Why can’t most pathogens infect your skin?
A. skin is too thick
B. skin has antigens
C. skin has immunity
D. skin has layers of dead cells

Answers

Answer 1
The answer should be D because the skin. Has layers correct but there really thick and it makes bacteria and infections hard to pass through but at the same time we have already dead skin cells on us that either block out or destroy others layers that can’t infect the skin

Related Questions

which type of mountain forms because of an oceanic plate and a continental plate colliding?
a. Aleutian
b. Continental-continental
c. Fault-block
d. Andean

Answers

Answer:

D.) Andean

Explanation:

Andean is the kind of mountain formed due to an oceanic plate and continental plate colliding.

Answer:

your answer to this question is Andean letter D

Explanation:

Which is the smallest unit of life?
A. Atoms

B. Organelles

C. Organism

D. Cells

Answers

Answer:

D, cells.

Explanation:

D. Cells. Hoped this helped

This term means that the tissue has a large blood supply flowing through it
A . basal
B. hypoxic
C. connective
D. vascular ​

Answers

Answer:

c. connective tissue

Explanation:

The largest blood vessels are arteries and veins, which have a thick, tough wall of connective tissue and and many layers of smooth muscle cells

Due to
certain traits do not demonstrate independent
assortment.
a Linkage
b Crossing-over
C Mutation
d None of the above
Check

Answers

Answer: linkage

Explanation: cK-12 says it’s right :)

which of carbs, fats ,minerals, proteins, vitamins, water are organic and which are inorganic

Answers

Whereas vitamins are organic substances (made by plants or animals), minerals are inorganic elements that come from the soil and water and are absorbed by plants or eaten by animals.

how do i stop a flood or prevent one from happening like an invention​

Answers

Measures might include using small barriers in ditches and fields, or notches cut into embankments, to divert the water into open land. Letting pools form outside the main channel of a river means the water is temporarily removed from the main flow - reducing the power of the floodwaters

Please help ASAP!!!!!!

Answers

Answer:

A.....................

Answer:

D

Explanation:

SS and Ss wouldn't make any floppy ears


7. Name TWO reasons why photosynthesis is an important process.
.
*​

Answers

Answer:

1. It creates oxygen for humans and animals to breath.

2. It creates food for humans and animals.

Have a good day! or not...its up to you- <3

• It is the number one source of oxygen in the atmosphere.


• It contributes to the carbon cycle between the earth, the oceans, plants and animals.


I hope it helps
Stay home stay safe !!

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Put the following processes of protein synthesis in the correct order.


1.DNA strands unwind and separate


2.mRNA copies DNA according to complimentary base pairing.


3.mRNA leaves the nucleus


4.tRNA's anticodons bring amino acids to the corresponding mRNA codons


5.amino acids bind to each other making a protein


6.a stop codon is reached, the newly formed protein is released to go do its job for the cell

Answers

Answer:

1. DNA strands unwind and separate 2.mRNA leaves the nucleus 3.mRNA copies DNA according to complimentary base paring .4 tRNA anticodons bring amino acids to the corresponding mRNA codons. 5 amino acids bind to each other making a protein 6. a stop codon is reached, the newly formed protein is released to go do its job for the cell

A mother who has type A blood and father with type B blood have a child with type blood. They believe that the hospital has made a mistake and given them the wrong baby.

Answers

Answer:

So

Explanation:

What is the question here

What will be the mRNA sequence transcribed from a TTAAACGGCCTA template?

Answers

Answer:

AAU UUG CCG GAU

Explanation:

T--> A

A-->U

C-->G

G-->C

The mRNA sequence transcribed from a TTAAACGGCCTA template AAU UUG CCG GAU.

What is mRNA sequence?

The method of choice for evaluating the transcriptomes of disease states, biological processes, and across a wide range of study designs has quickly emerged as mRNA sequencing (mRNA-Seq).

mRNA-Seq can detect both known and novel transcript isoforms, gene fusions, and other properties in addition to being a very sensitive and accurate method of assessing gene expression.

A comprehensive view of the coding transcriptome that is unrestricted by the prior knowledge filter is provided by mRNA-Seq.

Therefore, The mRNA sequence transcribed from a TTAAACGGCCTA template AAU UUG CCG GAU.

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what is the difference between natural selection and artifical selection

Answers

The difference is that natural selection happens naturally, but artificial selection is selective and only happens when two humans intervene

how does the Digestive system help maintain homeostasis?

In your answer, include the most important organ(s) (list at least 2) and include what they do to make the system work. It must include at least 3 full sentences

Answers

Answer:

The bacterial flora in the intestines are essential to homeostasis in the body, they not only break down food so the nutrients can be absorbed, they produce vitamins like biotin and vitamin K and guard against harmful bacteria that enter the system. While your heart is a vital organ, the brain (and the nervous system that attaches to the brain) make up the most critical organ system in the human body. The digestive system ordinarily gets 20% to 25% of the oxygenated blood pumped out by the heart and the receptors in muscles provide the brain with information about body position and movement, the brain controls the contraction of skeletal muscle the nervous system regulates the speed at which food moves through the digestive tract.

what is the genotype of blood group B

Answers

Answer:

genotype of bg B can be two

1st is Ibi

2nd is IbIb

You've just returned to school from spring break and all of the plants around your classroom are wilted and looking bad. What do you think happened ? Use your knowledge of plant cells to explain . Can they recover ?

Answers

Answer:

Nobody was there to water them so they all died. No I do not think they could be revived or recover.

Explanation:

none needed

Please help me fr !!

Answers

Answer B, cause there is no BB there is only 2Bb and there is only 2bb

1- carotenoid is a pigment that can be found in Chrysophytes
true
false
2- Diatoms are multicellular
true
false

Answers

Answer: 1. true

2. false

Explanation:

1. Chrysophytes can be defined as the algae that can be found in the lakes. They have photosynthetic pigments carotenoids which impart golden yellow color to these algae. They are unicellular and also have flagellum that help them in movement in water.

2. Diatoms are unicellular algae. They appear as single individual cells or may appear in colonies with other cells. They can take up any shape based on their alignment pattern. Each cell is surrounded by cell wall that is composed of silica called as frustule. They can be found in fresh or marine water.

Can a male be a carrier for colorblindness?

Answers

Explanation:

yes

X chromosome from his mother

The GO phase is for cells that do not
replicate themselves. What phase does
the GO phase replace?

A G2 phase
B. prophase
C G1
D. metaphase
E. s
F. anaphase

Answers

G0 is the phase is a branch off G1 when cells leave the the cell cycle. An example would be neurons that enter G0 after brain development in the nervous system finishes developing.

The phase that is replaced by GO is : ( C ) G1 phase

Description of the GO Phase

The G0 phase can be seen as an extended G1 phase because the GO phase is a phase where the cells do not divide or replicate itself, The GO phase is also known as a distinct quiescent stage.

An example of the GO phase is neurons that enter G0 after the brain development occurring in the nervous system must have finished its development.

Hence we can conclude that The phase that is replaced by GO is G1 phase

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what is the chemical equation of photosynthesis​

Answers

Answer:

The balanced chemical equation for photosynthesis is as follows: 6 CO2 + 6 H2O → C6H12O6 + 6 O2

Explanation:

Part A - Processes that contribute to genetic variation Meiosis guarantees that in a sexual life cycle, offspring will inherit one complete set of chromosomes (and their associated genes and traits) from each parent. The transmission of traits from parents to offspring is called heredity. Another important aspect of meiosis and the sexual life cycle is the role these processes play in contributing to genetic variation. Although offspring often resemble their parents, they are genetically different from both of their parents and from one another. The degree of variation may be tremendous. Which processes lead to genetic variation in sexually reproducing organisms

Answers

Answer:

independent assortment, crossing over and random fertilization

Explanation:

There are three mechanisms by which sexual reproduction increases genetic variation in progeny. First, random fertilization is the process by which gametes randomly combine in order to increase the possibilities for genetic variation. Second, the independent assortment refers to the process by which pairs of homologous chromosomes independently separate from one another during meiosis. Finally, crossing over, also known as recombination, is the process by which two homologous chromosomes' non-sister chromatids can exchange genetic material during meiosis I (prophase I).

ANSWER AND I WILL GIVE BRAINLIEST AND POINTS!

Answers

Answer:

A DNA marker

Explanation:

also known as a size standard or a DNA ladder) is loaded into the first well of the gel. The fragments in the marker are of a known length so can be used to help approximate the size of the fragments in the samples.

what caused a decrease of carbon dioxide in the biodomes air

Answers

Answer:

As organisms release energy during cellular respiration, carbon dioxide is produced from the carbon in energy storage molecules. ... Carbon dioxide in the biodome decreased because decomposers decreased which means there was a decrease in cellular respiration overall.

There are several possible reasons why the carbon dioxide levels in the air of a biodome might decrease like photosynthesis, respiration, ventilation and carbon sequestration.

What are the factors responsible for decrease of carbon dioxide in the biodomes air?

There are several possible reasons why the carbon dioxide levels in the air of a biodome might decrease. Some possible causes include:

Photosynthesis: If the biodome contains plants, they may be using carbon dioxide during photosynthesis to produce oxygen and glucose. This process would remove carbon dioxide from the air.

Respiration: If the biodome contains animals or microorganisms that respire, they may be consuming oxygen and producing carbon dioxide. This would result in a decrease in carbon dioxide levels in the air.

Ventilation: If the biodome has a ventilation system, it may be designed to remove excess carbon dioxide from the air. This could result in a decrease in carbon dioxide levels.

Carbon sequestration: If the biodome has systems in place to capture and store carbon dioxide, such as through the use of plants or other methods, this could result in a decrease in carbon dioxide levels in the air.

It's important to note that the specific cause of a decrease in carbon dioxide levels in the biodome's air will depend on the specific conditions and systems in place within the biodome.

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Another random Question to get whoever 50 Pts!!!!

whats your favorite animal and why

mine is lions because they are very fierce yet majestic in a way

alright your turn

Answers

Answer:

mine is a sheep

Explanation:

they’re cuddly and innocent, but my favorite part about them is that they stick together

About 96% of sea water is made of: A. Nitrogen/ B. Carbon dioxide/ C. Sodium and chloride/ D. Hydrogen and oxygen

Answers

Answer:

Hydrogen and oxygen

Answer:

D. Hydrogen and oxygen

Explanation:

It is obvious that this is the answer because the ocean is mostly water. H2O, or 2 hydrogen atoms and 1 oxygen atom, makes up water.

If this helped please give a thanks, a good rating, and Brainliest! It is always greatly appreciated! Thanks!

How do you know the molecule below is an unsaturated fat?
A. The molecule has an OH group on the end.
B. The molecule contains carbon double bonds.
C. The molecule has no nitrogen atoms.
D. The molecule contains a carbon-oxygen double bond.​

Answers

Answer:

The molecule contains carbon double bonds.

Explanation:

took the test

(Select all that apply.) Proteins may be identified separately from fats and carbohydrates by the presence of certain elements. Choose the elements that qualify.



iron

sulfur

phosphorus

zinc

platinum

magnesium

nitrogen

cobalt

Answers

Answer:

iron

sulfur

phosphorous

zinc

nitrogen

Explanation:

Protein can be regarded as a compound composing amino acids. Every amino acid is been composed of elements such as;

✓ carbon

✓ hydrogen

✓oxygen, as well as nitrogen.

Most proteins encompass sulfur.

To identify protein separately,

from fats and carbohydrates, it can be done through the presence of certain elements such as :iron

sulfur

phosphorous

zinc

nitrogen

Answer:

Iron

Sulfur

Phosphorus

Zinc

Nitrogen

these answers were right for me. I hope this helps <3

Just a quick summary will do!:

A. Sickle Cell Anemia is caused by a base change in DNA. Describe how the base change results in a faulty protein being made.

B. Briefly explain the inheritance pattern of the condition.

Answers

Answer: a) The single base change mutation occurs at the beta chain of haemoglobin when glutamic acid is replaced with valine.

b) Sickle Cell Anemia is inherited in an autosomal recessive pattern.

Explanation:

Haemoglobin is a protein found in the red blood cells whose main function is to transport oxygen. Sickle Cell Anemia is a disorder caused by a base change in DNA beta chain of haemoglobin. The amino acid valine is substituted for glutamic acid at one point in each of the two beta chains. When this type of hemoglobin is exposed to low oxygen, it forms elongated crystals inside the red blood cells that are sometimes 15 micrometers in length. These make it almost impossible for the cell to pass through many small capillaries, and the spiked ends of the crystals are likely to rupture the cell membrane, leading to sickle cell anemia.

In describing the inheritance patterns of sickle cell anaemia, it is of autosomal recessive pattern. This means that the parent of the affected individual both carry one copy of the mutated gene, but they typically do not show signs and symptoms of the condition. The gene for normal red blood cell is dominant over the gene for abnormal red blood cell which is said to be recessive. A person who is a stickler should have the genotype SS.

pls help

One cat carries long-haired traits (Hh), and it's mate carries short haired traits (hh)

Use the Punnett square (in the image) to determine the probability of one of their offspring having long hair.

Answers

The probability of long hair is 50%. The probability of short hair is also 50%. So, the probability of one of their offspring having long hair is 50%

describe the structure and functions of various organelles in a mature animal cell​

Answers

Answer:

Explanation:

Cell Membrane

A thin semipermeable membrane layer of protein and fats surrounding the cell. Its primary role is to protect the cell from its surrounding. Also, it controls the entry and exit of nutrients and other microscopic entities into the cell.

Nuclear Membrane

It is a double-membrane structure that surrounds the nucleus. It is also referred to as the nuclear envelope.

Nucleus

It is an organelle that contains several other sub-organelles such as nucleolus, nucleosomes and chromatins. It also contains DNA and other genetic materials.

Centrosome

It is a small organelle found near to the nucleus which has a thick centre with radiating tubules. The centrosomes are where microtubules are produced.

Lysosome (Cell Vesicles)

They are round organelles surrounded by a membrane and comprising digestive enzymes which help in digestion, excretion and in the cell renewal process.

Cytoplasm

A jelly-like material which contains all the cell organelles, enclosed within the cell membrane. The substance found within the cell nucleus, contained by the nuclear membrane is called the nucleoplasm.

Golgi Apparatus

A flat, smooth layered, sac-like organelle which is located near the nucleus and involved in manufacturing, storing, packing and transporting the particles throughout the cell.

hope this helps :)

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What is the inverse of the given relation?y = 3x + 12 I need some help please A lender is considering what terms to allow on a loan. Current market terms are 8 percent interest for 25 years for a fully amortizing loan. The borrower, Rich, has requested a $100,000 loan. The lender believes that extra credit analysis and careful loan control will have to be exercised because Rich has never borrowed such a large sum before. In addition, the lender expects that market rates will move upward very soon, perhaps even before the loan is closed. To be on the safe side, the lender decides to extend Rich a fixed rate, constant payment mortgage (CPM) loan commitment of $95,000 at 9 percent interest for 25 years. However, the lender wants to charge a loan origination fee to make the mortgage loan yield 10%. What origination fee should the lender charge? What fee should be charged if it is expected that the loan will be repaid after 10 years? Help me please!!!!!!!!!! Find the value of x, round your answer to the nearest tenth. 3. How does Bev's conversation with Gordy contribute tothe understanding of the theme? (Paragraphs 46-51)A It explains how they had ignored and laughed at thewarnings.B It explains how the school became flooded causingthe students to leave.C It explains how cooler temperatures caused the sealevel to drop and freeze.D It explains how there were no options left and thewarnings don't matter. (1/2)^x=16^2Could you please help me with the step-by step? This problem is giving me trouble. Which cell layer differentiates and forms the bodys internal structures such as bones and muscles Pedro, not a dealer, sold real property that he owned with an adjusted basis of $120,000 and encumbered by a mortgage for $56,000 to Pat in 2018. The terms of the sale required Pat to pay $28,000 cash, assume the $56,000 mortgage, and give Pedro 11 notes for $12,000 each (plus interest at the Federal rate). The first note was payable two years from the date of sale, and each succeeding note became due at two-year intervals. Pedro did not elect out of the installment method for reporting the transaction. If Pat pays the 2020 note as promised, what is the recognized gain to Pedro in 2020 (exclusive of interest) A5 N object at a height has gravitational potential energy of 30 J. What is the height of the object? Ms.tang bought 4 sets of doughnuts. she created a package of treats using 2/3 of a set. how many package did she created using all 4 sets what are the origins of islam whats the story For each error below, indicate: a. Which accounts are affectedb. Which assertions are violated. 1. An inventory purchase is received but not recorded until the company pays for the goods.2. Certain repair costs that should be expensed are capitalized.3. No loss is recorded or disclosed for a pending lawsuit against the client that is material, probable, and can be estimated.4. Sales shipped FOB shipping point are recorded before the balance sheet date but not shipped until after the balance sheet date. need helppp asap plsss i added a pic It is important that you maintain a healthy weight both for your overall health and so that your respiratory system can:A. deliver oxygen more adequately.B.pump blood more forcefully from the heart.C.keep capillaries constricted.D.allow for smaller amounts of air to enter your lungs. Solving system of Equations: x-4y= -14x+5y= 13 What is y? why is it important for the villi to absorb digested food into the blood? How many degrees is arc PQ? HURRY PLEASE IT MY UNIT TEST What statement best describes technological discoveries made during the Ming Dynasty?New technology was considered a threat to traditional Chinese culture by the emperor.O New breakthroughs in math and science led this period to be called the Golden Age of science.O Scholars failed to produce any lasting innovations in technology, math, or science.O Advancements that were made were mainly improvements on existing technologies.Ok y =2x - 3y + 1,y(1) = 5; y(1.2)