Biology College

What did the solar system form from?
O comets
O clouds of dust and gas
O preexisting planets
O black hole

Answers

Answer 1

Answer:

Clouds of dust and gas

Explanation:

Answer 2

Answer:

its b i just took the test

Explanation:

What Did The Solar System Form From?O CometsO Clouds Of Dust And GasO Preexisting PlanetsO Black Hole

Related Questions

Define los 5 sentidos humanos

Answers

Taste, Touch, sight, smell, sound

I need help with 4,5 and 6

I need help with 4,5 and 6

Answers

Answer: 4- genotype- 50% hybrid & 50% possesive

phenotype- 50% red & 50% white

5- genotype- 100% possesive

phenotype- 100% white

6-genotype- 100% dominant

100% black

Explanation: picture attatched for more info!!

I need help with 4,5 and 6

2 A student investigated the diffusion of substances through Visking tubing, an artificial membrane which has some of the properties of cell membranes. The student made a bag of Visking tubing as shown in Fig. 4.1. top of syringe. elastic band Visking bag. knot bag filled with starch solution (a) (1) Explain these results. and placed into a test-tube of water Fig. 4.1 test-tube starch solution water The student added some iodine solution to the water in the test-tube. After 30 minutes at room temperature, the contents of the Visking bag were stained blue-black, but the water outside remained a yellow colour.?​

Answers

Answer:

Visking tubing is a selectively permeable membrane, this means it has pores in it which allow small molecules through but not larger molecules

Explanation:

I hope this helps


what is biographies ​

Answers

Biography is the study of life and living organisms.

What is Biography?The biographies are organized chronologically, are not centered around an evolutionary approach, and can be read in any order.The grouping starts with Carl Linnaeus (1707–78), who presented a still-valid terminology for classifying organisms. As well to massive productivity, Linnaeus maintained ingenious inventions. As a physician, he told that infectious diseases such as smallpox, measles, dysentery, syphilis, and plague might be caused by very small organisms. This was long before microscopes allowed us to see these pathogens. The idea must have said quite bold to his contemporaries, who used scents as protection against disease.

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Provide a scientific term for ‘breaking down’ of nutrients.

Answers

Answer: DIGESTION

Explanation:the breaking down of nutrients is know as digestion.DIGESTION is the process of mechanically breaking down food into substances for absorption into the bloodstream. Hope this helps!

Stanley wants to do a research project on the impact of using paper bags versus plastic bags. Which question could he use as a research question to guide his search for information?(1 point

A Do more people use paper or plastic bags when shopping?
B Are plastic bags more popular than paper bags?
C Are paper bags less expensive than plastic bags?
D Do paper bags cause less pollution than plastic bags?

Answers

The most appropriate research question that Stanley could use to guide his search for information on the impact of using paper bags versus plastic bags is: Do paper bags cause less pollution than plastic bags? Therefore the correct option is option D.

This question directly addresses the environmental effect of paper and plastic bags, which is a major point of contention in the argument over which type of bag to use.

It is also a focused and specific research question that can help Stanley direct his research and draw clear conclusions based on the evidence he discovers. Therefore the correct option is option D.

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How could the models be used to support the idea that the amio acid molecule contains carbon atoms from sugar molecules made by photosynthesis?

Answers

Models can be used to support the idea that the amino acid molecule contains carbon atoms from sugar molecules made by photosynthesis by illustrating the chemical structure and bonds present in the amino acid and sugar molecules. Here's how it can be explained:

1. Amino Acid Structure: Models can visually represent the structure of an amino acid, highlighting the central carbon atom (also known as the alpha carbon) that is bonded to four different groups: an amino group (-NH2), a carboxyl group (-COOH), a hydrogen atom (-H), and a side chain or R-group. The R-group varies among different amino acids and gives them their unique properties.

2. Carbon Atom Origins: By focusing on the central carbon atom in the amino acid structure, models can demonstrate that the carbon atom itself does not change during the biosynthesis of amino acids. Instead, it serves as a backbone that forms the structural foundation for the amino acid.

3. Sugar Molecules and Photosynthesis: Models can depict the process of photosynthesis, showcasing how plants convert carbon dioxide (CO2) from the atmosphere into glucose molecules (a type of sugar) using energy from sunlight. The glucose molecules are then further processed by the plant to produce various other sugars.

4. Incorporation of Carbon Atoms: Models can demonstrate how the carbon atoms from the sugar molecules are incorporated into the amino acid structure during protein synthesis in living organisms. The carbon atoms derived from sugars become part of the carboxyl group and the R-group of the amino acid, contributing to its overall composition.

By using these models, it becomes visually apparent that the carbon atoms in the amino acid molecule come from the sugar molecules produced through photosynthesis. This supports the understanding that carbon, which is a vital component of organic compounds, is sourced from atmospheric carbon dioxide via plants and is subsequently incorporated into the biochemical molecules of living organisms.

a If oxygen concentration is higher in the interstitial fluid than in the cytosol, which direction will oxygen move via simple diffusion? ​

Answers

\(O_2\) molecules cross the membrane to the cytosol of the membrane in response to an increase in \(O_2\) concentration.

What is an Equilibrium?

Equilibrium means 'balance' which indicates that a chemical reaction represents a balance between the reactants and the products participating in the reaction which is also observed in some physical processes such as the melting point of ice at 0℃, ice and water, both exist in equilibrium.

It is well known that at equilibrium, the rates of forward and backward reactions are equal resulting in equal concentrations of reactants and products at equilibrium. As a result, we can draw the conclusion that it is untrue that when the photosynthetic reaction reaches equilibrium, the concentration of will start to decrease.

Thus, \(O_2\) molecules cross the membrane to the cytosol of the membrane in response to an increase in \(O_2\) concentration.

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what organelle is similar to the muscular system

Answers

The answer to this would be mitochondria

Breathing is important to humans in order to​

Answers

Answer:

Survive

Explanation:

"Everyday functions of the body like digesting your food, moving your muscles or even just thinking, need oxygen. When these processes happen, a gas called carbon dioxide is produced as a waste product. The job of your lungs is to provide your body with oxygen and to get rid of the waste gas, carbon dioxide."

Although energy travels through waves, __________________ does not.

Answers

Answer:

Mechanical waves!

Explanation:


Answer - matter
Although energy travels through waves, {matter} does not.

explain how structure of cell wall in xylem tissue enables it to be strong and flexible?
2 mark question

Answers

The walls of xylem cells are lignified (strengthened with a substance called lignin ). This allows the xylem to withstand pressure changes as water moves through the plant.

The cell membrane is flexible because of the presence of oil like substances called phospholipids, which gives it a fluid nature. While as the cell walls are rigid because of the presence of the thick layers of the substances like cellulose in plants, chitin in fungi and peptidoglycon in bacteria.

1. A severe weather watch means which of the following?* (
(1 Point)
The conditions are right for severe weather, but it is not occurring yet.
Severe weather is occurring
Severe weather has passed through and it is now safe to go outside
It is the season during which type of severe weather concerned occurs.

1. A severe weather watch means which of the following?* ((1 Point)The conditions are right for severe

Answers

the answer is “the conditions are right for severe weather but it is not occurring yet”

Answer:

Its the first one because a watch means it could happen (this one is random) but if its a warning that means EVACUATE AHHHHHHHHHH.

Explanation:

Your welcome :3

1. What effect does the music have on the murals as Sierra and Robbie danced?

Answers

Answer:

The impact of murals: the process and the paintings.

help me for bio please

help me for bio please

Answers

Answer:

d number dicot

Explanation:

because it has many seeds

Describe the function of each organelle.
Ribosome

Answers

Ribosome - responsible for protein synthesis.

What is the role of ribosomes in protein synthesis?

Ribosomes bind to and move along the mRNA, reading the information contained in the nucleotide sequence. Using this information, ribosomes select the appropriate transfer RNA (tRNA) molecules that carry the correct amino acids and combine them in a specific order to form protein chains.

This process takes place in her two phases:

First, the ribosome reads the mRNA in a process called translation, and second, the ribosome joins amino acids together in a process called elongation.When the protein chain is completed, it is released from the ribosome into its final three-dimensional structure. folded.

Ribosomes are essential to all living cells because proteins are building blocks of many cellular structures and play important roles in cell metabolism, growth, and function. 

Where are ribosomes found in the cell?

Ribosomes can be found in the cytoplasm of prokaryotic and eukaryotic cells, as well as attached to the endoplasmic reticulum in eukaryotic cells.

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is a major part of bones and muscles and an important component in blood, body cells, enzymes, and immune factors.

Answers

Protein is a major part of bones and muscles and an important component in blood, body cells, enzymes, and immune factors.

Proteins аre mаcromolecules composed of chаins of subunits cаlled аmino аcids. Аmino аcids аre simple subunits composed of cаrbon, oxygen, hydrogen, аnd nitrogen. Food sources of proteins include meаts, dаiry products, seаfood, аnd vаrious plаnt-bаsed foods, most notаbly soy.

Proteins provide four kilocаlories of energy per grаm; however, providing energy is not protein’s most importаnt function. Proteins provide structure to bones, muscles, аnd skin аnd plаy а role in conducting most of the chemicаl reаctions thаt tаke plаce in the body. Scientists estimаte thаt greаter thаn one-hundred thousаnd different proteins exist within the humаn body. The genetic codes in DNА аre bаsicаlly protein recipes thаt determine the order in which 20 different аmino аcids аre bound together to mаke thousаnds of specific proteins.

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2 Itching and other skin problems are signs that a cat or dog may have fl eas. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, fl ea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail

Answers

Itching and other skin problems are signs that a cat or dog may have flea. Fleas are parasites known for their biting and blood-sucking abilities. When they bite, flea saliva enters the pet’s circulatory system, sometimes causing an allergic response commonly seen as a “hot spot” on the pet’s neck or the base of its tail.

Fleas are tiny parasitic insects that infest the fur of dogs and cats. They feed on blood and cause skin irritation that results in itching. If the problem is severe, it can lead to more significant health issues. Pet owners should watch for signs of fleas and treat their pets promptly to avoid complications. Fleas lay eggs on the skin of dogs and cats, which hatch and develop into larvae.

The larvae feed on the skin, shedding as they mature. Adult fleas emerge from the larvae, biting the host to feed on blood. The process repeats itself, with adult fleas continuing to lay eggs on the skin of the pet.The most common sign of fleas in dogs and cats is itching. Pets will often scratch themselves, bite their skin, or lick excessively to relieve the irritation.

Other signs of fleas include red or inflamed skin, hair loss, and the appearance of small, raised bumps on the skin. These bumps are often referred to as "flea dirt" and are the waste products of the fleas. In severe cases, anemia, an allergic reaction, or the transmission of other parasites or diseases can occur.

Flea infestations can be treated with a variety of products, including topical treatments, shampoos, and collars. It is essential to follow the instructions on the product label and treat the pet and the surrounding environment to eliminate the fleas. Prevention is key to avoiding flea infestations, so pet owners should maintain a regular grooming and flea prevention schedule.

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If you reduced three sponge species down to individual cells using a very fine cloth and mixed them together, what would you predict would be the outcome after a period of time? Make sure to identify why, and what proteins are likely responsible.

Answers

After a few hours, the cells of each sponge would re-aggregate and form three new sponges.

We can reach this answer because:

The sponge is a multicellular organism with little cell differentiation.The surface of sponge cells has a group of glycoproteins, which allow communication between all the cells in a sponge.These proteins are transmembrane receptors, which emit signals responsible for the cell adhesion process.The cell adhesion process allows the cells in a sponge to regroup if they are separated.

In this case, if three sponges had their composition sieved and mixed, the glycoproteins of their cells would allow each sponge to be remade, as there would be communication and a regrouping of the cells of each sponge.

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Organic compounds are all at least partially composed of the element ________________.


Organic compounds are all at least partially composed of the element ________________.


carbon


sodium


hydrogen


nitrogen


magnesium

Answers

Answer:

Carbon

Explanation:

Carbon is considered as the key element in organic compounds.

This image shows a freshwater stream flowing into an ocean. How does the addition of fresh water affect the salinity of the ocean water?

Answers

The addition of fresh water from a stream reduces the salinity of the ocean water at the point of discharge.

When a freshwater stream flows into the ocean, it brings a lower concentration of salt compared to the seawater. This dilutes the ocean water, reducing its salinity at the point where the freshwater is discharged.

However, the effect on the ocean's overall salinity is usually insignificant as the ocean is a vast body of water with a huge volume and the addition of freshwater is relatively small.

Additionally, the movement of ocean currents disperses the freshwater, reducing the localized effect even further. Nevertheless, significant inputs of freshwater from melting glaciers or heavy rainfall can have a larger impact on the ocean's salinity in the affected regions.

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Heliotropism is a type of phototropism. Why do the leaves in sunflowers, daisies, and buttercups move with the sun?​

Answers

Phototropisms allow plants to maximize sunlight exposure on their leaves by orienting them towards the sun. Hope this helps (:

explain the significance of pumping CO2 gas into a greenhouse system​

Answers

Pumping CO2 gas into a greenhouse system is significant for several reasons. Greenhouse gases like CO2 are essential for plants to carry out photosynthesis, which is the process by which they convert sunlight into food. By adding CO2 to a greenhouse, it can help to increase plant growth and yield.

Here are some reasons why pumping CO2 into a greenhouse system is important:

Increased photosynthesis: Photosynthesis is a chemical process in which plants use sunlight to convert carbon dioxide and water into glucose, a form of sugar that is used as food. The addition of CO2 to the greenhouse system can help to increase photosynthesis, which means that plants will produce more food. This can result in faster growth, bigger plants, and higher yields.

Improved plant health: CO2 is essential for plant growth and can help to improve the overall health of the plants. By adding CO2 to the greenhouse system, it can help to create an environment that is more conducive to plant growth. This can lead to healthier plants that are less susceptible to disease and pests.

Improved crop yields: One of the most significant benefits of pumping CO2 into a greenhouse system is that it can increase crop yields. By increasing the amount of CO2 in the air, plants are able to produce more food, which can result in bigger, healthier plants with larger yields. This can be particularly beneficial for commercial growers who rely on high yields to generate income.

In summary, pumping CO2 gas into a greenhouse system is an effective way to improve plant growth and yield. By increasing the amount of CO2 in the air, plants are able to carry out photosynthesis more efficiently, which can lead to healthier plants and higher crop yields.

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Glycolysis is a part of cellular respiration that takes place in the absence of oxygen.
What type of process would this be referred to as? What would be a process that
takes place in the presence of oxygen?

Answers

Answer:

Explanation:

Glycolysis is an anaerobic process - it does not need oxygen to proceed. ... They follow glycolysis with the Krebs cycle and electron transport to make more ATP than by glycolysis alone. Cellular respiration that proceeds in the presence of oxygen is called aerobic respiration.

What is Nuclear envelope function or characteristic

Answers

Answer:

Envoiyer du nucleaire

Explanation:

logique

What is an air mass? What are the five types of
air masses? |

Answers

an air mass is a body of air with humidity and pressure.
the five types of air masses are ....continental polar, continental arctic, continental tropical, maritime polar, and maritime tropical

Describe the development of the zygote until implantation occurs.​

Answers

The zygote undergoes a series of cell divisions called cleavage, which results in the formation of a ball of cells called a blastocyst. The blastocyst consists of an inner cell mass that will develop into the embryo, and an outer layer of cells that will form the placenta. The blastocyst travels down the fallopian tube and enters the uterus, where it will eventually implant into the uterine wall. Implantation occurs when the blastocyst attaches to the endometrium, a process that is facilitated by specialized cells in the blastocyst called trophoblasts. Once implanted, the trophoblasts begin to invade the endometrium and form the placenta.

Indicate the type of testing each sentence describes. 1. Chromosomes from a sample of cells are stained and analyzed microscopically. Karyotyping 2. A DNA probe that hybridizes to a particular gene can be used to determine if a gene is present, absent or altered. (Click to select) 3. Antibodies are used to detect the presence or absence of a protein. (Click to select) 4. The enzymatic activity of a protein can be assayed in vitro. (Click to select)

Answers

Answer:

1. Karyotyping  

2. In situ hybridization

3. Immunological (immunoblotting)

4. Biochemical (enzyme assay)

Explanation:

Karyotyping is the procedure in which pictures of the chromosomes are taken in order to identify and classify them according to their sizes, lengths, centromere positions, banding patterns, etc. In karyotiping, the chromosomes are stained to be clearly seen under a light microscope. In situ hybridization is a technique where complementary DNA oligonucleotides (either DNA or RNA) are used as probes to localize a specific segment of nucleic acid in a histologic section. Immunoblotting (western blotting) is a sensitive assay where antibodies are used to mark a protein, thereby enabling the identification of target proteins by exploiting the recognition specificity mechanism between antigens and antibodies. An enzyme assay is a technique used to measure the consumption rate of a given substrate or its production rate over time. Enzyme assays can be classified into four types: initial rate, transient kinetics, relaxation and progress curve assays.

What is the total of Molecules and what is the element of 3Na2SO4

Answers

Answer:

3Na2SO4

Explanation:

can you please mark my answer brainliest

What is the total of Molecules and what is the element of 3Na2SO4

Which is the biggest disadvantage of using unipotent cells for medical
treatments?

Answers

They can only be used to create specific types of cells.
It can only be used to create a different types of cells (google/answers.com)
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