Match the bacterial genetic element with the correct characteristic
a. chromosome-- nonessential genes
b.plasmid-- linear, single-stranded DNA
c.chromosome-- linear, double stranded DNA
d.plasmid--nonessential genes

Answers

Answer 1

Small, circular, double-stranded DNA molecules  called plasmids exist separately from a cell's chromosomal DNA. It contains non-essential genes.

Extrachromosomal DNA molecules are known as plasmids. They are compact, spherical, and capable of independent reproduction. Chromosome DNA is not in charge of plasmid replication. Most often, they are found in bacteria. Yeast and plants are examples of eukaryotes that contain plasmids. Plasmids are not necessary and are extrachromosomal. They are helpful but may not be found in every member of the species. The same plasmid can exist in various species and be passed from one to the next because it is not a component of the genome. Each daughter cell has a copy of the plasmid since plasmids have their own origin of replication (ORI) and proliferate with the cell.

Hence, plasmid of bacteria is extrachromosomal DNA with non essential gene.

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Related Questions

Can someone help me use speciation in a sentence

Answers

Answer:

A new ecosystem can lead to specitation.

-Xax

2. What is the evidence that 4- legged animals came from fish?

Answers

Answer:

catfish

Explanation:

dnebduenvfwehejjdj

31. Which sequence shows increasing ecological
levels of organization?
A. organism, population, community, ecosystem
B. ecosystem, population, organism, community
C. community, ecosystem, population, organism
D. population, organism, ecosystem, community

Answers

Hello there, kawissaehsshen!!!

The answer here would be A.  The organism is a singular thing, so it should be first. The population comes next - it is all the same type of organism living in one ecosystem. Next is community - this is all the living organisms in the area. Lastly, there is the ecosystem - the organisms, their habitats, and everything else.

I really hope this helps you!!

write two examples of consumers tell whether they are herbivores omnivores carnivors or scavengers

Answers

Answers

Lion,Tiger -Carnivores

vulture- scavenger

Cow,sheep -Herbivores

Man, Pig -Omnivores

A panda (herbivore) eats bamboo shoots and leaves, while a lion (carnivore) preys on other animals.A bear (omnivore) eats both plants and animals, while a vulture (scavenger) feeds on the remains of dead animals.What are consumers?

In an ecosystem, consumers are organisms that obtain their energy and nutrients by feeding on other organisms. They are a vital part of the food chain, and they come in different sizes and types.

Consumers can be classified into several categories based on what they eat. For example:

Herbivores: These are animals that consume only plants for their food. Examples include rabbits, cows, and giraffes.

Carnivores: These are animals that consume other animals for their food. Examples include lions, tigers, and sharks.

Omnivores: These are animals that eat both plants and animals. Examples include humans, bears, and raccoons.

Scavengers: These are animals that feed on the remains of dead organisms. Examples include vultures, hyenas, and some types of beetles.

Consumers play an important role in an ecosystem, as they help to transfer energy and nutrients from one level of the food chain to another. They are an integral part of maintaining the balance and stability of an ecosystem.

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what is Spermatogenesis ?

Answers

Is the process by which haploid spermatozoa develop from germ cells in the seminiferous tubules of a testis

Which organism is a secondary consumer?
a. Bear
b. Weasel
c. Deer
d. Rabbit
e. Grass

Answers

Answer:

I think weasel.

Hope it helps! :)

Explanation:

Answer:A.) Bear
Explanation:They eat other animals

Rocks are made of collections of mineral grains that are held together in a firm, solid mass. Rocks are identified primarily by the minerals they contain, their color, and their texture.

Based on this passage, you can infer...

A. Rocks are classified into three major groups
B. Rocks form from the cooling and hardening of molten rock
C. A rock's origin is the way it was formed
D. Each type of rock has a distinctive set of minerals

OMG PLSSS HELP ME PLS PLS PLS!!!!!!!

Answers

Answer:

Explanation: it’s a

Fill in the blank below with the vocabulary word that best completes the sentence.
Natural selection leads to
a process of change in a population over time.
DO NE

Answers

Answer:

natural growth

Explanation:

because all thing's which are natural are natural resources.

Answer:

Fill in the blank below with the word that best completes the sentence.

Natural selection leads to Evolution, a process of change in a population over time.

after

Complete the sentence below by selecting the correct words from the drop-down menus.

Factors that affect natural selection include

✔ variation

,

✔ overpopulation

, and

✔ adaptation

.

Explanation:

PLEASE HELP!! cant fail this

Answers

Answer:

They used to occupy the same land and no longer interbreed.

Explanation:

The diagram shows that the canyon used to be one. Once it was split, the organisms got separated and adapted to live on their own side of the canyon

which of the following is a matter

Answers

Answer:

gas, liquid and solid

Explanation:

hi

Matters are Liquids,Solids,Gasses:)))

Phytoplankton are microscopic organisms that perform photosynthesis in oceans. When urban pollution runoff makes it to the oceans, it poses a threat to humans by killing numerous phytoplankton. How does reducing the number of phytoplankton most directly affect humans? O E. The atmosphere will contain more oxygen, resulting in warmer global temperatures. G. The atmosphere will contain more carbon dioxide, resulting in cooler global temperatures. H. The atmosphere will contain more oxygen, resulting in cooler global temperatures. O J. The atmosphere will contain more carbon dioxide, resulting in warmer global temperatures. WILL MARK BRAINLEST IF CORRECT!!!​

Answers

Answer:

The atmosphere will contain more oxygen, resulting in warmer global temperatures.

Explanation:

I did this on my test

The reduction of the number of phytoplankton that impact the human should be that atmosphere will contain more oxygen, leads in warmer global temperatures.

What is phytoplankton?

It is also called as the microalgae that should be same like the terrestrial plants which comprise of the chlorophyll and it needs the sunlight for living and growth.

It is to be considered as the buoyant and float in the upper part of the ocean where the sunlight should be penetrates with the water

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Which best helps scientists determine the age of fossil

Answers

Explanation:

To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.

The method that best helps scientists determine the age of fossils is radiometric dating. This method is highly accurate and reliable, providing precise numerical ages for fossils.

Radiometric dating is a technique that uses the decay of radioactive isotopes to calculate the absolute age of rocks, minerals, and fossils. Different isotopes have specific half-lives, which is the time it takes for half of the radioactive parent isotopes to decay into stable daughter isotopes.

By measuring the ratio of parent isotopes to daughter isotopes in a fossil or rock sample, scientists can determine how many half-lives have passed and calculate the age of the specimen.

This method is highly accurate and reliable, providing precise numerical ages for fossils and other geological materials, and helping scientists understand the timeline of Earth's history and the evolution of life on our planet.

Therefore, The method that best helps scientists determine the age of fossils is radiometric dating.

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GIVING BRAINLIEST AND THE REST OF MY POINTS!!!!!!!

How does the location of the heart, lungs, and brain differ in the human body?

A) The brain and heart are located in the head while the lungs are located in the chest.
B) The brain is located in the head while the heart and lungs are located in the chest.
C) The heart is located in the head while the brain and lungs are located in the chest.
D) The lungs are located in the head while the heart and brain are located in the chest.

Answers

Answer:

B

Explanation:

The heart and lungs are in the chest, while the brain is located at the head.

Answer:

B

Explanation:

I got it right on my test

During photosynthesis in plants, what is the source of the carbon in the glucose sugar molecule
(C6H12O6)?

Carbon dioxide in the air
Carbon monoxide in the air
Carbon particles in the soil
Carbon particles in water

Answers

Answer:

Carbon in the air

Explanation:

pls answer ill give brainlyist (ik i spelt it wrong)

Scientists have recorded increasing ocean temperatures. Which of the following is not a consequence of these increasing global temperatures?

altered species interactions



lower salinity in ocean water



shifts in the range of habitat for organisms



changes in the seasonal abundance of populations

Answers

Answer:

Lower Salinity in the ocean water.

Explanation:

The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures. Increasing ocean temperatures affect marine species and ecosystems. Rising temperatures cause coral bleaching and the loss of breeding grounds for marine fishes and mammals.

Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these "salinity raising" factors are continually counterbalanced by the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice.

As temperature increases, the space between water molecules increases—also known as density, which therefore decreases. ... Salinity and density share a positive relationship. As density increases, the amount of salts in the water—also known as salinity, increases

A balanced polymorphism exists through disruptive selection in ground finches from the Galapagos in which small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming soft, what type of selection would then operate on the finch population?

Answers

Answer:

The correct answer is - directional selection.

Explanation:

In a population, if a particular phenotype is favored among all others in every individual by continuously shifting the allele frequency towards one direction only, this type of selection called directional selection. It is a mode of natural selection.

In this case, the finch population will change towards the directional selection due to the food source become similar for both small and large-billed due to climatic change in the long term all seeds become soft so the small billed will be more favored.

Answer:

The correct answer is directional selection.

Explanation:

We run, play, work, study. We need energy to do all of this. In fact, one characteristic of living things is that they need and use energy. Two processes are needed in us humans to break down food to release the energy that is stored in our food. They are ____________ and cellular respiration.
A) circulation
B) digestion
C) excretion
D) photosynthesis

Answers

I think digestion would be the answer here. Humans can't do photosynthesis. Excretion is how we expel waste. And circulation is how oxygen gets to our cells.

Does this help?

If sperm contains both x and y chromosomes then who decides the gender. Whether egg chooses which sperm( a sperm carrying x or y chromosomes) has to be fertilized.

Answers

Answer:

Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome.

Explanation:

This arrangement means that it is the male that determines the sex of the offspring when fertilizationocc

suggest why an MRSA infection may have to be treated with many different antibiotics

Answers

Answer:

A trio of antibiotics that had become powerless against MRSA decades ago proved effective in infected mice when used together.

Although more testing is needed, the results suggest that combinations of already-approved antibiotics might add to our options to combat MRSA infections.

Explanation:

Are scallops decomposers?

Answers

Answer:

Yes they are.

Explanation:

also reminder to be happy drink water u are loved :). <3

Help me with this plz ASAP

Answers

Answer:

I think letter D

Explanation:

Sana maka tulong

Answer:

D) Paramecium

Explanation:

sorry if my answer is wrong

Which cities are experiencing clear weather? Which are experiencing rainy weather?
(Help me with questions 3 and 4 in the attachment please :( )

Answers

Answer:

3.) San Fransico and Denver because they are far away from the rain

4.) Dallas because it is right next to the high pressure

What signals the end of
the cell cycle?
A. cell death
B. Cancer
C. Cell division

Answers

A, because after cell death there starts a new life for cells

Which of the following is not a tectonic boundary
A) convergent
B) divergent
C)transform
D) sedergent

Answers

Answer:

transform

Explanation:

trust me

what are the Seven parts of the water system

Answers

1: Evaporation

2: Condensation

3: Sublimation

4: Precipitation

5: Transpiration

6: Runoff

7: Infiltration

The process of one ecological community gradually changing into another is called:
community development
ecological succession
O community succession
O ecological development

Answers

Answer:

ecological succession

please help!!!!!!!!!!!!!!!!!!

Answers

Answer:

The clownfish and anemone won't be able to survive in the wild without each other.  The clownfish provides the anemone with nutrients and scares off potential predator fish.  The anemone provides the clownfish with protection and shelter.

Explanation:

The clownfish won’t be able to survive

The diagram shows a cladogram.
Which statement is supported by the cladogram?
A. The tuna does not have a
jaws.
B. The leopard does not walk on four legs.
C. The lamprey does not have vertebral column.
D. The salamander does not produce an amniotic egg.

Answers

Answer: C

Explanation:


Why would a Nonsense mutation be less damaging if it occurred at the end of the gene rather than the
beginning?

Answers

Nonsense mutations make stop codons. If the mutation is towards the beginning of a gene, then the protein that gets created will be cut short and not function properly. But if it was towards the end, there is still a chance that the protein will still be able to work.

Someone please answer i’ll give you brainliest.

Answers

Answer:

You can go with first option

Explanation:

First option contains mitochondria, vacuole, nucleus, cell membrane, cytoplasm

These elements contained by both cells animals and plants

But in other option cell wall is also in the options

So, but it is contained by plant cells only so they are not correct

THANK YOU

If you are helped with my answer pls tag me brianliest I really want it.......

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Taxable income and pretax financial income would be identical for Skysong Co. except for its treatments of gross profit on installment sales and estimated costs of warranties. The following income computations have been prepared. Taxable income 2019 2020 2021 Excess of revenues over expenses (excluding two temporary differences) $154,000 $191,000 $88,100 Installment gross profit collected 8,500 8,500 8,500 Expenditures for warranties (4,500) (4,500) (4,500) Taxable income $158,000 $195,000 $92,100 Pretax financial income 2019 2020 2021 Excess of revenues over expenses (excluding two temporary differences) $154,000 $191,000 $88,100 Installment gross profit recognized 25,500 -0- -0- Estimated cost of warranties (13,500) -0- -0- Income before taxes $166,000 $191,000 $88,100 The tax rates in effect are 2019, 40%; 2020 and 2021, 45%. All tax rates were enacted into law on January 1, 2019. No deferred income taxes existed at the beginning of 2019. 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