enolase and its catalytic ability.
Answer:
Enolase are enzymes, when a enzyme goes into a different ph level that is not used to, it will be denatures and will lose its catalytic ability.
Enolase are enzymes, when a enzyme goes into a different ph level that is not used to, it will be denatures and will lose its catalytic ability.
What are enzymes?Proteins called enzymes aid in accelerating our bodies' chemical reactions, or metabolism. Some compounds are created, while others are broken down. Enzymes are a part of all living things.
Enzymes are created by our bodies spontaneously. However, food and manufactured goods both contain enzymes.
The body contains tens of thousands of different enzymes. Every type of enzyme has a single function. For instance, the enzyme sucrase degrades the sugar sucrose. Lactose, a type of sugar included in milk products, is broken down by lactase.
Therefore, Enolase are enzymes, when a enzyme goes into a different ph level that is not used to, it will be denatures and will lose its catalytic ability.
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18. The structural diagram demonstrates two joined amino acids.
Which arrow points to the peptide bond?
A.3
B.1
C.4
D.2
Answer:D
Explanation:
The structural diagram demonstrates two joined amino acids, and the arrow points 2 to the peptide bond, which is in option D, as a peptide bond is a type of covalent chemical bond that is formed between two amino acids when the carboxyl group of one amino acid reacts with the amino group of the other amino acid.
What is a peptide bond?The resulting bond that is formed between the two amino acids is called a peptide bond, and the resulting molecule is called a dipeptide. As more amino acids are added to the chain, a polypeptide is formed. The peptide bond is a strong covalent bond that holds the amino acids together in the polypeptide chain. It is important for determining the structure and function of proteins.
Hence, the structural diagram demonstrates two joined amino acids, and the arrow points 2 to the peptide bond, which is in option D, as a peptide bond is a type of covalent chemical bond that is formed between two amino acids when the carboxyl group of one amino acid reacts with the amino group of the other amino acid.
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