Biological evidence

Answers

Answer 1

Answer:

According to nist.gov, Biological evidence refers to samples of biological material—such as hair, tissue, bones, teeth, etc.—or to evidence items containing biological material

Explanation:


Related Questions

Where does a spring in a ball point pen or a pogo stick get its energy?

Answers

Answer:

The spring gets its energy when it gets pushed down because it makes an effect to make the pen come out

Explanation:

The spring gets its energy when it gets pushed down because it makes an effect to make the pen come out.

What is energy ?

Energy is a universal term which can be used in different activities in day to day life,  can exist in many forms. All forms of energy are either kinetic or potential.

The different forms of energy on earth include The sun is considered the elemental form of energy, it is a quantitative property which can be transferred from an object to perform work.

The International System of Units system of energy is joule which are named after James Prescott Joule and it is the unit equal to the energy expended in applying a force of one newton through a distance of one meter.

Energy transfer can be defined as the movement of energy from one location to another,  various energy transformations happening around us such as Mechanically  force, Electrical force, radiation energy, heat energy.

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ATP is important because it powers our what?

PLZ HELPP

Answers

Answer:

ATP stands for adenosine triphosphate. It is a molecule found in the cells of living organisms. It is said to be very important because it transports the energy necessary for all cellular metabolic activities. Without ATP, various metabolic activities in the human body cannot take place.

Explanation:

New technology such as renewable energy sources has many positive aspects such as

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Stopping the use of non renewable resources, and stopping a lot of pollution in the process

Answer:

using nonrenewable sources

Explanation:

A plant only requires the correct chemicals to make plant food

Answers

Answer:

this statement is true. I plant does in fact only require the correct chemicals to make plant food

This statement is true. Not really sure if it’s a question ‍♀️

what is different between prokaryotic and eukaryotic​

Answers

Answer:

Explanation:

prokaryotes:

1] they have single chromosomes

2] they are unicellular

3] these are primitive and incomplete cells

4] they are found in bacteria and blue - green algae

eukaryotes:

1] they have more than 1 chromosomes

2] they are multicellular

3] these are advanced and complete cells

4] they are found in all living organisms except blue - green algae and bacteria

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Answer;

shortly:-The main differences between prokaryotic and eukaryotic cells are the presence of a nucleus, the size and complexity of the ribosomes, how the cells reproduce and the presence of a cell wall. Ribosomes: In eukaryotic cells, the ribosomes are bigger, more complex and bound by a membrane

but you need more explanation:-

Eukaryotic organisms are made out of cells that possess membrane-bound organelles and a membrane-bound nucleus. The genetic material of eukaryotic organisms is found within the nucleus of the cell and chromosomes are how the DNA is organized within the nucleus. Eukaryotic cells comprise both single-celled and multicellular forms of life. Eukaryotes compose the bodies of all protists, fungi, plants, and animals.

Eukaryotic cells display an impressive amount of diversity, and they are capable of being many different shapes and sizes. The structure of a eukaryotic cell is tied closely to its function. For example, the epithelial cells that make up the human body are usually divided into three different types: squamous, cuboidal, and columnar. Each of these different cell types has a different form that enables it to carry out its respective functionsEukaryotic cells may have the following parts:

   Cell wall (only plant cells)

   Plasma membrane

   Nucleolus

   Nucleus

   Chromosomes

   Vesicles

   Golgi apparatus

   Ribosomes

   Endoplasmic reticulum

   Cytoplasm (and cytoskeleton)

   Lysosomes

   Mitochondria

   Centrioles

   Chloroplasts (only plant cells)

Prokaryotic cells are almost always much smaller than eukaryotic cells. The size of a prokaryotic cell is usually around 1 µm, while the size of animal cells and plant cells are usually between 10 to 100 µm. Because eukaryotic cells are much larger than prokaryotic cells, they have evolved special methods of transporting substances around the cell that bacteria don’t have.

but

Eukaryotic organisms are made out of cells that possess membrane-bound organelles and a membrane-bound nucleus. The genetic material of eukaryotic organisms is found within the nucleus of the cell and chromosomes are how the DNA is organized within the nucleus. Eukaryotic cells comprise both single-celled and multicellular forms of life. Eukaryotes compose the bodies of all protists, fungi, plants, and animals.

Eukaryotic cells display an impressive amount of diversity, and they are capable of being many different shapes and sizes. The structure of a eukaryotic cell is tied closely to its function. For example, the epithelial cells that make up the human body are usually divided into three different types: squamous, cuboidal, and columnar. Each of these different cell types has a different form that enables it to carry out its respective functions.

The distinction between eukaryotes and prokaryotes is based upon two theories regarding the role of cells in biology. Cell theory states that all living things are made out of cells, and biogenesis theory proposes that all living cells came from other existing cells, so cells cannot spontaneously arise from non-living things (abiogenesis). For cells to comprise all the life we see on Earth they must be able to organize proteins and other chemical compounds. Individual cells are capable of keeping chemical processes isolated and compartmentalized so one chemical process doesn’t interfere with another chemical process, which runs the risk of disrupting the delicate chemical balance of the cell and leading to cell death.

   “A cell is regarded as the true biological atom.” — George Henry Lewes

To keep the chemical processes within a cell isolated and organized, cell components stay enclosed within a membrane that serves as the barrier between the interior of the cell and the cell’s environment. The membrane of a cell is selectively permeable, meaning that the cell will allow some chemical compounds into the cell and not others. The membrane of the cell is made out of a phospholipid bilayer, two groups of lipids arrayed in layers and facing opposite directions. Smaller compounds can penetrate the phospholipid bilayer, but larger compounds must enter the cell using a pore in the cell membrane.

The cell membrane has various methods of regulating how chemicals move in and out of the cell. Diffusion refers to the tendency of molecules at high concentrations to distribute out to areas of lower concentration until the concentrations across the two areas equalize. Osmosis is similar to diffusion, but it refers to the movement of a solvent across a boundary instead of a solute. This helps to equalize a solute that can’t move through a boundary. Selective transport, the movement of molecules within the cell, is handled by both membrane pumps and membrane channels.

QUICK: life on earth is greatly impacted by photosynthetic organisms. what do such organisms contribute to living organisms?

Answers

They produce oxygen for the other living organisms

Hello. Please help me. It’s due in 30 minutes! :)

What do we call the changing in magnetism as we move out from the center of a mid-ocean ridge?
Plate tectonic systems
Continental creep
Faulty ground flow
Magnetic reversal

Answers

Answer:

Continental Creep

Explanation:

The definition of Continental Creep is:

Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The speculation that continents might have 'drifted' was first put forward by Abraham Ortelius in 1596.

Which should hopefully help me explain my answer a little better.

Sorry it took so long to answer,

Hope this helps!

Your professor tells you that there are 32 possible genotype combinations for an organism. How many genes does the organism have?

Answers

Answer:

The organism will probably have 16 Genes

Explanation:

Genetics is the part of science managing the standards of variety and legacy in creatures and plants. The investigation of hereditary qualities gives us more prominent comprehension of how we can decide the probability of acquiring certain characteristics and clarifies and anticipate examples of legacy in family lines.

Each living life form is comprised of a wide range of qualities, or recognizing attributes, that make it a special person. Certain characteristics in plants and creatures may have characteristics that individuals need to advance.

Need answer for assignment asap.

Answers

D. Gravity and Saturated Soil

fox's diploid number of chromosomes is 36. How would the number of chromosomes in the fox's body cells compare to the number of chromosomes in its gametes?

Answers

Answer: body cells have twice as many chromosomes as gametes

Explanation: gametes are haploid. Somatic cells are diploid

____determine the carrying capacity of an environment for a species.
HELP PLEASE

Answers

Limiting Factors
A limiting factor determines the carrying capacity for a species. A limiting factor can be any biotic or abiotic factor: nutrient, space, and water availability are examples. The size of a population is tied to its limiting factor.

(hope this helped. have a nice day)

Limiting resources like adequate food, shelter, water, mating partner, etc. determine the carrying capacity of an environment for a species.

What do you mean by Carrying capacity?

Carrying capacity may be defined as the maximum number of individuals of a particular species that can be supported by the habitat. The carrying capacity of any habitat mostly depends on the following two factors:

The food to eat.The space to live.

The Carrying capacity of the same habitat may be different for different species. It significantly depends on how a species utilizes the resources which are present in the habitat. These resources are limited in terms of availability and could be consists of biotic and abiotic factors.

Therefore, limiting resources like adequate food, shelter, water, mating partner, etc. determine the carrying capacity of an environment for a species.

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What is the main factor that causes the bedrock to weather at different rates?

Answers

Answer:

more resistant

Explanation:

bedrock is resistant to weathering and erosion

how was the San Andreas Fault formed?

the creation of land in a subduction zone
consistent seismic activity
the kinetic energy in a rift valley
two plates moving past each other

Answers

Answer:

The correct answer is - two plates moving past each other.

Explanation:

The San Andreas Fault is a boundary or long valley that present at or represent the two different tectonic plates,  North America plate meets the Pacific plate.

The origin of this valley is almost 30 million years ago in California. At that time both tectonic plates the Pacific Plate and the North America plate first met and slid past one another to make a boundary called a strike-slip fault. These are cause the biggest earthquakes.

Answer:two plates moving past each other

Explanation:

What is diffusion? HeLP mEE

Answers

It’s two things splitting apart or separating

Answer:

Diffusion is the set movement of anything from a region of higher concentration to a region of lower concentration.

Explanation:

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*(I WILL GIVE BRAINIEST TO RIGHT ANSWER)* The diagram below shows a portion of the concept map for the rock cycle: ​

Answers

Answer: it B

Explanation: sorr if it wrong

Answer:

Hi there the answer to this is heat and pressure the answer you selected is correct

Explanation:

Heat and pressure are what helps the rock turn into metamorphic before turns back to sedimentary. What it does is that it creates new minerals in the rock once it hits metamorphic rock.

Hope this helped :)

What substances are combined with sunlight in the process of photosynthesis?
A. carbon dioxide and water
B. water and simple sugar
C. carbon dioxide and oxygen
D. oxygen and simple sugar

Answers

Ans: A .carbon dioxide and water
Carbon dioxide + water → glucose + oxygen

Process used when it is time for an
entire organism to reproduce

Answers

Answer: reproduction

Explanation: the process by which an organism produces its offspring is called reproduction.

The process used when it is time for an entire organism to reproduce is called MEIOSIS.

Meiosis is a type of reductional cell division by which a parental cell divides to produce four daughter cells having half of the genetic material (DNA) compared to the parent cell.

Meiosis is used by organisms with a sexual mode of reproduction to produce new organisms by a process called fertilization, which involves the fusion of two meiotic cells, one from each parent.

Germinal (sex) cells reproduce by meiosis, while somatic (body) cells reproduce by mitosis.

In conclusion, the process used when it is time for an entire organism to reproduce is called MEIOSIS.

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A particular triplet of bases in the coding strand of DNA is 5'-CGT-3! Which of
the following is the anticodon component of the tRNA that binds the mRNA
codon transcribed from this DNA?
AdGu 5
B. 3! - UGC-5
3 KGO15
0.3 AG 5

Answers

Answer:

The options to this question are incorrect.

The answer is 5'- CGU- 3'

Explanation:

DNA is the genetic material of living organisms that contains information on how to produce proteins needed for the normal functioning of the cell. This information is encoded in the nucleotide bases contained in the DNA molecule. The information is expressed via the process of transcription and translation.

Transcription is the process whereby DNA is used to synthesize a mRNA molecule. In this case, a particular triplet of bases in the coding strand of DNA is 5'-CGT-3. This undergoes transcription to give 3'- GCA- 5'.

This further undergoes translation with the aid of a tRNA, which carries the following anticodon component which is complementary to the mRNA codon: 5'- CGU- 3'.

does endoctosis use energy​

Answers

Yes I just think hope this help!

Lots of points any one knos

Answers

The other person is incorrect, it is D, the real monomers are nucleotides

How do most of the acids in acid precipitation form?

A. Compounds found naturally in the atmosphere.
B. Methane deposits that are being released from permafrost.
C. Natural erosion of igneous rock.
D. Humans burning fossil fuels.

Answers

Answer:

Since rain naturally has things dissolved in it, it will always be slightly acidic. However, when rain reacts with certain air pollutants, such as sulfur or nitrogen oxides, the water vapor converts into very diluted forms of sulfuric or nitric acids.

Explanation:

Since rain naturally has things dissolved in it, it will always be slightly acidic. However, when rain reacts with certain air pollutants, such as sulfur or nitrogen oxides, the water vapor converts into very diluted forms of sulfuric or nitric acids.

I think the answer is d

2. What happens in the thylakoid?

A. Krebs Cycle

D. Calvin Cycle/light independent reactions

C. light reactions/light dependent reactions

B. Glycolic Cycle​

Answers

C.Light reactions/light dependent reactions

Which of the methods of transport into or out of the cell require energy? Which do not?

Answers

Answer:

passive transport and diffuision

Explanation:

it  requires no energy from the cell. Examples include the diffusion of oxygen and carbon dioxide, osmosis of water, and facilitated diffusion. diffusion does not.

need an awnser asap!!
What is the purpose of beach nourishment? Select the two correct answers. (1 point)
O to mitigate beach erosion for a period of time
O to replenish sand on a beach U to help ocean life survive after beach erosion
O to stop all beach erosion from occurring
O to remove sand from a beach to offshore​

Answers

The purpose of beach nourishment is

B. to replenish sand on a beach

A. to mitigate beach erosion for a period of time

Beach nourishment is the process of placing additional sediment on a beach or in the nearshore. A wider and higher beach can give storm protection for coastal structures, create new habitates, and strengthen the beach for recreation.

The purpose of beach nourishment is  

To mitigate beach erosion for a period of timeTo replenish sand on a beach U to help ocean life survive after beach erosion.

What is Beach nourishment?

This involves the addition of extra sediment on a beach or in the nearshore.This is usually facilitated by wind and water.

Beach nourishment helps to check erosion and replenish sand and other nutrients.

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about _?_ percent of the solar energy that reaches the outer atmosphere is absorbed at the earth’s surface

a - 20
b - 30
c - 50
d - 70


Answers

Answer:

50

Explanation:

Question 9 of 25
Which is an example of current electricity?
A. Positively charged particles are attracted to negatively charged
particles.
OB. Negative and positive electric charges build up in different regions
of a cloud.
OC. Electrons flow from an outlet into a toaster, causing it to heat a
slice of bread.
OD. A person rubs a shoe on a rug, causing extra electrons to be
transferred to the shoe.

Answers

Answer:

D. a person runs a shoe on a rug, causing extra electrons to be transferred to the shoe

Answer: C. electrons flow from an outlet into a toaster causing it to heat a slice of bread

Explanation:

A PEX

dharinder saw his father removing unwanted plants from his field and asked him what is this process called? what would be his fathers reply? ​

Answers

Answer:

hey what's up guys jauhjajaga

hi please follow me​

Answers

Answer:ok

Explanation:

Answer:

Ok

Explanation

Why would we follow you

which organelles can be found in both plant and animal cells

Answers

Answer:

1. Cytoplasm

2. Plasma membrane

3. Nucleus

4. Mitochondria

Match the characteristics below to either monocots or dicots.


________netted veins in leaves

________herbaceous or woody stem

________corn, asparagus, and grasses

________parallel veins in leaves

________only herbaceous

________beans, peaches, and potatoes

SEE ANSWERS BELOW>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Answers

wait I think we’re doing the same assignment-
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