Where on earth did life first begin?

Answers

Answer 1

Answer:

As of 2017, microfossils (fossilised microorganisms) within hydrothermal-vent precipitates dated 3.77 to 4.28 Gya in rocks in Quebec may harbour the oldest record of life on Earth, suggesting life started soon after ocean formation 4.4 Gya during the Hadean Eon.

Explanation:

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Related Questions

At Happy Harry’s Laundromat, the dryer costs $1.50 for 10 minutes. At Jolly Judy’s Laundromat the dryer costs $2.25 for 15 minutes. Which laundromat offer the better deal?

Answers

They are equal I think

Shelly is in Hawaii on vacation with her family. What type of rock would she most likely find on the surface of Hawaii?

Answers

Answer:

igneous rocks

Explanation:

since Hawaii is so densely populated with volcanoes, the probability of finding rocks due to volcanic eruptions would be very likely compared to sedimentary or metamorphic.

PLEASE HELP, WILL MARK BRAINLEST

Examine the following image. Which ocean-floor feature is indicated by the arrow in the image?

A diagram showing a location where seafloor spreading occurs

Public Domain

Guyot
Mid-ocean ridge
Seamount
Trench

Answers

Answer:

Its a guyot.

Explanation:

That picture on the screenshot looks like the one I put in

Answer:

guyat

Explanation:

What do contour lines that are farther apart represent?

Answers

They represent something

why do exons have to be spliced together? I swear I'm so supi d lol. Please Help :)

Answers

because during slicing the introns are removed from the pre-mRNA & the exons are stuck together to form a mature mRNA that doesn’t contain the intron sequences

8. Which of these is the direct result of an error in the transcription of a DNA

nucleotide?

A. Amino acids do not bond to tRNA.

B. Transportation of mRNA does not occur.

C. The nuclear membrane is ruptured.

D. RNA sequence is incorrect.

CLEAR ALL

Answers

Answer:

D. RNA sequence is incorrect.

Explanation:

Genome editing can be defined as a high-tech process which avail scientists the opportunity or ability to remove (delete), replace and insert Deoxyribonucleic Acid (DNA) sequence in a living organism such as bacterias, animals, plants etc in order to correct a genetic disorder and to improve on their physical and chemical conditions.

Transcription can be defined as a process which typically involves re-writing the informations contained within a Deoxyribonucleic Acid (DNA) into a Ribonucleic Acid (RNA) by enzyme RNA polymerase.

When a RNA sequence is incorrect, it leads to an error in the transcription of a DNA nucleotide.

This ultimately implies that, an error in the transcription of a DNA nucleotide is the direct result of an incorrect codon sequence (RNA nucleotides).

Can a single cell be living but not be an organism?

1. Yes
2.no

Answers

No, this is not possible.

what is
the example of animals ​

Answers

Answer:

There are many different animal classes and every animal in the world belongs to one of them. The five most well known classes of vertebrates (animals with backbones) are mammals, birds, fish, reptiles, amphibians.

Explanation:

I hope this helps!

What organelles are only present in plants?

Answers

A chloroplast is an organelle that is only present in plant cells. It is a plastid that contains chlorophyll and is also where photosynthesis takes place.

A strand of DNA, GCT-AAT-GAT, unzips to make mRNA. What is the sequence of the complementary mRNA strand?

A. UAG-CCG-UCG
B. CGT-TTA-CTA
C. CGA-UUA-CUA
D. GCT-AAT-GAT

Answers

Answer:

C. CGA-UUA-CUA

Explanation:

The deoxyribonucleic acid (DNA) is a double helix molecule which is composed of four letters or 'nucleotides': guanine (G), cytosine (C), adenine (A) and thymine (T). The base-pair rules state that in the DNA double helix, G always pairs with C, while A always pairs with T. Moreover, during transcription, a base named uracil (U) replaces T in the resulting RNA sequence. Therefore, in this case, the complementary sequence (i.e., antisense strand) to the mRNA sequence is CGA-UUA-CUA.

Matching list - biology

Answers

1.B 2.A 3.C That’s the exact answer in order

What are the 3 main greenhouse gases ?

Answers

Answer:

carbon dioxide

methane

nitrous oxide

Answer:

Carbon Dioxide.

Methane.

Nitrous Oxide

What is the main source of Earth's light?

Answers

Answer:

The Sun

Explanation:

Answer:

The sun

Explanation:

The main source of light on Earth is the Sun. Sunlight provides the energy that green plants use to create sugars mostly in the form of starches, which release energy into the living things that digest them. This process of photosynthesis provides virtually all the energy used by living things.

PLEASE HELP!!!!
A laboratory investigation included examining multicellular organisms that has a nucleus and could move from one place to another. The organisms probably belong to the kingdom:

A. Animalia

B. Eubacteria

C. Plantae

D. Fungi

Answers

Answer:

A. Animalia

Explanation:

Animals are multicellular organisms. They have a nucleus and can move from one place to another.

where is the fertilization in plant take place​

Answers

ovary
Fertilization takes part in the ovary of a female flower. Wind or pollinators carry the pollen from the male anthers to the female flower parts. After the pollen lands on the stigma, a pollen tube forms, and male reproductive material travels down the style and into the ovary, where it fertilizes an ovule.

Answer:

Fertilization occurs when one of the sperm cells fuses with the egg inside of an ovule. It occurs in ovary of female flower

Explanation:

After pollen grains land on the stigma, a pollen tube grows from the pollen grain, through the style, and into the ovary. Sperm cells inside the pollen grain travel down the pollen tube and into the ovary which contains the ovules.

______________*_______*________________

Stay safe,stay healthy and be blessed.

The sun is shining at a church with a stained glass window. What happens?

Answers

Answer:

c

Explanation:

because if it's stained then the sun does pass through it as well

Answer:

c

Explanation:

because light is all colors in one form, white, (i think) only some of the light can pass through. some colors going through certian colors, others blocking or absorbing the light

im like 90% sure that thats right, although i do know the answer is c

true or false active transport moves molecules from an area of high concentration to low concentration

Answers

True if not I’m sorry

describe how you could determine the population size of a specific type of plant in a large forest without counting all of the plants

Answers

Answer:

The study of living and nonliving components of a system can be best described as an. ecosystem ... Describe how you could determine the population size of a specific type of plant in a large forest without counting all of the plants

It is possible to determine the population size of a specific plant in a forest by counting the number of the specific plant in a small section of the forest and then multiply this by the total area.

This technique is known as quadrat sampling.

Quadrat sampling is a methodology by which organisms of a sample of the habitat are directly counted and then this value is used to calculate the total population of an area, i.e., the total number of individuals/organisms in a given area.

In this case, a quadrat delimits a small area in which the specific plant can be estimated.

The abundance of a population in a particular area can be estimated by using the number found per quadrat and then multiply this value by the total size of the area.

Quadrat sampling is a very useful methodology for the study of biodiversity.

In conclusion, it is possible to determine the population size of a specific plant in a forest by counting the number of the specific plant in a small section of the forest and then multiply this by the total area.

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What is an amendment?

A) A change to something
B) Something that forms the central core
C) What people do as part of a democratic society
D) A document outlining the structure of government

Answers

Answer:D

Explanation:an official document of the government

Investigator Campbell is in charge of the forensics lab. One of the analysts in the lab ended up with contaminated evidence from the scene of an explosion. Looking through their work area, she sees they have a very small table next to a sink with small nylon bags stored in tight rows at room temperature. What would she advise the analyst to change about their evidence system? The evidence needs to be refrigerated quickly between analyses. The evidence can't be stored in nylon bags at all. The bags can't be kept so close together. They can’t be near the sink—it’s too humid.

Answers

Answer:

The bags can't be kept so close together.

Explanation:

If an organism uses mitosis (asexual reproduction) to reproduce. What is the outcome?



A. The offspring are twice as large as the parent

B. The offspring are genetically identical to the parent

C. The offspring developed from a parents fertile egg

D. The offspring have half as many chromosomes as the parent

Answers

Answer:

B

Explanation:

I learned this 2 years ago

It b for sure hope it helps:)

help!!!!
please answer these questions

Answers

Answer:

DO IT YOURSELF

Explanation:

ok?

what are phosphates?
plsss help

Answers

Answer:

mineral is a phosphate

Explanation:

Answer:

In chemistry, a phosphate is an anion, salt, functional group or ester derived from a phosphoric acid. It most commonly means orthophosphate, a derivative of orthophosphoric acid H ₃PO ₄. The phosphate or orthophosphate ion [PO ₄]³⁻ is derived from phosphoric acid by the removal of three protons H⁺ .

Explanation:

What are igneous rocks made of
A. a moisture of materials made from both living and no living processes
B. Materials that crystallized from magma or not lava, not from once living things
C. Materials that came from living things and that accumulated on the sea floor
D. Fossil fuels and other materials that came from once living things

Answers

Answer:

B

Explanation:

Igneous rocks are formed by the solidification of magma or lava.

Answer: Igneous rocks are made of B. materials that crystallized from magma or not lava, not from once living things

Explanation: Igneous rocks are formed from the solidification of magma, which is a hot (600 to 1,300 °C, or 1,100 to 2,400 °F) molten or partially molten rock material. Earth is composed predominantly of a large mass of igneous rock with a very thin veneer of weathered material—namely, sedimentary rock.

Tidal energy is produced through the use of tidal energy generators. These large underwater turbines are placed in areas with high tidal movements, and are designed to capture the kinetic motion of the ebbing and surging of ocean tides in order to produce electricity.

Answers

Answer:

Alternative energy

Explanation:

what is the milliliters of the corn syrup ?

Answers

Answer: 225
Explanation: hope this helps

Which word identifies the agent that carries the energy released from earthquakes?
1. Epicenter
2. Focus
3. Lithosphere
4. Waves
95 points, and plz hurry, thank you!

Answers

Waves I’m pretty sure

Answer:

it's D. waves

Explanation:

took the test on edge and got it correct

PLEASE HELP.
Where does the water come from to feed the drainage basin?:
ground water
water vapor
surface water
ocean water

Answers

Groundwater

Is water that occupies pore space in the rock and soil layer beneath our feet, filling natural underground storage areas called aquifers, going on to feed into surface water sources like lakes, ponds, rivers, and even the ocean

Cells come from other cells. Question 2 options: Sometimes False Never True

Answers

Answer:

This statement is true because cells have the capability to divide.

Answer:

It is true

Explanation:

I took the test its right

How is the number of organisms in a population related to the things they need to live, grow, and reproduce?

Answers

if the population/number of the things they need decrease, so will the number of the organism
Other Questions
Which of these rhetorical devices was the author of the declaration usingwhen he included words like plundered and destroyed?A. ParallelismB. EthosC. DictionD. Logos Pleasee helppp answer correctly !!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!! help me pls , im stupif 2x+3 = 13Bdnsmssl n bb bx In chapter 7 of Brandon Brown Quiere un Perro, how is brandon's mom feeling when she leaves the doctor' office? You are the manager of an off-site airport auto rental office. An employee has informed you that the shuttle bus driver, who is a reformed alcoholic, was recently arrested on a driving under the influence charge. He is your most reliable employee; however, you are concerned with the safety of your employees and customers. Questions: 1. What is the ethical dilemma?2. Name all the primary and secondary stakeholdersPrimary:Secondary:3. What would an individual that believed the following ethical foundations recommend that you should do (not a definition)? In other words, put yourself in the place of that philosophy to determine your recommendations. Cultural relativism:Subjectivism:Religion:4. Which response, if any comes closest to your thinking? Explain why or why not?5. Response QuestionShould a companys concern for the safety of its employees and customers override the medical needs of a single employee? Explain why or why not? Choose the correct simplification of (7x^3 4x - 8) + (2x^3 + 3x + 2). Mayra bought x grams of rice.Anika bought 5more than Mayra bought.Select ALL of the equations that represent the relationshipbetween the amount of rice that Mayra bought, x, and theamount of rice that Anika bought, y.(Select all that apply) list 5 disorders that affect female reproductive system an discuss them explain ways in which environmental factors contribute to evolution by natural selection?pls help i have a test tomorrow please help me answer this who was the fighter for justice Why does soil lose its fertility from time to time? Please help me with this question Find the distance, c, between (3, 4) and (1, 5) on the coordinate plane. Round to the nearest tenth if necessary. please help me with this!!! Graph the equation with work y=-3 Tyra's family is spending the afternoon in Millersville. They plan to see a movie and then explore the town. The movie will cost the family $36, and parking costs $4 per hour.How long will the family be able to spend in Millersville if they want to spend less than $60 and they dont have any other expenses? Your checking account is overdrawn by $5. You go to Target and make a purchase of $12 with the same checking account. What integer represents the balance in your account? Answer choices $ 17$ -17$ 7$ -7 Explain why the Kapp Putsch happened in 1920.