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13. What molecular cloning tool do bacteria naturally produce to defend against viral infections?
O A. DNA ligase
O B. Restriction enzymes
O C. Antibiotics
O D. PCR
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Si
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о

Answers

Answer 1

Answer:

O B. Restriction enzymes

Explanation:

Restriction enzymes has the ability to recognize specific DNA sequences and cut them in a specific manner in order to produced by the bacteria as a defense mechanism against foreign DNA containing substance such as viruses etc. This restriction enzyme is also called restriction endonucleases. This is a cloning tool that bacteria produced naturally in order to defend itself from the infection of virus.


Related Questions

PLEASEE helpppppppppp

Answers

Answer:

Northern Highlands

Explanation:

Answer:

Northern highlands is the correct answer

pls mark me brainliest

Which environmental change occurs most rapidly?

Answers

"The environmental change that occurs faster is definitely volcanic eruption. It may happen in an instant and destroy everything in its way, whereas the process of regrowth of forest after volcanic eruption is a slow one."

Link: https://brainly.com/question/8822127?exp=25-1

Answer:

tornado

Explanation:

just finished the test

Describe how the movement of water landforms form

Answers

Answer:

The moving of water causes erosion, deposition and much more!

Explanation:

Water moving across the earth in streams and rivers pushes along soil and breaks down pieces of rock in a process called erosion. The moving water carries away rock and soil from some areas and deposits them in other areas, creating new landforms or changing the course of a stream or river.

Please Help!
Who would be best qualified to consult on a case requiring forensic entomology?

A. A person with a Master's Degree in Entomology and less than a year's experience in Forensic Entomology.

B. A person with a Doctor's Degree and Membership in a Professional Society of Forensic Entomology.

C. A person with a Bachelor's in Entomology, but no experience in Forensic Entomology.

D. A person with a Doctorial Degree in Entomology and a Certificate in Forensic Entomology.

Answers

D. A person with a Doctoral Degree in Entomology and a Certificate in Forensic Entomology.

They will know the most about forensic entomology compared to the rest of the options.

A person with a Doctorial Degree in Entomology and a Certificate in Forensic Entomology. Hence option D is correct.

What is Entomology ?

Entomology is defined as the investigation of insects and how they interact with people, the environment, and other living things. Entomology is employed extensively in a wide range of fields, including evolutionary biology and medical research, in addition to studying the anatomy and physiology of insects. It aids agricultural entomologists in their research on biodiversity as well as in the protection of priceless resources from insect pests.

Forensic entomology is defined as the study of arthropods, particularly insects, connected to criminal activity and other judicial issues. An essential tool in the examination of homicide, self harm, and other violent crimes is forensic entomology. When properly gathered and examined by skilled forensic investigators, insect evidence found on a victim's corpse can provide important information.

Thus, a person with a Doctorial Degree in Entomology and a Certificate in Forensic Entomology. Hence option D is correct.

To learn more about Entomology, refer to the link below:

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(iv) Measles. Mumps, Diphtheria Polio odd one​

Answers

Answer: The odd one one is diphtheria

Explanation:

There are very minute living organisms that are able to cause different diseases to human which are found in our environment. These are known are microorganisms. They include:

--> viruses

--> bacteria

--> fungi

These microorganisms are able to establish an INFECTION in its human host when it's able fight and overcome the body defence mechanism of the host.

Diphtheria is the odd one because it's an infection which is caused by BACTERIA organism while other options while includes measles, mumps and polio are caused by VIRUS microorganisms.

BACTERIA are the larger microorganisms with a very simple cell structure where the nucleus is not enclosed within a membrane. While VIRUS are the simplest and smallest microorganisms which do not have a cell structure.

Diphtheria is an infection caused by the bacteria microorganism known as the Corynebacterium diphtheriae. These bacteria are able to produce toxins which is its virulent factor that are poisonous to its host.

Measles is an infection caused by paramyxovirus.

Mumps is an infection caused by mumps virus

Polio is an infection caused by picornavirus.

Therefore, Diphtheria infection is the odd one out.

Plsss help me this due is tonight plsss

Answers

Explanation:

whatever the trait is, I'm just going to use tall as an example

1. phenotype=

Tall: Short

4:0

2.phenotype=

Tall: Short

4:0

3.phenotype=

Tall: Short

4:0

4.phenotype=

Tall: Short

3:1

5.phenotype=

Tall: Short

2:2

Sally, 9-year-old girl, just did an awesome backflip on her trampoline. Instead of landing in a similarly awesome manner, she miscalculated and landed on her neck. Sally stood up with pain in her neck and does not appear to be able to extend her left arm very well. An x-ray shows a fracture of her C6 vertebrae that is compressing down on her C7 vertebrae impacting the spinal nerve located between C6 and C7 vertebrae. Which spinal nerve did Sally likely injure

Answers

Answer:

The C7 spinal nerve

Explanation:

The C7 spinal nerve exits on each side through the intervertebral foramen between the C6 and C7 vertebrae. The C7 spinal nerve has both a sensory root which is composed of sensory fibers and a motor root. This nerve is required to control motor functions including shoulder movement (i.e., adduction, abduction and rotation). The C7 dermatome is a region of skin that receives sensory inputs from the C7 spinal nerve.

5. True or false: One gene always codes for one trait.
o True
O False

Answers

Answer:

The asnwer is false

Explanation:

I think it’s false.

URGENT HELP WILL GIVE BRAINLIEST!​

Answers

Answer:

tall pea plants and short pea plants

Explanation:

well there are two generic genes

one will take one and the other

A fruit fly has a recessive allele for no eyes (e). Two heterozygous fruit flies with eyes are crossed. What is the total number of different genotypes possible among their offspring?
A. 1
B.3
C.4

Answers

Answer:

C

Explanation:

What observation supports the claim that earth rotates

Answers

Answer:

The most direct observational evidence for Earth's orbital motion is the apparent shift of nearby stars after six months, as the Earth moves from one side of its orbit to the other. Because of the large distance to even the nearest start, this parallax shift is too small to been seen without a telescope.

Answer:

The most direct observational evidence for Earth's orbital motion is the apparent shift of nearby stars after six months, as the Earth moves from one side of its orbit to the other. Because of the large distance to even the nearest start, this parallax shift is too small to been seen without a telescope.

Explanation:

Hope this helped! <3

True or false? A purebred plant has a heterozygous genotype.
Please help

Answers

Answer:

false. :D

Explanation:

It is h o m o zygous (apparently that is a bad word haha )

Food webs in ecosystems become very complicated very fast. Explain why.

Answers

Answer:

Food webs are more complex than food chains, yet equally as useful in understanding the processes of ecological communities.  A food web shows the flow of nutrients between different types of organisms which can help us understand the energy transfer as described before.

Explanation:

Food webs in an ecosystem involves the combination of two or more food

chains. This involves all the relationship an organism has with the others.

This makes the food web complex.

Food webs have different types of organisms present which ranges from

plants which are regarded as the primary producers to animals such as Lion

which can be regarded as a Secondary/tertiary consumer in the ecosystem.

The occasional change in the geography and seasons in the ecosystem

also makes it very complex as some animals exhibit different traits when

subjected to certain conditions. This makes analysis of energy flow and relationship sketchy to determine.

Read more on https://brainly.com/question/22011808

define carbonization​

Answers

Answer:

It is the conversion of organic matters such as plants and animals remains into carbon through destructive distillation.

Answer:

carbonization is the term for the conversion of an organic substance into carbon or a carbon- containing residue through phrolysis or distructive distillation.

Explanation:

It can be carbonized extremely quickly, turning it into solid carbon


12. Identify the stage of mitosis shown here. Describe
the events that occur in this stage.
Spindle


JUST QUESTION 12 please

Answers

Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase. Some textbooks list five, breaking prophase into an early phase (called prophase) and a late phase (called prometaphase). ... Cytokinesis typically overlaps with anaphase and/or telophase.

The chromatids are arranged at the center, with a joined spindle at the metaphase of mitosis.

Mitosis is the type of cell division in which the parent cell divides into two daughter cells.

What are the phases of Mitosis?

The mitosis is divided into four phases, namely,

ProphaseMetaphaseAnaphaseTelophase

The arrangement of the duplicated chromatids at the center plate with the binding with spindle fiber is represented in the metaphase of the mitosis cycle.

Learn more about mitosis, here:

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Which of the following
are
Phylogenetic trees also know as ?
O Cladogram
O Clade
O Node
O Linnaean

Answers

The phylogenetic trees are also known as CLADOGRAMS.

A phylogenetic tree is a diagram that shows evolutionary relationships between different species/taxa from a common ancestor to its descendants.

A cladogram is a graphic representation that exhibits hypothetical phylogenetic relationships between groups of organisms/species/taxa.

In a cladogram, groups of organisms/species/taxa are organized into clades, which share different traits.

In a cladogram, a node denotes the common ancestor of a given clade.

The Linnaean system of classification consists of grouping organisms/species according to their physical similarities, thereby it is not an evolutionary system of classification.

In conclusion, phylogenetic trees are also known as CLADOGRAMS.

Learn more in:

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Answer:

Cladogram is correct on egde2023

Explanation:

The picture below shows the nervous system sending electrical signals that stimulate the release of molecules.

molecules.
This picture best illustrates how —

mechanical energy in the body can be transformed into light energy.
chemical energy in the body can be transformed into potential energy.
chemical energy in the body can be transferred to light energy.
electrical energy in the body can be transformed into chemical energy.

Answers

Answer:

electric to chemical

Explanation:

sorry for being rude the other day. that is the real answer im learning about it now

plesss help me I'm in die mode right now ples helpp​

Answers

Answer:

The last one- both yeast show increasing growth at increasing temperature of 25 or less

Explanation:

The other 3 arent true from what the graph shows. and after 25 they grow/fall at differnet rates.

sam enjoys looking at the stars through his telescope he learns that start were originally clouds made of dust and gasses which statement best describes how these clouse eventually become stars

A. The clouds eventually collapse the force of gravity

B. The clouds increase in temperature until they eventually form a solid

C. The clouds contain particles that are magnetically attracted to each other

D. The clouds begin to cool and fort from masses of ice that eventually fuse together

Answers

Answer: A

Explanation:

The statement which best describes how the clouds eventually become stars is that— “The clouds eventually collapse under the force of gravity”. Hence, the correct option is A.

What are stars?

Star are huge celestial bodies that are formed by the vast clouds that exist in interstellar space. These clouds are mainly composed of hydrogen and helium gas as well as small amounts of heavier elements such as carbon, nitrogen, and oxygen.

Overtime, the clouds begin to collapse under their own gravity and as they do, they become denser and more compact. As the cloud collapses, it begins to spin and then flattens into a disc-like shape. This disc becomes the birthplace of new stars.

The process of star formation is not simple and straight forward. Hence, the first step of formation of stars is the cloud collapses under its own force of gravity. Therefore, option A correct.

For more details regarding stars, visit:

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PLEASE HELP !! ILL GIVE BRAINLIEST *EXTRA 40 POINTS* DONT SKIP :(( .!

Answers

The answer is C. Good luck

Answer:

radioactive dating

Explanation:

It's the same thing as radiometric dating

The cell membrane is ----------in nature
a. Highly permeable b. normally permeable c. not permeable d. partially permeable

Answers

Answer:

d. partially permeable

Explanation:

The cell membrane is the cellular organelle that covers and bounds all cells. It forms a boundary around a cell, protecting all other organelles. The cell membrane, according to the FLUID MOSAIC MODEL, contains phospholipid bilayer, proteins etc.

The phospholipid (lipid) content of the cell membrane confers its ability to be SELECTIVELY OR PARTIALLY PERMEABLE upon it. It is said to be partially permeable because it allows the passage of some molecules/substances and blocks the passage of others.

Ileana crossbreeds two purebred plants, one with dark blue flowers and one
with white flowers. Weeks later, she discovers that all of the offspring have
dark blue flowers. Ileana determines the

A. white flower allele is dominant
B. white flower allele is not inherited
C. dark blue allele is recessive
D. dark blue allele is dominant

Answers

Answer:

D

Explanation: it is dominant because the plants didnt show and white

A solution is modified in doing so the pH changes from 8 to 4. This will make the actual Concentration of hydrogen ions Change by a factor of?

A.1000
B.100
C.10000
D.4
E.10

Answers

b is the correct answer in this situation in


What did the plastic wrap represent in this model?

Answers

Hey, you didn’t attach a image.

discuss the characteristics of phylum mollusca​

Answers

Answer:

The body is soft and unsegmented. Body is divisible into three regions – head, a visceral mass, and ventral foot. Body is covered by a mantle and shell. They can be found in different habitats, both aquatic and terrestrial.

A plant breeder is trying to increase the medicinal quality of belladonna (Atropa belladonna), which is derived from atropine, an alkaloid in the roots. Her previous research indicates that about 55% of atropine variation is due either to environmental factors (e.g., soil conditions or rainfall), or to genetic dominance and genetic interactions. If the average plant has 10 units of atropine and our breeder selects for plants with an average of 50 units of atropine, what will be the average amount of atropine in the new population

Answers

Answer:

The average amount of atropine in the new population will be 32 units of atropine.

Explanation:

To answer this question, we need to remember how can we calculate the selection differential and the heritability in the narrow sense.

• We can get the selection differential, SD, by getting the difference between the mean value of the population´s units of atropine, PoUA, and the mean value of the parents´ units of atropine, PaUA. So, in this example the selection differential is:

SD = PoUA - PaUA    

SD = 10 - 50  

SD = - 40    

• The heritability in the narrow sense, h², for units of atropine in the population is

h² = units of atropine of the offspring average/selection differential

But we already know the value of h² = 55% = 0.55. And we want to know the units of atropine of the offspring. So we just need to clear the following equation.

OUA = PoUA + h² ( PaUA - PoUA)

where,  

• offspring average units of atropine = OUA

• population average units of atropine = PoUA = 10 units

• parents average units of atropine = PaUA = 50 units

• Selection diferential = SD = -40 units

• narrow sense heritability = h² = 0.55

OUA = PoUA + h² ( PaUA - PoUA)

OUA = PoUA + h² (SD)

OUA = 10 + 0.55 x ( 50 - 10)

OUA = 10 + 22

OUA = 32 units.  

Plastics are made from oil/petroleum and have both benefits for society and harmful effects on the environment
True
False

Answers

Answer: It is True I just took the test

Explanation:

what is the function of a membrane protein ​

Answers

Answer:

Membrane proteins can allow hydrophilic molecules to pass through the cell membrane.

Explanation:

Answer:

Explanation:

Membrane proteins are common proteins that are part of, or interact with, biological membranes. Membrane proteins fall into several broad categories depending on their location. Integral membrane proteins are a permanent part of a cell membrane and can either penetrate the membrane (transmembrane) or associate with one or the other side of a membrane (integral monotopic). Peripheral membrane proteins are transiently associated with the cell membrane.

What sphere refers to water and ice?
a. atmosphere
b. hydrosphere
c. lithosphere
d. biosphere

Earth's outermost sphere is called the
a. biosphere.
b. atmosphere.
c. lithosphere.
d. hydrosphere.

What part of Earth contains rocks?
a. Biosphere
b. Hydrosphere
c. Atmosphere
d. Lithosphere

What of Earth's spheres is composed of a mixture of gases?
a. mesosphere
b. hydrosphere
c. atmosphere
d. biosphere

What is Earth's hydrosphere?
a. the gases in the air
b. the solid, rocky part of Earth
c. all of the water on the planet
d. the study of Earth's atmosphere​

Answers

1) It should be the crysophere but since it is not I am not sure I am going to with hydrosphere
2)B
3)D
4)C
5)C

how would planting more biodiversity be better for ecosystems? and how would it be better for farmers?

Answers

answer:

biodiversity provides functioning ecosystems that supply oxygen, clean air, and water, pollination of plants, pest control, wastewater treatment, and many ecosystem services. seeing as how biodiversity is the basis of agriculture and our food systems. agricultural biodiversity also performs ecosystem services such as soil and water conservation, maintenance of soil fertility, conservation of biota, and pollination of plants, all of which are essential for food production and for human survival.

good luck :)

hopefully this helps

sorry i couldn't help sooner

have a great day !!

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