In your own words, explain how the precise timing of an element's radioactive decay helps scientists find the actual age of a material? (5 points)

Answers

Answer 1

Answer:

Precise time can be studied with the help of amount of carbon in the body. By measuring the amount of carbon in the body scientist can find the actual age of a material


Related Questions

What is the name of lipids building blocks?

Answers

Answer:

Glycerol and fatty acids are the basic building blocks of fats (lipids).

Explanation:

Question Mode Fill in the Blank Question Fill in the blank question. In cells that contain a nucleus, the DNA is divided into multiple linear chromosomes which are organized into a complex structure called

Answers

Answer:

The correct answer is - chromatin.

Explanation:

Chromatin is a part within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions and these are complex structures present in multiple linear chromosomes.

The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus.

__________Are the subunits making up nucleic acids

Answers

Answer:

Nucleotides.

Explanation:

Nucleic acids (DNA, RNA) are large polymers, made out of monomer building blocks called nucleotides. The nucleotides have a similar structure with three 'subunits': A phosphate group

Transcription and Translation Questions Note: Answer the following questions without taking start codon into consideration. 6. The template DNA sequence is 5’ ACCTGAGTC 3’, what is the transcribed mRNA sequence from 5’ to 3’?

Answers

3’ UGGACHCAG 5’ is the answer.

Difference between Aves and mammals​

Answers

Answer:

Aves have their body covered in feathers. Bodies of mammals are covered with hair. ... Mammals have mammary glands. Aves have their forelimbs modified into wings.

Explanation:

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Answer

Aves

Aves or birds are vertebrates that are able to fly. They own feathers. Aves bones are hollow and light. Forelimbs of the aves are adjusted to flight. The Aves belong to the phylum Chordata of the animal kingdom.

Mammals

Mammals are a class of vertebrates of kingdom Animalia. Mammals are distinguished from other animals by having their own mammary glands. Mammals are multicellular, eukaryotic organisms. Animals belonging to class Mammalia are referred to as mammals.


Difference between Aves and Mammals

The difference between aves and mammals are attached as image

During alcoholic fermentation, when is NAD+ converted to NADH -- during the conversion of glucose to pyruvate (glycolysis) or during the conversion of pyruvate to alcohol?

Answers

Answer:

During the conversion of glucose to pyruvate glycolysis or during the conversion of pyruvate to alcohol

Explanation:

During the conversion of glucose to pyruvate, NAD+ is converted into NADH.

What is alcoholic fermentation?

Alcoholic fermentation is a biological process that converts sugars into cellular energy while emitting ethanol and carbon dioxide as byproducts.

The NADH + H+ from glycolysis would be recycled back to NAD+ during the fermentation process, allowing glycolysis to continue. NAD+ is reduced during glycolysis to form NADH + H+.

Thus, during this, when glucose is converted to pyruvate, NAD+ is being converted to NADH.

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What was the name of your fish sample, according to the restaurant menu?
Types of Sashimi (slice of raw fish) listed on the restaurant menu:
1. Escolar – Super white tuna
2. Maguro – Big eye tuna
3. Hamachi – Yellowtail
4. Tai – Red snapper
5. Nama Sake – Salmon
6. Saba – Mackerel Fish

Answers

normally, yellowtail and salmon is served as sashimi but im not sure I don't really get the question lol

Exchange of gases in plants occur through:
(A): Stomata.
(B):Lenticels.
(C):Root surface.
(D):Choloroplast.

(1)A,B and D
(2)A,B,CandD
(3)AandC
(4)A,BandC

Answers

Answer:

(A): through the stomata

Which of the following statements about eutrophication is TRUE?
a) Eutrophic bodies of water are characterized by clear water that is relatively free of algae. •
b) Climate change is expected to worsen eutrophication because many phytoplankton grow better in warm water
c) Eutrophication is typically driven by natural processes like rock weathering and nitrogen fixation
d) Eutrophication can harm fish and other aquatic species but does not cause health problems for humans

Answers

Answer:

c) eutrophication is typically driven by natural processes like rock weathering and nitrogen fixation.eutrophication happens when too much nitrogen enriches the soil, causing excess growth of plants and algea.

I hope this helps

When nitrogen from fertilizers seeps into soil, it frequently fosters weed growth rather than the development of native plants. The excess of nutrients caused by nitrogen washing into streams is known as eutrophication. Thus, option C is correct.

What best define about eutrophication?

A surplus of nutrients in water, primarily nitrogen and phosphorus, causes a process called eutrophication. By consuming the nutrients, algae flourish, proliferate, and tint the water green.

Algae blooms can have an unpleasant odor, restrict sunlight, and in some circumstances even produce toxins.

The process of eutrophication occurs when a body of water receives an excessive amount of nutrients, which increases the growth of algae and macrophytes. It causes water bodies' dissolved oxygen levels to drop and their water quality to deteriorate.

Therefore, Eutrophication is typically driven by natural processes like rock weathering and nitrogen fixation.

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What are the functions of hypothalamus​

Answers

Explanation:

releasing hormones.regulating body temperature.maintaining daily physiological cycles.controlling appetite.managing of sexual behavior.regulating emotional responses.

The nucleus of the cell is similar to the_______ system of the body.

Answers

The nucleus of the cell is similar to the Neurological system of the body.

The nucleus of the cell is similar to the Neurological system of the body.

What is Nucleus?

According to the Cell Biology, nucleus may be a membrane found in organism cells.

The nucleus contain all of the cell's ordering except mitochondrial DNA and in plant cell, Plastid DNA.

Nuclear DNA is organized as multiple long linear molecules in a very complex form with a large variety of proteins, like histones, to make chromosomes.

The nucleus maintains the integrity of sequences and controls the activities of the cell by regulation gene expression—the nucleus is, therefore, the control center of the cell

The nucleus contains nearly all of the cell's polymer, enclosed by a network of fibrous intermediate filaments and enveloped in an exceedingly double membrane referred to as the "nuclear envelope".

The nuclear envelope separates the fluid within the nucleus, referred to as the living substance, from the remainder of the cell. The scale of the nucleus depends on the scale of the cell it's contained in, with a nucleus usually occupying 8% of the whole cell volume.

The nucleus is the largest organelle in animal cells.

For example- In mammalian cells, the average diameter of the nucleus is approximately 6 micrometers (µm).

What is Neurological System or Nervous System of the body?

The  Nervous system could be a extremely advanced a part of associate degree animal that coordinates its actions and sensory data by sending signals to and from completely different components of its body.

In vertebrates it consists of 2 main components, the central system (CNS) and therefore the peripheral system (PNS). The CNS consists of the brain and neural structure.

The function of the system is to send signals from one cell to others, or from one a part of the body to others and to manage the body.

It will this by extracting data from the setting exploitation sensory receptors, causing signals that encrypt this data into the central system, process the data to work out associate degree applicable response, and causing output signals to muscles or glands to activate the response.

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Celluose is a type of
1 lipid
2 carbohydrate
3 protein
4 grass

Answers

Answer:

cellulose is a type of carbohydrate. hope it help you.

Answer:

2.Carbohydrate

Explanation:

Thank you✌️❣️✌️

Which inherited characteristic will this toucan pass on to its offspring?
I am really bad at bio and brainly has helped me a lot!!!!!

Answers

Answer:

B. Black fur

Explanation:

The last two options are normal to a bird.

Answer:

A colorful beak

Explanation:

got it right on my quiz

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The locus B on the X chromosome of a malaria-carrying mosquito shows a 49% recombination rate with respect to the locus M. Since a recombination rate of 50% is essentially indistinguishable from independent assortment, you might be tempted to look for a locus that falls between B and M. Before you decide to do all that work, you run a chi square test to determine the P value of your experiment.

Required:
What range of P values would tell you that you should accept the conclusion that locus B and locus M are, indeed, 49mu apart and that another locus is not necessary?

Answers

Answer:

The correct answer is - P = 0.45

Explanation:

The Chi-square test is a test that determines the assorted genes independently. Here p-values used to make conclusions in significance testing.

If the p value is less than the significance level we expect or choose, then this null hypothesis is rejected in favor of the alternative hypothesis. It p value is greater than or equal to the significance level, then we fail to reject the null hypothesis.

So in this case, as the recombination rate is 49% so the p value which satisfies the conclusion will be around 0.45 and values near to it.

what is the formula for net primary productivity​

Answers

Gross Primary Production or GPP minus the carbon that is lost to respiration

Explanation:

NP = GPP - RESPIRATORY LOSS

Which properties of protists make it difficult to group them in any other group?

Answers

Answer:

the first one

Explanation:

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Hypoxia is known to cause a disruption of somitogenesis. If a mouse embryo were temporarily exposed to low levels of oxygen during the final stages of somitogenesis, what would you expect to see in the vertebral column of the newborn mouse

Answers

In mammals, hypoxia may cause defects during fetal development. In this case, it would be expected to observe an abnormal development of the caudal (tail) vertebrae

Somitogenesis refers to the process during embryo development in which somites form. These somites are cells that will give rise to structures associated with the vertebrae body plan. Somites form sequentially from the head to the tail, where each new somite forms on the caudal or tail region of the previous one.

Somitogenesis represents the first sign of segmentation of the developing vertebrate embryo. During somitogenesis, the unsegmented paraxial or presomitic mesoderm in the trilaminar embryonic stage is segmented in order to form pairs of somites. Moreover, caudal vertebrae refer to the bones that form the tail of vertebrates, which derive from caudal somites.

Embryo hypoxia refers to the condition in which the developing embryo does not receive sufficient oxygen (O2) supply. It has been shown that hypoxia during embryo development can increase the incidence of malformations. In this case, embryo hypoxia affects normal caudal somite segmentation, thereby leading to defects in the caudal (tail) vertebrae.

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write down the effects of gravitational force ​

Answers

Answer:

The effects of gravitational force are :

i) The Sun's gravitational pull keeps our planet orbiting the Sun.

ii)The motion of the Moon is affected by the gravity of the Sun AND the Earth.

iii) The Moon's gravity pulls on the Earth and makes the tides rise and fall every.

iv) The Earth's gravitational force accelerates objects when they fall.

Which of the following describes the product of Meiosis?
A. 4 genetically identical diploid cells
B. 2 genetically unique haploid cells
C. 4 genetically unique diploid cells
D. None of these are correct

Answers

The option that describes the product of meiosis is D, i.e. none of these are correct.

What is Meiosis?

Meiosis may be defined as a type of cell division in which four daughter cells are produced by a parental cell. These daughter cells are haploid in nature.

The product of meiosis is four genetically unique haploid cells which are not described in any options. So, the correct option for this question is D.

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Muscle weakness is associated with Vit A/ Vit E/ Vit K/ Protein deficiency

Answers

Sorry if it wrong but I think it is Nerves, or blood vessels

Answer:

Low vitamin E levels may result in Muscle weakness: for the central nervous system, vitamin E is vital. It is one of the major antioxidants in the body and a shortage causes oxidative stress that can lead to weakening in muscles.

Explanation:

The body needs to work with vitamin E and become a necessary vitamin. It is fat-soluble, thus it has to be effectively absorbed in fat from the food. Before being released to the bloodstream for usage, vitamin E is mostly kept in the liver.

The deficiency is unusual and usually caused by an understatement. There are also modest levels of preterm newborns.

Eight kinds of vitamins exist. A blood test allows a physician to know how much a person has of an alpha-tocopherol form. Use this information to establish if the total vitamin E level of a person is present.

A standard level is typically between 5.5 and 17 milligrams (mg/L) per litre. For premature infants and youngsters under 17 years, the typical range may be different. The Normal scope may also be somewhat different amongst laboratories.

If an adult has less than 4 mg/L of vitamin E in his or her blood, supplementation is usually necessary.

If the inner membrane of mitochondria was not folded, how would it affect the organism?

Answers

Answer:

There wouldn't be enough surface area for the electron transport chain.

what the person above or below me said

When using a scientific calculator, what is the the correct order of buttons to
press to enter the number 3.5 x 1015?
O A. [EE] [1] [5] [3] [] [5]
B. [1] [5] [3] [5] [EE]
C. [3] [.] [5] [EE] [1] [5]
O D. [1] [5] [3] [] [5] [EE]
SUBMIT

Answers

It’s D because it had been multiple times the amount

Acidic amino acids have two -COOH and one -NH2 group per molecule. Select the pair that consists of acidic amino acid
a) Aspartic Acid , Glutamic Acid
b) Lysine , arginine
c) Glycine and alanine
d) Both a and b​

Answers

Answer:

Its Aspartic acid, glutamic acid

I HOPE ITS RIGHT IF NOT THEN SORRY :)

Answer:

a) Aspartic Acid , Glutamic Acid are acidic amino acids

Explanation:

HOPE IT HELPS

Sophia
Which of the following represents the correct flow of information during
homeostasis?
Home
a.) Integrator - Sensor - Effector
O b.) Sensor - Integrator - Effector
Hi
WHAT'S
oc.) Sensor - Effector - Integrator
Welcome to
allows your
o d.) Effector + Integrator + Sensor
1. Homeo
2 Sensors

Answers

Answer:

b.) Sensor - Integrator - Effector

Explanation:

During homeostasis, our body sense change that occur in the external environment through sensors. These sensors sends the information to integrator or the control center where the information is analyzed. After analysis, the instructions are send to the effectors to take action against the change which is occur in the external environment of our body so the correct order of homeostasis is Sensor - Integrator - Effector.

When is a hypothesis considered scientific?

Answers

A hypothesis is considered scientific if it has something that can be supported or refuted through carefully crafted experimentation or observation

Analyze the graph with a partner. How many mass extinctions did you identify? How did you determine when they occurred?

Answers

Answer:

4 mass extinctions

Explanation:

as there are huge drops in the graphs

at 440,390,260,50

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Nutrient Food source Role in the body Vitamin A Iron Iodine Vitamin D Protein​

Answers

Answer:

There are seven main classes of nutrients that the body needs. These are carbohydrates, proteins, fats, vitamins, minerals, fibre and water. It is important that everyone consumes these seven nutrients on a daily basis to help them build their bodies and maintain their health.

these are the 7 main classes of Nutrition that the body needs hope it will help you

Como harías para ver microorganismos del suelo con plantas y del suelo sin plantas

Answers

Answer:

i didn't understand what you told


a. Which of the following animals does not have constant body temperature? 1) squirrel 10) crocodile iil) bird iv) human being b.​

Answers

answer: crocodile

Birds and mammals do have constant temperature s ....squiral and human being are mammals.

my answer is crocodile

Explanation:

hope this helps

How do simple organisms exchange substances?
O A. Directly across the alveoli.
OB. Through spiracles.
C. Directly across the external membranes.
D. Through specialized gas exchange systems.

Answers

The answer is D. Through specialized gas exchange systems.
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