The atomic number is the ___.

• atomic mass
• number of neutrons
• protons plus the neutrons
• number of protons

Answers

Answer 1

Answer:

number of protons is the correct answer

Answer 2

Answer:

number of protons is the correct answer.


Related Questions

Composites are made from
a. layers of wood glued together in sheets
b. two or more plastics mixed together to make a new plastic
c. two or more materials mixed together that chemically mix into a new material
d. two or more materials mixed together to make a stronger material but the individual components remain visible

Answers

D is the best answer

GREETINGS!

D is the answer

Explanation:

A composite is made by combining two or more other materials so they improve one another but keep distinct and separate identities in the final product. So a composite isn't a compound (where atoms or molecules bind together chemically to make something quite different), a mixture (where one material is blended into another), or a solution.

HOPE THIS HELPS!

living things making new living things like themselves like these bacteria

O homeostasis
O cell
O growth
O reproduction

Answers

Answer:

Reproduction

Explanation:

The answer would be reproduction because it is creating a new living thing.

Reproduction cause when you reproduce you make something similar to what you reproduced. So answer would be reproduction.

15. Briefly explain how the gel (or DNA fingerprint) is made after DNA has been amplified.

Answers

Answer:

Like the fingerprints that came into use by detectives and police labs during the 1930s, each person has a unique DNA fingerprint. Unlike a conventional fingerprint that occurs only on the fingertips and can be altered by surgery, a DNA fingerprint is the same for every cell, tissue, and organ of a person. It cannot be altered by any known treatment. Consequently, DNA fingerprinting is rapidly becoming the primary method for identifying and distinguishing among individual human beings. DNA fingerprints are also useful in several applications of human health care research and for diagnosis of inherited disorders. DNA fingerprinting is often used in the justice system to link suspects to biological evidence and solve paternity cases.

Explanation:

DNA sample: A DNA sample that will be examined must first be gathered. DNA extraction: Using the lysis process, DNA is then extracted from the sample.

What is DNA fingerprint?

Restrictions endonucleases:The DNA fragment is cut at a particular place by a specific restriction enzyme.

Alec Jeffrey, a British biologist, created the DNA fingerprinting technique in 1984 after noticing that some highly variable DNA sequences, or minisatellites, that are repeated inside genes but do not affect their activities.

In DNA fingerprinting, a gel-like fluid is used to distinguish between DNA molecules that move at various speeds. A DNA molecule that is huge moves slowly, whereas a DNA molecule that is little moves quickly.

Therefore, DNA molecules are divided in gel electrophoresis according to size. When DNA molecules are divided into distinct sizes, bands of DNA are created.

Learn more about DNA, here:

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Describe the levels of protein folding- primary, secondary, tertiary & quaternary structure of proteins.

simplified pls

Answers

Answer:

The

different levels of protein structure are known as primary, secondary, tertiary, and quaternary structure. The primary structure is the sequence of amino acids that make up a polypeptide chain. ... The exact order of the amino acids in a specific protein is the primary sequence for that protein.

How is the health of a person important to a country? Select all that apply.
Countries with fewer healthy people have higher rates of disease.
Countries with more healthy people have higher rates of disease.
Countries with more healthy people have lower rates of disease.
Countries with fewer healthy people have lower rates of disease.

Answers

Answer:

A and C

Explanation:

A cotransporter is something that moves two substances across a membrane, one passively and the other actively. The Na+/ K+ ATPase transports sodium and potassium ions across the plasma membrane against their concentration gradients. This pump is not considered a cotransporter because

Answers

Answer:

both ions are transported actively

Explanation:

If both ions are being transported against their concentration gradients, then they are both being transported by active transport, as it requires energy.

A co-transporter moves two substances across the membrane, one passively and one actively. But in this case neither ion is moved passively, so it cannot be considered a cotransporter

A student designed an experiment to determine if air temperature had an effect on the rate of photosynthesis in corn plants. A constant in this experiment is the
A.Air temperature at which the corn plants were grown
B.Amount of carbon dioxide used by the corn plants
C.Volume of oxygen produced by the corn plants
D.Number of corn plants used

Answers

Answer: A) the air temp at which the corn plants are grown

Explanation:

The independent variable is the one that changes based on what problem/ question the experimenter is trying to solve. The student is trying to see if the air temp has an affect on the rate of photosynthesis so they whorls use various temps and measure the rate

The constant in this experiment is the number of corn plants used.

WHAT IS A CONSTANT VARIABLE:

In an experiment, a constant or control variable is a variable that is kept the same for all groups of the experiment.

The independent variable is tested to bring about a change in a dependent variable in an experiment. However, every other variable of the experiment must be kept constant. These variables are called CONSTANT.

In this question, the independent variable is the air temperature while the dependent variable is the rate of photosynthesis.

A constant in this experiment is the number of corn plants used. The number used must be the same for all groups.

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Investigator Benton uses several methods to analyze hair samples found at the crime scene. He examines the physical features of the hairs, their color and shape, as well as the medulla of the hairs. Using the hair root, he tests for nuclear DNA and also for mitochondrial DNA. Which of these tests would most likely indicate the owner's identity?

Morphology
Medulla
Nuclear DNA
Mitochondrial DNA

Answers

The answer should be the first one

Answer: Nuclear DNA

Explanation:

Got it right.

If one substance floats in another it must be dense


True
Or
False

Answers

Answer:

true

Explanation:

Density is the only thing affecting whether something floats or sinks. If an object has a higher density than the fluid it is in (fluid can mean liquid or gas), it will sink. If it has a lower density, it will float. Density is determined by an object's mass and volume.

The answer is false

1. Name one consumer in the food web. 2. Name one producer in the food web. 3. What provides energy for the producers in the food web: 4. Name one herbivore in the food web: 5. Name one carnivore in the food web: 6. Name one omnivore in the food web: 7. Name one top perdator in the food web. 8. Name one top predator in the food web: 9. Name one example of the owl's prey:​

Answers

1. Lion

2. trees

3. Plants, basically things that can make its own food

4. giraffe

5. hyena

6. humans

7. Tiger

8. Basically same as 7

9.mice

The *blank* converts food into energy. It is found in both plant cells and animal cells.

what is the *blank*?

Answers

Answer:

Glucose?

Explanation:


Animal cells use mitochondria to convert food into energy, and plant cells use both chloroplasts and mitochondria to make energy from light, air, and water.

Answer: Mitochondria

Two friends Rohan and Rajeev went out for a sports day. After coming back they were so tired they have ordered for drinks. Rohan had ordered for plain Glucose solution and Rajeev had opted for Mango juice. Whose choice do you think was right? Why do you think so?

Answers

Answer:

Rohan

Explanation:

Energy is needed for our daily activity and this is gotten after food eaten had been broken down to release glucose a form of sugar that supplies energy it is mostly gotten from carbohydrate food.

Rohan ordering for plain glucose solution is right this is because it doesn't require further breakdown for it to start it working process in the body while Rajeev who takes mango juice will take a while for energy to absorb from the juice.

Venus flytraps have leaves that have been modified to capture insects. Cacti have leaves modified into spines. How are these modified leaves classified?
A. Homologous structures
B. Analogous structures
C. Vestigial structures
D. Embryo development

Answers

Answer:

Answer is A, Homologous Structures

Explanation:

The insect-catching leaves of Venus flytrap and the and spiny leaves in cactus plants are classified as Homologous structures. Option A is correct.

Homologous structures:

These are the structures in the different organisms that show similarities in the basic organization of the structure.

These organisms are from common ancestors, Homologous structures serve completely different functions.For example- The insect-catching leaves of Venus flytrap and the and spiny leaves in cactus plants.

Analogous structures are those structures that serve the same function but are from different ancestors.

Therefore, The insect-catching leaves of Venus flytrap and the and spiny leaves in cactus plants are classified as Homologous structures.

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What does photosynthesis need to begin?

Answers

Answer:

photosynthesis begins with sunlight, carbon dioxide, and water

Explanation:

hope this helps

Each cell has a structure that separates the inside of the cell from.the environment. What cell is this?

Answers

Answer:

Either the cell wall or the cell membrane.

Explanation:

All cells have cell membranes which line the outside of the cell, and some cells have cell walls, which also line the outside of the cell. Since all cells have cell membranes I am inclined to believe that the correct answer would be cell membranes.

Why is volume measured in both cubic meters or cubic centimeters and liters

Answers

Answer:

The base units of length and volume are linked in the metric system. By definition, a liter is equal to the volume of a cube exactly 10 cm tall, 10 cm long, and 10 cm wide. Because the volume of this cube is 1000 cubic centimeters and a liter contains 1000 milliliters, 1 milliliter is equivalent to 1 cubic centimeter.

Which biome receives 200 to 400 cm of rain per year?

Deciduous forest

Temperate rain forest

Taiga

Grassland

Answers

Answer:

Temperate rainforest

Explanation:

I took the test.

Answer:

B-temperate rain forest

Explanation:

cause i am smart

What happens to matter and energy in the process of photosynthesis?

Answers

Answer:

Matter movement: Carbon dioxide and water enter into the cell. Matter change: Carbon dioxide and water react resulting in glucose and oxygen. Energy change: The light energy of the sun is converted into chemical energy that is stored in the high energy C-C and C-H bonds of glucose.

Explanation:hope it helps :)

name three functions of lipids in organisms

Answers

cell membrane and signalling

what fossil layer will corals be present in

Answers

Answer:

polyp

Coral polyps secrete a rock-like skeleton of calcium carbonate around them. Calcium carbonate is also the dominant consituent of the rock, limestone. Because modern corals live in large colonies, these skeletons can become quite large, sometimes forming reefs.the soft tissue decays which leaves a hard skeleton behind the skeleton also that was preserved as a fossil of ancient coral and the coral that exists today all belong to the order of  Scleractinia (SCLER-ac-TIN-ee-a). in the past the fossils found today lead to the conclusion that their where other kinds of coral which are now extinct The order Rugosa was dominated by solitary corals in which each coral polyp had its own skeleton. Rugose means wrinkled or rough, and the outer surfaces of most rugose coral skeletons has a wrinkled appearance. Because some of the solitary rugose corals formed horn-shaped skeletons, they are called horn corals. Some Rugose corals also formed colonies and coral heads. The order Tabulata consisted entirely of groups of coral animals that lived in large colonies with a shared skeleton. These colonial corals grew in mounds, branching shapes, as chain-like shapes, and even in shapes resembling pipe organs.

Explanation:

What is greatly affected by atmospheric pressure?

Answers

High pressure and stressful situations and others like this

DNA will condense into

Answers

Answer: DNA condenses into chromosomes.

Explanation: Chromatin carefully packs these DNA molecules into stringy-looking structures called chromosomes. If the DNA molecules in cells were not snaked around histones, the molecules would be 6 feet long when placed end-to-end, according to the National Human Genome Research Institute.

Answer, dna will condense to

Earth began as a mixture of about 90% stony, olivine-rich material and about 10% iron metal, just like the composition of chondritic meteorites. Soon after its formation the interior of the Earth is thought to have become very hot. What was the result of this increase in heat? A) The iron melted and collected in the interior of Earth to become its core. B) The olivine remained behind, becoming the mantle and the melted iron became the core. C) Both the olivine and iron melted and as they later solidified, became the mantle and the core. D) The olivine became the crust and the iron, melting, defended into the earth to become the core.

Answers

Answer: D. The olivine became the crust and the Iron melting defended the earth to become the core.

Explanation:

Earth was formed after it has went through a molten stage that led to the heavy materials sure as Iron metal moving inward to form the core, and the light materials moves toward the surface to form the crust.

The heat for the melting came from meteorite impacts which is usually very hot, the moon's impact, and the decay of radioactive elements.

Geological activity on the earth is driven from this initial source of heat at the earth's formation until now.

Compare the Viking 1 and 2 probes to the Pathfinder probe that landed on Mars in 1997. How was their technology different?

Answers

Answer:

Explanation:

In 1976, The Viking 1 and Viking 2 probes landed on Mars. For six years they transmitted fascinating panoramic views of the red and rocky soil of Mars back to Earth. Twenty years passed before a third probe landed on Mars. In 1997, the Pathfinder probe landed a miniature vehicle named Sojourner on the planet. The probes operated for three months and sent back large amounts of data on the Martian environment. At the same time, the Mars global surveyor probe was placed in orbit to take an overall portrait of the planet. It supplied hundreds of thousands of bits of information, especially on climatic variations.

Answer:

Viking 1 and Viking 2 probes transmitted panoramic views of the red and rocky soils back to Earth after six years later. The Pathfinder probe sent back large amounts of data of the environment especially about climatic variations in only three months. You can tell the technology was very different between these two because of how long it took for each probe to gather data.  

6. Name eight characteristics that all living things share.​

Answers

Answer:

homeostasis reproduction sensitive cells grow adapt interact respiration consume energy

Answer:

respiration,digestion,exretion,circulation,reproduction,locomotion and movement,chemical coordination

Explanation:

All these characteristics are found in living things

Blood isn't the only natural system that uses acid/base buffers. Limestone is made of calcium carbonate. How would you expect the pH of a lake with limestone bedrock to compare to other lakes after several years of acid rain?​

Answers

Since the lime stone acts as a filter I believe the pH would be around 4 to 9 it wouldn’t be too acidic because of the lime stone and it wouldn’t be too alkaline because there’s no chemicals in it

Which organisms utilize cellular respiration for energy production?
A. Prokaryotic Cells
B. Eukaryotic Cells
C. Both Prokaryotic and Eukaryotic Cells
D. Only Animal Cells​

Answers

C. Both prokaryotic and eukaryotic cells

What does the process of cell respiration provide for cells?

Answers

Answer:

Cells do cellular respiration to extract energy from the bonds of glucose and other food molecules. Cells can store the extracted energy in the form of ATP.

Explain the purpose of cellular respiration .where does it take place ?

Answers

Answer:

Cellular respiration, it is an aerobic process in which glucose is combined with oxygen and Adenosine di-phosphate (ADP) to produce carbon dioxide, water, and Adenosine tri-phosphate (ATP).

Cellular respiration takes place in double membraned organelle called mitochondrion.

Which is not a compound?
8H 2
5HCI
6Cao
он 20

Answers

Answer:

8H 2 because a compound consists of two or more elements

Answer:

8H 2

Explanation:

cuz if it was a compound a new substance formed by a combination of two or more different atoms

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