Select all the following that describe isotopes of an element
_ Different numbers of neutrons
_ Different mass numbers
_ Different atomic numbers
_ Different numbers of protons

Answers

Answer 1

Answer: different number of neutrons and different mass numbers

Explanation:

Answer 2

The statements that describe isotopes of an element are:

Different numbers of neutrons.Different mass numbers.

What is an isotope?

An isotope is defined as varieties of atoms that have the same atomic number and therefore constitute the same element even though they have different mass numbers.

Characteristics of an isotope of an element

Atoms that are isotopes of each other have the same number of protons in the nucleus.

They are found in the same place within the periodic table.

Therefore, we can conclude that the isotopes of an element are atoms with the same atomic number but different mass numbers.

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Related Questions

Identifying Plant Tissues
Identify the plant tissues in the three images.

A
B
C

Answers

A. dermal tissue
B. Vascular tissue
C. Ground tissue

Answer:

dermal

vascular

ground

Explanation:

edge 20

What are three ecosystem services provided by biodiversity.

Answers

Answer:

food water habitat

Explanation:

Which did Kepler notice about planetary motion that caused him to propose Kepler’s first law of orbital motion?

Answer is the distance to the sun varies.

I do not understand it. Can you please explain? Thank you.

Answers

Answer:

He is saying that the distance to the sun affects the orbit.

Explanation:

(:

Answer:

the distance of the sun varies because the earth has an elliptical orbit same reason some months are longer.

Explanation:

What is a lenticular galaxy? A. It is a type of galaxy that is an intermediate between a spiral galaxy and elliptical galaxy. B. It is an intermediate stage of evolution between an elliptical galaxy and spiral galaxy. C. It is a type of irregular galaxy that resembles a malformed ellipse. D. It is a galaxy stripped of gas and dust that contains young, bright stars.

Answers

Answer:

A. It is a type of galaxy that is an intermediate between a spiral galaxy and elliptical galaxy

Explanation:

name the types of neurons that are involved in reflex action​

Answers

Answer:

sensory, motor and relay. Hope this helps!

Explanation:

The mass of an object doubles. What happens to the gravitational force between it and another object whose mass stays the same, assuming they remain the same distance apart?

Answer is the amount of the gravitational force doubles.

I do not understand this. Can someone explain it to me? Thank you.

Answers

Answer:

When they double the force of gravity quadruple.

Explanation:

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Please determine whether the statement is true or false;


In vertebrates, the central nervous system (CNS), consisting of the brain and the spinal cord, integrates information, while the nerves of the peripheral nervous system (PNS) transmit sensory and motor signals between the CNS and the rest of the body.

Answers

Yes it be like that

A characteristic that an organism can pass on to its offspring through it’s genes

Answers

Answer:

hair color or eye color

Explanation:

dont know how to explain

Answer:

A trait. unless you're looking for specific traits then look at the other person's answer.

Explanation:

A trait is a characteristic passed on the the offspring

2 body systems when shooting an arrow

Answers

Answer:

Muscle and bones? They work to shoot an arrow.

Explanation:

What is an anaerobic respiration

AThe process sells used to release energy from glucose and oxygen is not available

BPhysical activity that increases heart And breathing rates

C The process cells used to release energy from glucose in the presence of oxygen

D Physical activity that decreases heart and breathing rates

Answers

Answer:

A

Explanation:

Anaerobic respiration occurs when there is not enough oxygen to produce aerobic respiration.

A. Anaerobic respiration is when there is no oxygen and aerobic respiration is when there is oxygen. You can remember this because “aer” sounds like “air”, of which oxygen is a part of.

Which of the following two statements describe benefits of bio technology in medicine

1. using stem cells to treat disease

2. using antibiotics to treat infection

3. diagnosing genetic diseases

4. producing antibodies such as antitoxins

5. curing diseases such as smallpox

Answers

The correct answers are 1. Using stem cells to treat disease, and 3. Diagnosing genetic diseases.

Explanation

Biotechnology is a science that covers different areas such as chemistry, biology, and technology, to improve or facilitate procedures related to living organisms by manipulating living or parts of these in areas such as agriculture, medicine, and pharmacy. In the area of medicine, biotechnology is in charge of working with DNA to improve people's health. Also, it is in charge of investigating the cells to know in depth the problems that trigger diseases or genetic problems. Another use of biotechnology in medicine is through the use of stem cells in treatments for self-renewal or regeneration of damaged tissues. So, the correct answers are 1. Using stem cells to treat disease, and 3. Diagnosing genetic diseases.

Here's the Answers, Hope this Helps

When fewer visual pigment molecules are available to absorb light (for example, when a person has a color weakness), which of the following nervous system responses occurs? A.Fewer signals of the weakly perceived color are sent to the brain. B.A normal number of signals of the weakly perceived color is sent to the brain, but each signal is less intense. C.The signals for the weakly perceived color are sent to the brain via other, more plentiful, pigments. D.Light molecules stimulate the cells to make additional pigment.

Answers

Answer:

A.Fewer signals of the weakly perceived color are sent to the brain.

Explanation: the brain is the seat of nervous coordination where nerve cells sends signals for processing. An individual with a weak color means a fewer signal for color production is sent to the brain this is due to low pigment it had hence fewer pigment molecule are available to absorb light. If the pigment is high the signal sent will also be high.

Consumers differ from producers in that unlike producers, consumers ___________.

a.
do not require energy inputs

b.
cannot make their own food

c.
make their own food

d.
cannot sense and respond to change

e.
do not pass DNA to offspring

Answers

Answer:

Consumers differ from producers in that unlike producers, consumers cannot make their own food.

Explanation:

Producers like plants make their own food not consumers like humans.

hope it helps!

Consumers differ from producers in that unlike producers, consumers .b. cannot make their own food.

Producers can make their own food and energy, but consumers are different. Living things that have to hunt, gather and eat their food are called consumers. Consumers have to eat to gain energy or they will die. There are four types of consumers:

omnivores, carnivores, herbivoresdecomposers.How do consumers differ from producers?

The producers generate food for themselves and others; consumers do not produce anything, instead eating producers, other consumers or both. Organisms that eat only producers (i.e., plants) are called herbivores. Animals that eat only consumers (i.e., meat) are called carnivores.

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A student plays football outside on a hot day and lost a significant amount of water in sweat. How will this affect his blood volume?
A.Blood volume decreases
B. Blood volume stays the same
C. Blood volume increases

Answers

Answer:

A.Blood volume decreases

Explanation:

Blood volume refers to the fluid substances including blood circulating in the body via blood vessels. The blood volume must be optimal in order to ensure that every organ in the body gets an ample amount of blood. One of the things that can result in alteration of the normal blood volume is DEHYDRATION, which is the loss of water from the body.

Dehydration decreases the blood volume because the water content in the blood becomes decreased as water is lost, which would have detrimental effects on the body because the blood pressure (force at which blood flows) will be reduced.

This is the case of the student in this question that loses a significant amount of water as sweat when he undergoes exercise in a hot weather condition. The loss of water will result in the decrement of his blood volume.

Which of the following is the best definition of the term genotype?

Answers

A genotype is a feature in the genes. I know this since a pheno is a physical trait while geno meaning gene is a trait in the genes that can't be seen.

The genotype refers to an organism's entire genetic makeup, including all of its inherited genes.

What is a genotype?

It represents the underlying genetic information that determines the traits and characteristics an organism will have, such as eye color, height, and susceptibility to certain diseases.

The genotype is influenced by the combination of genes passed down from parents and can also be affected by mutations or changes in the DNA sequence. The genotype serves as the blueprint for an organism's development and can impact its phenotype, or observable traits and characteristics.

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How does an increased population size affect the amount of competition between organisms?

Answers

Competition will increased because more organisms will be competing for resources

give one reason mendel chose pea plants for his experiment .

Answers

Answer:

-Pea plants reproduce sexually

-Male and female sex cells on pea plants allowed Mendel to cross pollinate them

-Pea plants have a variety of traits

Explanation:

hurry!! Which best describes the reactants and products of photosynthesis?
O Reactants are formed inside the plant, and products are taken in from the environment by the plant
Ihm
O Reactants are taken in in the environment by the plant, and products are formed inside the plant
O Reactants and products are formed inside the plant
O Reactants and products are taken in from the environment by the plant.​

Answers

Answer:

the answer is the second one

Explanation:

say, your mom is make cookies, and she goes to the store to buy the ingredients and comes back, the ingredients are the reactants, and the cookies are the products, make sense?

true or false: the momentum is moving planets does not depend on their masses

Answers

This is false, because plants have angular momentum, which is found by the formula (mass x velocity x distance). Therefore, mass is an important factor in a planet's momentum.

How do organims form carbon films

Answers

Answer:

Organisms form carbon film when sediments cover the organisms and decay of organisms form hollows.

Explanation:

Answer:

Organisms form carbon film when sediments cover the organisms and decay of organisms form hollows.

When an organism is covered by sediment, it begins to decay. When decaying, the organisms release a gas. This process in turns leaves a thin film of carbon that preserves parts of the organisms.

(Hope this helps) Sky

Out of the following, which level of organization is the most specific?

A
order
B
kingdom
C
domain
D
family

Answers

Answer:

family

Explanation:

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Q1:
A male child with wavy hair is born to a mother with curly hair and a father with straight hair.

Which type of inheritance best explains the child’s hair type?

A
codominance because the child’s hair type is a blend of the parental hair types
B
codominance because both the male and the female carry the gene for hair type
C
incomplete dominance because the child’s hair type is a blend of the parental hair types
D
incomplete dominance because both the male and the female carry the gene for hair type

Answers

Odpowiedź:

A) codominance because the child’s hair type is a blend of the parental hair types.

Wyjaśnienie:

AA - curly hair

aa - straight hair

Aa - qualities AA + qualities aa = Wavy hair  

The type of inheritance that best explains the child’s hair type is codominance because the child’s hair type is a blend of the parental hair types. The correct option is A.

What is inheritance?

Inheritance is the transfer of genes and characteristics from the parent generation to the offspring. It is done in sexual reproduction. The traits of the mother and the father are transferred into the child.

Codominance is a type of inheritance in which the traits of the father and the mother get blended and a third different type of trait is shown in the offspring.

Here, the father has straight hair, and the mother has wavy hair, but the male child shows the hair is wavy hair. This shows the process of codominance in the child.

AA - curly hair

aa - straight hair

Aa - qualities AA + qualities aa = Wavy hair.

Thus, the correct option is A. codominance because the child’s hair type is a blend of the parental hair types.

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The nations of the world agreed to preserve Antarctica for
A military activity
B. scientific research
C. the storage of radioactive waste
D. the expansion of their territories
Please select the best answer from the choices provided

Answers

D the expansion of their territory

Answer: is B scientific research.

Explanation:

If we were able to artificially alter the membrane permeability of pacemaker cells so that calcium influx is blocked

Answers

Answer:

The Heart rate would decrease

Explanation:

The Heart rate is expected to decrease, as calcium influx in blocked , since the threshold membrane potential can not be reached so quickly so the action potential will take place in longer time leading to decreased heart rate.

which of the following words best matches this definition: The process in which the best adapted organisms survive and pass on their traits, while those that are NOT well adapted do not survive.

Answers

Answer:

Survival of the fittest

Explanation:

According to the Darwin’s theory of survival, a species can survive among its peers only when it is fit enough to adapt to the natural changes and hence remain alive till its reproductive stage in order to produce fertile offspring.  

Such species which survive are known as fit species while the remaining unable to cope with changing environment die out at an early stage of life.  

DQ19: A pea plant must have exactly one of each of the following pairs of traits: Short (s) or tall (t); round (r) or wrinkled (w) seeds; yellow (y) or green (g) peas; and white (wh) or purple (p) flowers. For example, a pea plant can be short with wrinkled seeds, green peas and white flowers. How many different classifications of pea plants are possible

Answers

Answer:

There are 16 possible different classifications of pea plants.

Explanation:

In order to get the number of classifications, you must multiply all the possibilities by each other in each trait. This is, each trait has two states (short or tall, round or wrinkled, yellow or green, white or purple) and are referred to as "pair of traits". These must be multiplied with the other pairs of traits. So, the number of different classifications of pea plants is:

the number of high states x number of shape states x number of peas color sates x number of flower color states = 2 x 2 x 2 x 2 = 16.

21 points. ANSWER FAST FOR BRAINIEST. Why is the human body a system of interacting subsystems
composed of a group of specialized cells and tissues? (please use detail and be very specific!) this is supposed to be an essay but please just give me the main points/ the most important info!
I give brainiest and thanks! appreciate it :) SCIENCE

Answers

Answer:

Structure and Function. In multicellular organisms, the body is a system of multiple interacting subsystems. These subsystems are groups of cells that work together to form tissues and organs that are specialized for particular body functions.

Organs are groups of tissues that work together to perform a particular body function. Tissues and organs are specialized for particular body functions.

Hope this helps :)

How does science directly affect you? Where will what you have learned lead you next? PLEASE HELP ME RIGHT NOW!!!!!!!

Answers

Answer: Literally everywhere. Having an at least basic level of science helps you in day-to-day situations. For example, cooking. Not only is it crucial to understand the chemical and physical processes when cooking, you should also understand the complexity of how these micro and macromolecule exchange processes affect you and your body. Another prime example is your health, or human processes. You might not realize this, but your body is a plethora of complex, interconnected systems and networks that work hard 24/7 to maintain homeostasis (keep you alive). Understanding how our human physiques conduct themselves helps us gain the knowledge to be able to stay alive.

Why do you think scouts could hear better through the solid ground rather than
through the air?​

Answers

Answer:

Sound travels better through solids than through air.

Explanation:

Think about being in the pool: you can hear a lot of things, albeit muffled a little. Or think about tapping a really long pole, and someone standing far away can hear the vibration or the noise while touching the pole.

Solids are more tightly packed together. Sound needs a medium to travel though, and anything with densely packed atoms is better than loosely packed. The hierarchy is solid > liquid > air. Kinda funny that we do most of our talking through air.

Sound is better heard through solid ground then air

Use the word bank below to complete the passage below describing mitosis and meiosis. All words will be used at least once and most words will be used more than once.A) diploidB) mitosisC) meiosisD) sister chromatidsE) haploidF) homologous chromosomes1) A male giant panda has 42 chromosomes in its skin cells. This represents the _________ chromosome number. As the animal's old skin cells die and slough off, cells nearby divide through _________ to produce more skin cells. 2) Germ cells within the animal's testicles undergo _________ to replicate themselves and _________ to produce sperm. 3) The cells produced by mitosis in this panda have a _________ chromosome number and are produced after _________ are pulled apart into separate daughter cells.4) The cells produced by meiosis I in this panda have a _________ chromosome number and are produced after _________ have been pulled apart into separate daughter cells. 5) The cells produced by meiosis II in this animal have a _________ chromosome number and are produced after _________ have been pulled apart into separate daughter cells.

Answers

Answer:

1. diploid ,Mitosis

2. mitosis, meiosis

3. diploid, sister chromatids

4. haploid, homologous chromosome

5. haploid, sister chromatids

Explanation:

1. The Giant Panda has 42 chromosomes but these chromosomes exist in the form of homologous pairs therefore the Panda are diploid organisms. The somatic cells of the Panda undergo mitosis like skin cells.

2. The Germ cells are present in the testicles of the Panda which makes an exact copy of themselves by mitosis but these germ cells undergo meiosis to produce sperms.

3. The Mitotic division forms two daughter cells with the same genetic material because the sister chromatids of homologous chromosomes move to the opposite pole.

4. The meiosis I am also known as reductional division as the homologous chromosome separate and move to opposite poles during meiosis I and the ploidy changes from diploid to haploid.  

5. During meiosis II, the sister chromatids of a chromosome separate and move to the opposite poles as a result of this the haploid cells are formed.

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