Which of the following elements is NOT found
in ALL biomolecules?
A)Phosphorous
B)Carbon
C)Hydrogen
D)Oxygen
E)Nitrogen

Answer:

Hii ! I am fine and u?

Explanation:

When light from an object is reflected by a surface,it changes direction.It bounces off the surface at the same angle as it hits it. smooth,shiny surfaces such as mirrors and polished metals reflect light well.

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To select the proper size oropharyngeal airway, you should measure from the corner of the mouth to the angle of the jaw or the earlobe to the corner of the mouth.

An oropharyngeal airway is a medical device used in airway management to keep or open a patient's airway.

By keeping the tongue from blocking the epiglottis, which would make it difficult for the person to breathe, it achieves this.

The oropharyngeal airway is placed in the patient's mouth upside down, with the tip facing the patient's mouth's roof.

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Sex-linked genes are those located at the sex chromosome and inherited together with it. a) X⁺ dominant allele (+) in the X chromosome. X⁻ recessive allele (-) in the X chromosome. b) X⁺Y. c) Yes, they can have either an affected boy or an affected girl. ratios 1:1:1:1. d) 125/128 normal daughters. 127/128 normal boys.

When talking about sex-linked genes, we refer to genes located in one of the sex chromosomes.

Being linked to one of the sex chromosomes means that these genes, and their corresponding alleles, will only be inherited together with the chromosome.

In general, genes are linked to the X chromosome. These are X-linked genes. In these cases, a male that inherits the X chromosome from a heterozygous female can express either the dominant or the recessive trait, depending on which allele it got from the mother.

However, some genes are linked to the Y chromosome and hence, inherited only by males or men. Traits coded by Y-linked genes will only be inherited by males.

In the exposed example,

The Sex Linkage Fragile X is an X-linked disorder inherited in a recessive manner ⇒ X⁻

a) Gene notation:

  genotypes           phenotypes        

X⁺X⁺ and X⁺X⁻        unaffected female

X⁻X⁻                         affected female

X⁺Y                           unaffected male

X⁻Y                           affected male

b) The son is not affected, so he has an X chromosome with the dominant allele (+). His genotype is X⁺Y.

c)

affected man  ⇒ X⁻Y

unaffected woman ⇒ X⁺X⁻

Yes. this couple can have an affected girl and an affected son.

Cross:         X⁻Y     x     X⁺X⁻

Gametes) X⁻    Y         X⁺    X⁻

Punnett square)     X⁻           Y

                     X⁺    X⁺X⁻      X⁺Y

                     X⁻    X⁻X⁻      X⁻Y

F1) 1/4 unaffected girls, X⁺X⁻

    1/4 unaffected boys, X⁺Y

    1/4 affected girls, X⁻X⁻

    1/4 affected boys, X⁻Y

genotypic and phenotypic ratios ⇒ 1:1:1:1

                                                           1/4 X⁺X⁻ : 1/4 X⁺Y : 1/4 X⁻X⁻ : 1/4 X⁻Y

d. If the couple has four children, each time they can have either of the following options

The probability that they will have normal children are 128/256.

P(no boys) = 1/128

P(one boy) = 1  -  1/128

P (one boy) = 127/128

P(no girls) = 1/128

P(three girls) = 3  -  1/128

P (three girls) = 125/128

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The correct answer is option A. Receptors detect specific molecules of epinephrine.

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Answer:

This question lacks options, the options are:

A. The DNA sample comes from a bacterium or virus,

B. The DNA sample has been cut into fragments by restriction enzymes.

C. Only a small amount of the DNA sample is available,

D. The DNA sample includes regions that are transcribed into mRNA

The answer is C

Explanation:

Polymerase chain reaction, commonly known as PCR, is a molecular technique used to amplify a DNA sample into producing million copies of it. The PCR was invented by Kary Mullis in 1983 and since then it has been used to multiply DNA sample for use in molecular or forensic studies.

PCR starts with a very minute fragment of DNA sample. Therefore, scientists use the polymerase chain reaction (PCR) before they analyze a DNA sample under the condition that only a small amount of the DNA sample is available.

Answer:

Explanation:

Mammals reproduce through live birth, while other animals such as reptiles and birds lay eggs where the embryo develops inside the egg. Both mammals and reptiles produce sexually. Most mammals have fur or hair, however, other animals such as reptiles/birds have feathers/scales.

Answer:

Mammals and reptiles, two of the five classes of vertebrates, are among the most complex animals on Earth. There are approximately 8,240 species of reptiles, including snakes, turtles and lizards, which make it a more diverse group than mammals, of which there are about 5,400 species. Mammals, which include whales, bears and primates, are believed to have evolved from reptiles 240 million years ago.

The molecular and energy products generated by aerobic respiration would be \(6CO_{2}\), 6\(H_{2}O\), an energy of 38 ATP and heat.

So, the correct option is B.

Adenosine triphosphate, a chemical compound that provides energy, is produced as a result of a series of enzyme-controlled chemical reactions in which oxygen reacts with glucose to produce carbon dioxide and water. When oxygen and glucose are combined during aerobic cellular respiration, ATP is created that the cell can use. There are byproducts of carbon dioxide and water. Cellular respiration is an aerobic process in which glucose and oxygen combine to create ATP.

In the second and third stages of the aerobic energy system, the breakdown of glucose that was begun by aerobic glycolysis is continued, producing the byproducts carbon dioxide and water, as well as the synthesis of additional ATP.

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Answer:

each nucleotide triplet (called a codon) specifies a particular amino acid. Thus, a nucleotide sequence in the DNA specifies a protein provided that a messenger RNA molecule is produced from that DNA sequence. Each region of the DNA sequence specifying a protein in this way is called a gene.

Answer:

atom

Explanation:

The lateral movement of a lipid molecule can be affected by the presence of different types of membrane lipids and membrane proteins through various interactions and the formation of specialized membrane domains.

The lateral movement of a lipid molecule in a cell membrane can be affected by the presence of different types of membrane lipids and membrane proteins. Here's a step-by-step explanation:

1. Membrane composition: The cell membrane is composed of various lipids, such as phospholipids, glycolipids, and cholesterol. Different lipids have distinct properties that can influence the lateral movement of lipid molecules.

2. Lipid interactions: The presence of different lipids in the membrane can lead to lipid-lipid interactions. For example, cholesterol can intercalate between phospholipid molecules, causing the membrane to become more ordered and rigid, reducing lipid lateral movement.

3. Membrane proteins: The cell membrane also contains numerous proteins that can affect lipid movement. Integral proteins, which span the entire membrane, can create obstacles that slow down the lateral movement of lipid molecules.

4. Protein-lipid interactions: Some proteins directly interact with lipids, which can either restrict or facilitate lipid movement. For example, certain proteins may bind to specific lipids, limiting their lateral movement, while others may help lipids move more efficiently.

5. Membrane domains: The presence of different lipids and proteins can lead to the formation of specialized membrane domains, such as lipid rafts. These domains have a specific lipid and protein composition and may exhibit different lipid movement characteristics compared to other regions of the membrane.
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Answer:

Astraphobia, also known as brontophobia, is a kind of phobia characterized by an intense fear of extremely loud but natural noises in the environment. Namely, lightning and thunder.

The best argument for Nina to check her checking account records online or on a mobile app is to determine how much cash she has to work with while creating a budget.

In an accounting system, a profile is a record that keeps track of the financial transactions involving a particular asset, risk, equity, profit, or expense. As that the business events take place throughout the course of the accounting period, these records grow and shrink.

A corporate checking account, like a checking account, is frequently employed for an institution's regular transactions, such buying things or paying bills. Businesses are given checks and debit cards to use for purchases, and they can deposit money into and take money from these accounts.

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Answer:

b-to determine the exact date she can retire

Explanation:

.

Answer:

Adrian's adaptive immune system remembered the antigens from the virus. so he becomes immune to it.

Explanation:

Answer:

Adrian’s adaptive immunity remembered the antigens from the virus and gave him lifelong immunity to it.

Adrian’s adaptive immunity produced a higher amount of specific antibodies for the antigen, preventing the virus.

Explanation:

Answer:

HERBACEOUS PLANTS• Support is provided by the turgidity of parenchyma & collenchyma cells & xylem tissues. Parenchyma cells are filled with water  turgid• Collenchyma cells have unevenly thickened cellulose walls which provide support in stem & the midrib of the leaves.

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Answer:

False

Explanation:

The smooth endoplasmic reticulum lacks ribosomes and functions in lipid synthesis but not metabolism, the production of steroid hormones, and detoxification. The smooth endoplasmic reticulum is especially abundant in mammalian liver and gonad cells.

The statement, "Meniscal repair surgeries do the best when the meniscal tear extends into the middle 50% of meniscal substance" is True.

The shin and thigh bones of the knee joint are cushioned by the meniscus, a firm, rubbery cartilage. Meniscus surgery may be required to repair the injury, depending on its location and degree. When the meniscal tear spreads into the middle 50% of the meniscal material, meniscal repair surgery performs well.

When the tear is located near the outermost 3–4 mm of the meniscus, meniscal repairs have a better success rate. The majority of the meniscus's blood supply originates in this area, known as the vascular zone. Because of this, the meniscus can be fixed using a procedure known as "inside-out" repair, which entails making a tiny incision and inserting sutures through the torn meniscus.

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The endoscopic visualization and examination of the large intestine from the anus to the ileocecal junction is known as colonoscopy.

Colonoscopy is a medical procedure that utilizes an endoscope, a flexible tube with a camera and light source, to visualize and examine the large intestine (colon) from the anus to the ileocecal junction. It is a common diagnostic and screening procedure used to detect abnormalities, such as polyps, tumors, inflammation, or other conditions affecting the colon.

During a colonoscopy, the patient is typically sedated, and the endoscope is carefully inserted through the anus and guided through the entire length of the large intestine. The camera captures real-time images of the colon's lining, allowing the healthcare provider to assess its health, identify any abnormalities, and potentially perform biopsies or remove polyps.

Colonoscopy is considered an important tool in colorectal cancer prevention and early detection, as it can help identify precancerous or cancerous lesions. It is also used to investigate symptoms like abdominal pain, changes in bowel habits, rectal bleeding, or unexplained weight loss.

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Answer:

Because they are farther away

Explanation:

Answer:

A beam leaf

Explanation:

Answer:

Rough endoplasmic reticulum transport proteins synthesised by ribosome.

Smooth endoplasmic reticulum synthesise and transport glycerol and lipids.

Answer:

Explanation:Why Are Nutrients Important to Plants? Plants need nutrients for the same reasons that animals need them. They need them to germinate, grow, fight off diseases and pests and to reproduce. Like animals, nutrients are needed in larger, smaller or trace amounts for the plant to stay healthy.

Hypothesis , Exposure to air will cause soda to lose its carbonation over time.If your results support your hypothesis, you can conclude that exposure to air does cause soda to lose its carbonation over time. If your results do not support your hypothesis, you may need to revise it and conduct further experiments to test it.

Experiment Design:

Gather materials: soda (preferably one with a screw-on cap), a container with a lid that can hold the soda, and a timer.

Open the soda and pour it into the container. Make sure the container has enough space to allow for air circulation.

Close the lid tightly and start the timer.

Check the carbonation level of the soda at regular intervals (e.g., every 30 minutes, every hour, every 2 hours) by opening the lid and observing how much fizz is released when the soda is poured.

Record your observations for each interval and compare the carbonation levels over time.

Repeat the experiment with another bottle of soda, but this time leave the lid off to allow air to circulate around the soda.

Record your observations for each interval and compare the carbonation levels over time with the soda that was kept in the container with the lid on.

Analyze your results and draw conclusions based on whether exposure to air had an effect on the carbonation of the soda.

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The cervical region, located in the neck, is made up of 7 individual vertebrae. These vertebrae are designated as C1 through C7.

The cervical vertebrae are the smallest of the vertebrae in the spine and are also the most mobile. They are responsible for allowing the head to move in a wide range of directions, including side-to-side, forward and backward, and up and down. They also support the weight of the head, which is on average around 10 to 12 pounds.

C1, also known as the atlas, is the first cervical vertebra and supports the head. C2, also known as the axis, is the second cervical vertebra and allows the head to rotate. The remaining five cervical vertebrae, C3 through C7, are responsible for providing stability and support for the neck.

The cervical vertebrae also have special bony protuberances called transverse processes and spinous processes which stick out from the sides and back of the vertebrae, respectively. They also have a hole in the middle, called the spinal canal, through which the spinal cord passes.

Overall, the cervical vertebrae play a crucial role in the movement and stability of the head and neck, and any injury or damage to these vertebrae can have serious consequences.

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Answer:

To produce ATP

Explanation:

Mark as brain list answer

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Answer:

b i think gllllllllllllll