Which of the following best describes an atom?
Protons, neutrons, and electrons all grouped together in the center.
A core of negatively and positively charged particles surrounded by neutral particles
A core of positive and neutral particles surrounded by negative particles.
A core of electrons and neutrons surrounded by protons

Answers

Answer 1

Answer:

An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. Each electron is negatively charged. The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.

Explanation:

hope this helps


Related Questions

Cell theory teaches us that cells are the ?

Answers

Answer:

in biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells. Cells are the basic unit of structure in all organisms and also the basic unit of reproduction.

The three tenets to the cell theory are as described below:

All living organisms are composed of one or more cells.

The cell is the basic unit of structure and organization in organisms.

Cells arise from pre-existing cells.

There is no universally accepted definition of life. Some biologists consider non-cellular entities such as viruses living organisms,[1] and thus reasonably disagree with the first tenet

Explanation:

Answer:

In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells.

Explanation:

Can someone answer these ?

Answers

1.

Cytosol

2.

Metabolism

3.

Golgi Apparatus

PLEASE HELP
The definition of a mutation is… (1pt)
a. Any change in an organism.
b. Something extra on an organism’s body.
c. Any change in the genetic makeup of an organism.
d. A genetic change that hurts an organism’s ability to survive.

Answers

Answer:

The answer is C

Explanation:

Just tell me if I am right or wrong, I also have no explanation, my cousin told me. Aha.

What would happen if a small butterfly became extinct?

Answers

Answer:

it would become extinct and everyone would be very sad

Explanation:

Answer:

hmm.......Without them, people will not enjoy chocolates, apples, coffee and other foods that have become vital in our daily existence. Nearly 75 percent of the food crops worldwide depend on these pollinators, therefore, their existence and health affect the food production.

Explanation:

A student is writing a report on wave interactions, and it includes the following statements. Which statement needs to be revised to make it correct?
Group of answer choices

a. When light reflects, it bounces off a surface.

b. When light refracts, it changes speed and bends.

c. When light diffracts, it bends as it moves from one medium to another.

d. When light is absorbed, its energy is transferred to the material it hits.

Answers

Answer:

The answer would be C  

Explanation:

Diffracts is the incorrect term to use.

I hope I understood your question sorry if it's wrong.      

Someone please help! Due in 10 minutes!

Answers

Answer:

the crust, the mantle and the core.

Explanation:

pls make me brainliest

Answer:

D. inner core C. outer core B. mantle A. crust

Explanation:

Which would most likely be found as a petrified fossil form?
a. dinosaur skeleton
b. fish skeleton on the shore
c. insects in amber
d. frozen mammoth

Answers

Answer:

a. Dinosaur skeleton

Explanation:

Hope this helps u

Crown me as brainliest:)

it would be a dinosaur skeleton
bcs after an organism is buried, minerals carried by water such as silica, calcite or pyrite replace the organic material in the fossil. Some common examples are most dinosaur bones, petrified wood, and many trilobite fossils.

Explain the relationship between DNA, genes and proteins and mutations.

Answers

Answer:

Most genes contain the information needed to make functional molecules called proteins. (A few genes produce other molecules that help the cell assemble proteins.) The journey from gene to protein is complex and tightly controlled within each cell. It consists of two major steps: transcription and translation

Explanation:

What would happen if a temperature change caused a change in the shape of the active site?

Answers

Answer:

yes please let us by tomorrow as I will not have access until tomorrow evening and the other one I am going through it and will send the email from its official address and send

what is a good title for science theory vs law? (for a one pager)
[ls help if i like ur answer i give brainiest

Answers

Answer:

It depends on what it is about, tell me in the comments and ill try to help

╰(*°▽°*)╯

“Scientific theories and Law” “Theories vs. Law”

Where are hills not made from volcanoes?

Answers

Answer:

for condisation

Explanation:

They are not made in the Continent

what is the variable that may change as a result of a change in the variable the experimenter changes

Answers

The variable that may change is the independent variable

Which are necessary to provide the energy needed for a plant to grow and develop?

Answers

Answer: Sunlight , nutrients in the soil, and water.

Explanation: Hope this helps : )

At which kind of boundary does a deep ocean trench form?

a. divergent
b. transform
c. convergent with no subduction
d. convergent with subduction

Answers

Answer:

in my opinion I would definitely say number

Explanation:

c

I think it's B

Which structure can be found in both
eukaryotic and prokaryotic cells?
O chloroplast
O nucleic acid
O mitochondrion
O nucleus
(also idek if any of these are in both it was what my science teacher put down :/ )

Answers

Answer:

The mitochondria can be found in both eukaryotic and prokaryotic cells.

Explanation:

Nucleic acid isn't a structure

Chloroplasts are only found in plants

The nucleus is only founf in prokaryotic cells

which organ in the excretory system has a function similar to that of the esophagus in the digestive system

A. ureter

B. bladder

C. urethra

D. kidney

Answers

the answer is ureter aka letter A

The organ in the excretory system has a function similar to that of the esophagus in the digestive system is ureter. Thus, option A is correct.

What is urinary bladder?

Urinary bladder is a temporary storage part for storing urine and it collects urine after that create sensation and than urination is controlled my motor. The capacity of urinary bladder is 400- 600 ml but it can increases as high up to 1000ml.

The urinary bladder is particularly sac like structure made up of muscle and the shape of it is like a pear. It is present in the pelvic cavity, and the bladder become empty just after urination.

The capacity of urinary bladder is 400- 600 ml but it can increases as high up to 1000ml. In order to avoid bladder infection a person must drink proper amount of water, as well as cranberry juice and he must eat probiotics and garlic in daily diet.

Therefore, The organ in the excretory system has a function similar to that of the esophagus in the digestive system is ureter. Thus, option A is correct.

Learn more about urinary bladder here:

https://brainly.com/question/28496978

#SPJ2

Which statement best describes stars?

Answers

Yellow,bright, beautiful
Answer choices????????

URGENTT PLEASE HELPP
WILL MARK BRAINLIEST

Life is a dynamic process, and living things are always at work synthesizing new molecules. Because proteins carry out so many of the essential functions of living things, including the synthesis of other macromolecules such as lipids and carbohydrates, a big part
of the cell is devoted to their production and distribution.

Which cell organelle is involved in the synthesis of proteins?

A.) Smooth endoplasmic reticulum

B.) Lysosomes

C.) Rough endoplasmic reticulum

D.)Mitochondria

Answers

Answer:

i believe its lysosomes but im not 100% sure

Answer:

I THINK IT'S C

Explanation:

i'm sorry if i'm wrong

The chart shows the percentages of different groups of animals that are at risk of extinction. Endangered (%) Threatened (%) Birds 9.5 4.0 Reptiles and amphibians 12.0 3.5 Fish 14.1 7.6 Mollusks 24.0 4.0 Which claim is supported by the evidence in the chart? Fewer than ten bird species are endangered. More birds are at risk than reptiles. There are more mollusks at risk today than at any time in history. More fish are endangered than are threatened.

Answers

Answer:

More fish are endangered than are threatened.

Explanation:

This question includes a chart that describes the risk level (in percentage) of certain organisms. The comprehensive summary of this chart is as follows:

Endangered

(%)

Threatened

(%)

Birds

9.5

4.0

Reptiles and amphibians

12.0

3.5

Fish

14.1

7.6

Mollusks

24.0

4.0

Based on this chart, it can be observed that the level of endangered fish species is 14.1% while the level of threatened fish species is 7.6%. Hence, more fish are endangered (14.1%) than are threatened (7.6%).

What do plants need to survive? How do plants obtain energy?

Answers

Answer: obtain energy

Explanation:

Plants use a process called photosynthesis to make food. During photosynthesis, plants trap light energy with their leaves. Plants use the energy of the sun to change water and carbon dioxide into a sugar called glucose. Glucose is used by plants for energy and to make other substances like cellulose and starch.

What type of system is required to maintain the amount of sugar in the blood at a certain
level, making sure it does not rise too high or fall too low?

Answers

Answer:

The Digestive system.

Explanation:

Even though the Cardiovascular system pumps the blood in the body, blood sugar is dependent on the regulating hormones insulin and ketone. Which are created in the liver. And the liver is part of the Digestive system. Diabetes, hypoglycemia and hyperglycemia are results of a faulty liver.

Help pls 30 points
When an acid and a base combine they undergo a chemical change and produce a salt Which of the following is an example of a salt produced from an acid and a base?

Answers

Answer:

When acid and base solutions react, they produce water and a neutral ionic compound called a salt. The reaction is called a neutralization reaction.

Explanation

Cellular respiration occurs in which
organisms?

Answers

Answer:

Cellular respiration takes place in the cells of all organisms. It occurs in autotrophs such as plants as well as heterotrophs such as animals. Cellular respiration begins in the cytoplasm of cells. It is completed in mitochondria.

mutations are bad. this statement is true or false explain your answer

Answers

Answer:

false, only a small amount of mutations cause genetic disorders.

Explanation:

Explanation:

false .....

.....

..________

Inversion is a type of mutation that

Answers

Answer:

the action of inverting something or the state of being inverted.

Explanation:

This type of mutation occurs a piece of DNA detaches from a chromosome during the reproductive stage and then reattaches to the chromosome in a reversed order. This will change the genetic code and make it very difficult to read.

Which is budding??? Please help I am confused

Answers

Answer:

A

Explanation:

Definetly NOT C or D

I'm pretty sure its A

To check for a torn ligament, it would be best to use

Answers

Ultrasound. Using sound waves to visualize internal structures, ultrasound may be used to check for injuries in the ligaments, tendons and muscles of the knee.

what are steroids. ?

Answers

steroids, also known more properly as anabolic–androgenic steroids, are steroidal androgens that include natural androgens like testosterone as well as synthetic androgens that are structurally related and have similar effects to testosterone.

Explanation:

Answer:

its any of a large class of organic compounds with a characteristic molecular structure containing four rings of carbon atoms (three six-membered and one five). They contain things such as testosterone and they are normally used as drugs to build up muscles in the body.

Explanation:

hope this helps :))

what cellular process is occurring in the organelle labeled B?

Answers

Answer:

B. Cellular respiration

Explanation:

The cellular process that is occurring in the organelle labeled B is "Cellular respiration".

From the image, the organelle B is Mitochondria. Cellular respiration takes in the mitochondria and this is important because it leads in the production of ATP using the chemical energy that is found in glucose and other nutrients.

Mitochondria are known to be membrane-bound organelles. Their function is to generate most of the chemical energy that the cell needs for biochemical reactions.

WILL GIVE HEART, 5 STARS, AND BRANLIEST!

where does wave erosion happen? I NEED an answer that's not the shore, shoreline, or cliffs. I need an answer different than what I mentioned.​

Answers

Answer:

rivers/streams, or a lake.

Other Questions
Johnson sells $111,000 of product to Robbins, and also purchases $12,200 of advertising services from Robbins. The advertising services have a fair value of $9,100. Johnson should recognize total revenue to account for these events of: rev: 01_03_2020_QC_CS-190391 Multiple Choice $101,900 $98,800 $107,900 $111,000 What is the product?X^2-16/2x+18x^3-2x^2+x/x^2+3x-4 non biodegradable waste materials can still be reused or recycled to lessen the garbage in the environment. why is it important to lessen the garbage in the environment?a. when land is dumped with garbage, the land becomes occupied.b. garbage releases toxins that can cause land and air pollutionc. we can make money out of recycled materialsd. we can save money but out of reused materials what is the origin of the creepy pastas? its part of a homework thing What is the y-intercept on this table? Simon bought three plants at a nursery for $17.94. How much money would it cost for Simon to go back to the store and buy two more plants? Which of the following statements are always true? A. Two parallel lines are coplanar. B. Two skew lines are coplanar. C. Two planes that do not intersect are parallel. D. Two lines that lie in parallel planes are parallel. E. Two lines that lie in intersecting planes are skew. F. A line and a plane that do not intersect are skew. Un objeto se encuentra a los 4 segundos de 10 cm del origen, a los 12 segundos, a100 centimetros del origen, si mantuvo un movimiento rectilineo uniforme. cual es su velocidad? Can you please tell me what are taxes Where was the Inca civilization located?(they are native Americans) What system of government did the southern states most likely choose for their new country How do most plants take up nitrogen? HELP 5MIN LEFT Why is Crispus Attucks remembered?He led the British soldiers in the coloniesHe was a prominent businessman in BostonHe was the first person killed in the American RevolutionHe was a slave In farming, the relationship between precipitation during the growing season and crop yield is quadratic. The following table shows the amount of rainfall (in inches) with corresponding soybean crop yields (in bushels per acre) for an agricultural region.Rainfall Crop Yield2.25 42.12.75 43.03.25 43.83.75 44.24.25 44.54.75 44.35.25 43.5Use a quadratic regression calculator to write a quadratic function that provides a reasonable fit to this set of data. Select three reasons why the CMO in the chapter example wanted to revamp the marketing plan? 1. There is no use of Mayo2. Peoples taste changed3. Customers increasingly preferred organic4. People don't care about calorie intake5. Demand for chicken sandwiches varied widely Witch sets do -1 belong The combustion of liquid octane C8H18, in the presence of gaseous oxygent yields carbon dioxide and liquid water. In determining how many moles of water are produced by the reaction of 1.50 moles of octane, which conversion factor should be used? Which one? A. B. C. or D? Please help on number 19(20 points ) what does the Great Compromise lead to