The saturation of hemoglobin is 100% at the arterial PO₂ of 95 mmg and is 75% at the venous PO₂ of 40 mmHg
Saturation of HemoglobinThe saturation of hemoglobin at the arterial PO₂ is 100 percent due to the constant supply of oxygen taken in from the environment. while at the venous PO₂ the hemoglobin is 75% due to the limited supply of oxygen.
Hence we can conclude that The saturation of hemoglobin is 100% at the arterial PO₂ of 95 mmg and is 75% at the venous PO₂ of 40 mmHg.
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Hysterectomy Is a surgical removal ofthe Uterus.It may or may not be accompanied by Salpingo-oophorectomy, removal of the uterine tubes and ovaries. Why would it be an advantage to leave the ovaries intact
It is an advantage to leave the ovaries intact because the woman will still be able to produce eggs and children through In vitro fertilization.
What is an Ovary?This is a part of the female reproductive system which serves as the site for egg production.
When the ovaries are intact, the eggs can be taken and fertilized with the sperm in a lab dish and implanted into the uterus of another female for development of the zygote.
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Which phylum is characterized by animals that have a segmented body?.
. The amount of food, space, and predators are examples of ____________________ that limit the number of individuals that the environment can support.
The amount of food, space, and predators are examples of density-independent factors that limit the number of individuals that the environment can support.
What are density-independent factors?Density-independent factors are those factors that do not depend on the size of a population to affect the population.
Density-independent factors include the following:
PredatorsAvailability of nutrientsSpaceDisease outbreakTherefore, the amount of food, space, and predators are examples of density-independent factors that limit the number of individuals that the environment can support.
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_____ scans create pictures of the living, active brain.
Answer:
A brain positron emission tomography (PET) scan. This is a type of scan that allows doctors to see how your brain is functioning
Explanation:
The fin of a tuna and the flipper of a dolphin are:.
The color yellow (Y) is a dominant trait. The color green (y) is a recessive trait. If a pure yellow pea (YY) mates with a pure green pea (yy), what will the offspring look like?
A. All yellow
B. All green
C. 1/2 yellow 1/2 Green
D. 3/4 blue 1/4 yellow
Answer:
A) All yellow
Explanation
If the hom ozygous dominant ma tes with the hom oz ygous recessive, 100% of offspring will be he tero zygous and express the dominant trait. Looking at the help image below, all offspring will be he teroz ygous and e xpress the yellow color trait.
I hope this helps!
pls help will give brainliest and 5 starts
Answer:
See the answer below
Explanation:
5
2
1
3
4
The population in a 50 square mile area is 200 people. What is the population density?
This is a simple calculation.
Typically you convert square miles into square kilometers. But you can apply this formula to both imperial and metric systems.
Formula:
[tex]Population Density = Population/Land Area[/tex]
Here is what your equation looks like
[tex]Population density = 200/50^2[/tex]
Calculate that and you get 0.08 people per square mile.
Blood has traveled from the heart to the toes. Which describes the next step
of the circulation process?
• A. The blood releases carbon dioxide on the way back to the heart.
•
B. The blood goes through the liver to be cleaned.
O C. The blood travels back to the heart in a vein.
• D. The blood travels to the lungs to get oxygen.
Research on the biology of aggression has clearly demonstrated that:.
Answer:
Research on the biology of aggression has clearly demonstrated that animals can be bred for aggressiveness. When a mild-mannered woman had an electrode implanted in her amygdala, she developed more aggressive tendencies. Studies have revealed diminished activity in the ________ of violent criminals.
Explanation:
animals can be bred for aggressiveness
Which of the following explains why it is important to store feed correctly?
Answer:
the important explaination we must store food in the cool place
ASAP
15. If out of 100 offspring, 74 are purple flowered and 26 are white, what were the likely genotypes and
phenotypes of the parents if this is a simple monohybrid cross?
Answer:
so it would be a 3 : 1 ratio.
Explanation:
The probable genotypes of the parents is Pp (Purple). When we will cross the two heterozygous purple flowers we will get the purple and white coloured flowers
The ratio would be 3:1. The parents' likely genotypes are Pp (Purple). Purple and white colored flowers will result by crossing two heterozygous purple blooms.
What are Genotypes and Phenotypes?The type of variant existing at a specific locus (i.e., region) in the genome is scored by what is known as a genotype. Symbols can be used to symbolise it. For illustration, BB, Bb, and bb might be employed to denote a certain gene variant.
The term "phenotype" refers to an organism's observable qualities, which are a multifactorial result of hereditary attributes and environmental factors. The physical, biochemical, physiological, and behavioral characteristics of an organism make up its phenotype.
Pp is the likely genotype of the parents (Purple). In the example presented above, combining two heterozygous purple blossoms will produce flowers that are both purple and white.
Thus, the ratio would be 3:1. The parents' likely genotypes are Pp (Purple). Purple and white colored flowers will result by crossing two heterozygous purple blooms.
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Help me in exercise 7 and 8
Answer:
I took a picture of my answers and put it in, and for exercise 8 do you have words to fill in the blanks? or is it just your own words.
Explanation:
Are there any parts of the human body that get oxygen directly from the air and not from the blood? Are there nuclear reactions going on in our bodies?
Answer:
The cornea is the only part of a human body that has no blood supply; it gets oxygen directly through the air. The cornea is the fastest healing tissue in the human body, thus, most corneal abrasions will heal within 24-36 hours.
Nuclear reactions do indeed occur in the human body, but the body does not use them.
Richard Pyle turned to Bill Stone when he wanted to learn more about rebreathers and other diving technology.
OA. True
OB. False
Answer:
True
Explanation:
Within the ANS, the effects of the ______ division are often general and widespread, while in the _______ division the effects are more specific and local.
Answer:
I guess-
Sympathetic
Parasympathetic
Explanation:
The autonomic nervous system(ANS) has two main divisions: Sympathetic. Parasympathetic.
Which of the following is NOT an advantage of reproduction?
A. no mate required
B. fast way to repopulate
C. creates genetic variation
Answer:
C.
Explanation:
Shows the logical approach to the benefits of reproduction.
Hope it helps (:
PLEASE HELP DUE IN 10 MIN
Answer:
what are the options
Explanation:
The most abundant bulk elements that make up the vast majority of living organisms are:.
Answer:
Carbon, oxygen, and hydrogen.
Answer:
The answer is oxygen, carbon and hydrogen
Explanation:
.
an avalanche in the top of the Andes Mountains drastically reduces the population of conifers and mountain goats in an area. This is an example of a _____ environmental change
An avalanche reducing the populations of conifers and mountain goats is an example of natural environmental change.
What is an environmental change?This refers to sudden and often unexpected modification in factors such as weather, access to resources, among others.
What are the types of environmental changes?These changes can be classified into categories such as:
Natural environmental changes.Human-cause environmental changes.Based on this classification, the avalanche is a natural environmental change considering this is a natural disaster.
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Protostomes that have bilateral symmetry and three embryonic germ layers, but that do not possess a coelom or pseudocoelom, are called
Flatworms are free-living or parasitic animals, with bilateral symmetry, triblastic and with no coelom. The correct answer is FLATWORMS.
What are the flatworms?These are animals of variable size, going from a few millimeters to centimeters.
Flatworms are bilateral, acoelomated, and triblastic animals. The fact of being acoelomate means that they lack an internal cavity. Their whole body is solid, having mesenchyme where different organs are located.
Sense organs are located in the anterior part of the body.
These animals are hermaphrodites, exhibiting cross reproduction and eventually autofecundation.
They might be free-living animals or parasitic.
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Who first observed bacteria in 1676?
A.
Antoine van Leeuwenhoek
B.
Madame Curie
C.
Albert Einstein
D.
Carl Linnaeus
Antoine van Leeuwenhoek
In this illustration, the rings around the Sun represent
A)
orbits.
B)
sun rays.
C)
radiation.
D)
dust particles.
Answer:
I think the answer is C. radiation
Explanation:
Radiation is around the rings and makes some type of weather.
What happens to energy from the Sun when it reaches Earth
Answer:
The energy from the sun that reaches Earth’s surface is mostly “shortwave” radiation – mostly visible light. This energy passes freely through the atmosphere and is absorbed by Earth’s surface. The surface warms from the energy input, and some of its heat projects back to the atmosphere as infrared radiation.
Explanation:
Energy released from the Sun is emitted as shortwave light and ultraviolet energy. When it reaches the Earth, some is reflected back to space by clouds, some is absorbed by the atmosphere, and some is absorbed at the Earth’s surface. … Shortwave radiation reflected back to space by clouds.
8. After learning about Walker and her love of and exploration of galaxies, what questions do you still have? What do you want to know more about?
After learning about Walker and her love of and exploration of galaxies, the most questions often ask is how these galaxies came into existence.
How these galaxies came into existence?Galaxies are known to be the product of a start of small compositions or clouds of stars and dust that are said to have been moving about through space.
Conclusively, Note that as other different clouds tries to get close, gravity is known to be the force that sends these objects scattering into each other then they mix up together to form a bigger spinning packs known as Galaxies
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A patch of flowers was exposed to a harmful pesticide. Identify and explain which organelle(s) would
be heavily involved in providing the plants' cells with protection.
Answer:
plasma membrane?
Explanation:
The function of plasma membrane is seperating the contains from outer environment?
Which statement best describes how organisms use DNA and amino acids to synthesize protein?
1 Dna is transcribed into mRNA, which is translated by the ribosome to produce an amino acid chain.
2 DNA is translated into mRNA, which is transcribed by the ribosome to produce an amino acid chain
3 Amino acids are transcribed into mRNA, which is translated into the nucleus to produce a molecule of DNA.
4 Amino acids are translated into mRNA, which is transcribed in the nucleus to produce a molecule of DNA.
Answer:
1 Dna is transcribed into mRNA, which is translated by the ribosome to produce an amino acid chain.
Explanation:
The steps of the process are always from DNA to mRNA to amino acids. This is because DNA can't travel out of the nucleus. So, DNA must be converted to mRNA to travel out of the nucleus. Only mRNA can leave the nucleus. The m in mRNA stands for messenger, so think of mRNA as the messenger from DNA to amino acids. Then the mRNA must be converted to amino acids to produce a protein.
So, options 3 and 4 are eliminated.
The process of DNA to mRNA is called Transcription. The act of transcription is called transcribing.
The process of mRNA to amino acid is called translation. The act of translation is translating.
The only option that fits this category is option 1.
Help I’ll give brainliest
Answer:
At stage 3, it is most difficult to tell the embryo apart. This is because There are a lot of similarities at this stage and the distinguishing features have not developed yet.
Each embryo has some type of tail bone, whether it may or may not be used when actually born.
This can be used to support evoultion because the similarities clearly and visibily show a common ancestor between embryos. Because of their obvious similar traits, embryos must share ancestral DNA that they evolved from.
Explanation:
Which source of energy causes most of the water evaporation on Earth’s surface?
Answer:
heat energy from the sun
which of the following is NOT a natural resource?
O gold
O water
O oil
O fire
Answer:
oil
fire gold and water are all naturally from earth, oil is not.