How is oxygen carried from the lungs to the tissues?
a. It binds to a protein called hemoglobin in red blood cells
b. It is carried by cilia through the bronchioles
c. It leaves the alveoli and enters mucus
d. It leaves the bronchi and enters the capillaries
Answers
Answer:
It binds to a protein called hemoglobin in red blood cells.
Explanation:
I took the quiz.
Oxygen gas is carried in the body from the lungs to the tissues by binding to a protein called as hemoglobin in red blood cells. Thus, the correct option is A.
What is Hemoglobin?Hemoglobin is abbreviated as Hb or Hgb. It is the iron-containing oxygen-transport metalloprotein which is present in the red blood cells of almost all the vertebrates as well as the tissues of some of the invertebrates.
Hemoglobin is the main protein in the red blood cells which carries oxygen gas to body's organs and tissues and it transports carbon dioxide gas from the different body organs and tissues back to the lungs.
Therefore, the correct option is A.
Learn more about Hemoglobin here:
https://brainly.com/question/15011428
#SPJ6
Related Questions
Which of the following effects is least likely to be as a result of deforestation?
A: A greater risk of flooding.
B: An increase in biodiversity.
C: An increase in soil erosion.
D: An increase in the level of carbon dioxide in the atmosphere.
Answers
The effect that is least likely to be a result of deforestation is an increase in biodiversity. That is option B.
Deforestation is a practice that encourages the clearing of forests for other purposes such as agricultural croplands, urbanization, or mining activities.
This practice needs to be avoided because:
posses a greater risk of flooding as deforestation erodes the soil.they provide a protective cover for the soil against the action of wind and rain thereby preventing soil erosion.the level of carbon dioxide in the atmosphere decreases as it is cleared by trees during photosynthesis.But deforestation leads to a decrease in biodiversity instead of an increase.
Deforestation can lead to biodiversity loss. This occurs when animal species that live in the trees no longer have their habitat, cannot relocate, and therefore become extinct.
Learn more here:
https://brainly.com/question/19265191
A scientist is investigating the effect of a pesticide on the
ability of certain types of weeds to produce seeds. The
scientist plans to conduct a test to find out whether the
amount of pesticide will affect whether a weed makes
seeds.
Which type of scientific investigation does this plan describe?
A. Experimental investigation
B. Theoretical investigation
C. Descriptive investigation
D. Comparative investigation
Answers
The type of scientific investigation of a plan based on conducting a test to find out whether the amount of pesticide will affect whether a weed makes seeds is A. Experimental investigation.
What is an experimental investigation procedure?An experimental investigation procedure refers to formulating a given test in controlled conditions in order to determine if our working hypothesis can be confirmed or needs to be rejected, which is a fundamental step of the scientific method.
Therefore, with this data, we can see that an experimental investigation procedure allows us to confirm or reject the hypothesis.
Learn more about experimental investigation procedures here:
https://brainly.com/question/29897636
#SPJ1
In what part of the ocean do you find most marine organisms?
O shallow, coastal waters
O fisheries
O deep ocean waters
O none of the above
Answers
The most marine organisms are found in Shallow coastal water ( A )
Most Marine Organisms live on coastal habitats even though these habitats are about 7% of the total ocean waters. while the majority of the open ocean waters constitute the habitat for about 50 to 80% of life found on earth.
Most marine organisms live in shallow coastal waters because of the accessibility to sunshine and oxygen while the deep ocean waters are always very dark having little access to sunshine almost throughout the years.
Hence we can conclude that most marine organisms are found in the shallow coastal waters of the ocean.
Learn more : https://brainly.com/question/19900594
The ______ is the protective chamber that houses the ovule and later matures to become the fruit. A) ovary. B) carpel. C) sepals. D) stigma.
Answers
The ovary is a crucial part of the flower's reproductive system and is responsible for protecting the ovules and developing into the fruit.
A) ovary.
The ovary is the protective chamber that houses the ovule and later matures to become the fruit.
The explanation for this is that the ovary is a part of the female reproductive organ of a flower and it is located at the base of the pistil.
The ovary is the protective chamber that houses the ovule and later matures to become the fruit. It is a part of the female reproductive organ in flowering plants called the carpel.
It is responsible for enclosing and protecting the ovules which are the female reproductive cells of the flower.
Once the ovules are fertilized by the male reproductive cells, the ovary matures into a fruit.
In summary, the ovary is a crucial part of the flower's reproductive system and is responsible for protecting the ovules and developing into the fruit.
Learn more about ovary click here:
https://brainly.com/question/22265015
#SPJ11
What is a karyotype?
35 POINTSS!!
Answers
Answer:
A karyotype is an individual's collection of chromosomes.
Explanation:
Explanation:
A karyotype is an individual's collection of chromosomes. The term also refers to a laboratory technique that produces an image of an individual's chromosomes. The karyotype is used to look for abnormal numbers or structures of chromosomes.
If a mouse inherits a particular form of one trait, then the inheritance of the other trait will not be affected because alleles assort independently.
Answers
Answer:
Explanation:
The inheritance sorts independently
A student creates a model of the formation of fossil fuels by first placing a layer of leaves, representing organic matter, in the bottom of
a cup. What step will come next in the model?
Pouring water over the leaves to model washing away by rivers
Adding sand on top of the leaves to model burial in sediments
Burning the leaves to model the decay of the organic matter
Putting the leaves in the freezer to model conditions on top of mountains
Answers
An Adding sand on top of the leaves to model burial in sediments.
Explanation:
I know because I'm different breed
When experimenting with the growth of a plant, a scientist used two of the
same type of plants, equal light, and equal water and gives one plant the
new Grow Great fetilizer.
Identify the Variables
Plant B
control
dependent variable
control
ITUUT
Independent variable
control
growth of the plant equal to Grow Great Petter
e type of plant
Answers
- plant growth
Independent (changing) :
- type of fertilizer
Control (keeping the same) :
- equal amount of light
- equal amount of water
- same type of plants
Which of the following is a molecule that combines with an enzyme to activate it and help it do its job?Group of answer choicesA. a transport proteinB. a collagenC. a coenzymeD. a prion
Answers
A coenzyme is a chemical that works in conjunction with an enzyme to activate it and aid in its function. An organic molecule that binds to the active sites of specific enzymes is known as a coenzyme and helps catalyse reactions.
To be more precise, coenzymes can serve as functional groups that are exchanged between enzymes or act as intermediate carriers of electrons during these reactions.Coenzymes, which are organic compounds, are necessary for the catalytic activity of many enzymes. They typically have vitamins or vitamin-like substances in them.
They can occasionally serve as catalysts in the absence of enzymes, however not as efficiently as when an enzyme is present.Coenzymes are mostly made from vitamins and other minor amounts of other organic vital elements. (While both types of inorganic compounds are mentioned here, some scientists restrict the word "cofactor" to them.)
To know more about coenzyme , visit
https://brainly.com/question/29386956
#SPJ4
La destrucción experimental de proteínas presentes en la membrana plasmática afectará a procesos celulares, tales como la (el)
Answers
Answer:
Ósmosis.
Explicación:
La destrucción experimental de proteínas presentes en la membrana plasmática afectará los procesos celulares, como la ósmosis, porque estas proteínas en la membrana plasmática son responsables del intercambio de materiales a través de la célula. Debido a la destrucción de proteínas, no se produjo la difusión de gases y materiales a través de la célula, lo que conduce a la muerte de la célula. La ósmosis es un proceso muy importante que permite a la célula difundir los materiales de desecho fuera de la célula y permite que los gases y la glucosa entren en la célula.
An object has less weight on the Moon than it has on Earth. What causes this difference?
a. increased friction
b. the lack of an atmosphere
c. a decrease in gravity
d. the lack of water
Answers
plants absorb from the atmosphere and release to the atmosphere.
a. true
b. false
Answers
a. true. Plants do absorb certain gases from the atmosphere and release certain gases back into the atmosphere through various physiological processes.
One of the most well-known processes is photosynthesis, where plants absorb carbon dioxide (CO2) from the atmosphere and release oxygen (O2) as a byproduct.
This is a crucial role that plants play in the carbon cycle and in maintaining the balance of atmospheric gases.
Additionally, plants can also release volatile organic compounds (VOCs) and other gases as part of their normal metabolic activities, which can have impacts on air quality and atmospheric chemistry.
Learn more about plants at:
https://brainly.com/question/31220793
#SPJ1
write the role of HCL in digestion
Answers
Answer:
Hydrochloric acid contributes to protein digestion by supplying H+ which activates pepsinogen, the precursor to pepsin. Pepsinogen is secreted by chief cells in the gastric glands of the body and antrum of the stomach.
Explanation:
˙˚ʚ(´◡`)ɞ˚˙
Answer:
Activates pepsin enzyme
Explanation:
Carbohydrates are digested into maltose in the mouth and protein digestion begins in the stomach. In the stomach, food undergoes chemical as well as physical digestion.Due to the peristaltic action of the muscles the bolus breaks up in the stomach wall and mixes well into a chyme. ( Physical digestion )Several secretions flow into the stomach. It is collectively known as gastric juice.Also the juice contains pepsin and HCL acid.Here, the enzyme pepsin acts on the proteins in the food and forms polypeptides, which are intermediate products of life. ( Chemical digestion )And the function of the HCL acid is to stimulate pepsin enzyme and make it activeWhich scientific information most likely lead to school districts requiring vaccines?
Answers
Answer:
Explanation:
Scientific information that most likely lead to school districts requiring vaccines would be that vaccines prevent diseases and can improve a school’s safety.
Hope this answers the question. Have a nice day.
What are gametes?
male and female reproductive organs
male and female reproductive tissues
male and female reproductive systems
male and female reproductive cells
Answers
Answer:
male and female reproductive cellsExplanation:
I hope it helps ❤❤Answer:
the last one
Explanation:
By what percentage did the wildebeest population increase from 1961 to 1977?
Answers
The wildebeest population increased by 100% from 1961 to 1977.
Percentage refers to a portion of a whole, expressed as a fraction of 100. It is often denoted using the symbol "%". For example, if there are 100 people in a room and 25 of them are women, the percentage of women in the room would be 25%.
To calculate the percentage increase in the wildebeest population from 1961 to 1977, we need to know the population figures for both years.
Assuming we have that information, we can use the following formula to calculate the percentage increase;
percentage increase = (new value - old value) / old value × 100%
Let's say that the wildebeest population in 1961 was 100,000 and the population in 1977 was 200,000. Using the formula, we get;
percentage increase = (200,000 - 100,000) / 100,000 × 100%
percentage increase = 100,000 / 100,000 × 100%
percentage increase = 100%
To know more about wildebeest population here
https://brainly.com/question/14843770
#SPJ4
Explain how the process of natural selection can be the driving force behind the evolution of a tiger and human.
Answers
Answer: the pple
Explanation:fjjfjjfjf
The movement of a substance OUT of a cell using a vesicle is ________
Answers
Answer:
Exocytosis
Explanation:
The movement of substance out of a cell using a vesicle is known as exocytosis.
Cells transport components from inside the cell into the extracellular fluid through a process called exocytosis.
A vesicle undergoes exocytosis when its plasma membrane fuses with it, releasing its contents outside the cell.
Exocytosis accomplishes the following goals:
Discarding toxins from cellImproving cellular communicationImproving cell growth, repair and signalling.An overview of the fundamental exocytosis stages is provided below.
In the endoplasmic reticulum, the Golgi apparatus, or early endosomes, a vesicle normally forms.To reach the cell membrane, the vesicle travels.The two bilayers combine as the vesicle joins the plasma membrane.The contents of the vesicle are expelled into the extracellular environment.The vesicle either joins the cell membrane or splits from it.For more information on Exocytosis kindly visit to
https://brainly.com/question/11660031
the process applied to fruits and vegetables to inactivate natural food enzymes is known as
Answers
The process of inactivating natural food enzymes in fruits and vegetables is commonly used to extend the shelf life and preserve the quality of these products.
The process of inactivating natural food enzymes in fruits and vegetables is commonly used to extend the shelf life and preserve the quality of these products. This process is known as enzyme inactivation, and it involves the application of heat or other treatments that denature the enzymes, rendering them inactive. Enzyme inactivation can also be achieved through the use of chemical or physical agents that disrupt the enzyme's structure and function. The main benefit of enzyme inactivation is that it can slow down the natural decay and deterioration of fruits and vegetables, which helps to reduce food waste and improve food safety. However, this process can also affect the nutritional content and sensory properties of the produce, so it should be carefully controlled to ensure that the final product meets the desired quality standards.
To know more about enzyme inactivation visit: https://brainly.com/question/29352582
#SPJ11
Song suggestions??? lmk
Answers
any song written by lil peep, some great starters are beamer boy and star shopping, I personally love Haunt You, Give You The Moon, and Nuts.
PLEASE HURRY I AM TIMED!!!
Are aliens real? Explain your answer.
Answers
Answer:
No, not according to any sciences (unless you mean aliens as in immigrants)
Explanation:
There is no way that we are the only living thing in the entire world. There has to be another species out there. They might be wondering if there is another living thing out in space too.
what would happen to the fox population if the mouse population decreases?
Answers
Answer:
The fox population would also decrease because they would have less to eat. That means that a lot of them would starve to death.
Which statement best defines a protist? an organism that reproduces by spores and feeds on decaying matter a eukaryote that is either animal-like, plant-like, or fungus-like a foot-like extension that is used for eating and movement a long, whip-like extension that is used for movement
Answers
Answer:
B. A eukaryotic that is either animal-like, plant-like, or fungus-like.
Explanation:
A protist is best defined as an eukaryote that is either animal-like, plant-like, or fungus-like.
WHAT IS A PROTIST?A protist is an eukaryotic i.e. possess a membrane-bound nucleus organism that belongs to the kingdom Protista.
The kingdom Protista is different from all other kingdoms such as;
FungiAnimaliaPlantaeThis means that an organism classified as a protist can be defined as an eukaryote that is either animal-like, plant-like, or fungus-like.
Learn more about protist at: https://brainly.com/question/5186929
in a patient, at what phase of the bacterial growth curve do antibodies and white blood cells affect the progress of the disease?
Answers
In a patient, antibodies and white blood cells affect the progress of the disease during the log phase of the bacterial growth curve.
The bacterial growth curve is a graph that represents the growth of bacterial populations over time. It is divided into four phases: lag phase, log phase (exponential phase), stationary phase, and death phase.
During the log phase of bacterial growth, bacteria multiply rapidly and achieve maximum growth rate. At this point the immune system responses to the infection, which includes the production of antibodies, proliferation and activation of white blood cells.
If the immune response is adequate, the bacteria may be effectively controlled and the growth curve will have quick transition into the stationary phase and progress into the death phase.
To know more about immune response here:
https://brainly.com/question/29557865#
#SPJ4
Which is true of the amount of matter in ecosystems?
a). It decreases over time.
b). It remains constant.
c). Scientists cannot determine how it changes.
d). It increases over time.
Answers
Answer:
I think its c Scientists cannot determine how it changes.
d). It increases over time.
The true fact about the amount of matter in ecosystems is that it remains constant, as shown in Option b, the amount of matter in an ecosystem remains constant according to the law of conservation of matter.
What is the significance of ecosystems?An ecosystem is an interaction between living organisms and their environment, and the interactions between them are important because they provide a wide range of benefits to humans, including supporting livelihoods, providing food, purifying the air and water, regulating the climate, and also playing a vital role in maintaining the balance of nature and providing a home for a diverse range of species.
Hence, the true fact about the amount of matter in ecosystems is that it remains constant, as shown in Option b, the amount of matter in an ecosystem remains constant according to the law of conservation of matter.
Learn more about the significance of ecosystems here.
https://brainly.com/question/13979184
#SPJ2
what types of bacteria will carry out nitrification? question 40 options: a) heterotrophs b) chemoorganotrophs c) fastidious heterotrophs d) lithotrophs e) phototrophs
Answers
The bacteria that carry out nitrification are (d) lithotrophs, which means they obtain energy from inorganic sources.
Nitrification is a two-step process in the nitrogen cycle that involves the oxidation of ammonia (NH3) to nitrite (NO₂⁻) by ammonia-oxidizing bacteria (AOB), and further oxidation of nitrite to nitrate (NO₃⁻) by nitrite-oxidizing bacteria (NOB). These bacteria are chemoautotrophs, meaning they use inorganic compounds as a source of energy and carbon dioxide as a source of carbon.
Option (d) lithotrophs is the correct answer for the question. Heterotrophs (option a), chemoorganotrophs (option b), fastidious heterotrophs (option c), and phototrophs (option e) obtain their energy from organic compounds rather than inorganic sources and are not directly involved in the process of nitrification.
To know more about the Nitrification refer here :
https://brainly.com/question/28195929#
#SPJ11
20 points please hurry marine biology
What are the locations of the oceanic zones?
The (*blank*) zone is bordered by the Arctic Circle, while the (*blank*) zone is bordered by the Antarctic Circle.
1st (*blank*) options
Northern tropical
Northern temperate
Southern tropical
Southern temperate
2nd (*blank*)
Northern tropical
Northern temperate
Southern tropical
Southern temperate
Answers
Answer:
I think Its northern temperate and southern temperate
Explanation:
which of the following statements about photosystem ii are correct? it is a multimolecular transmembrane assembly containing several polypeptides, several chlorophyll molecules, a special chlorophyll (p680), pheophytin, and plastoquinones. it transfers electrons to photosystem i via the cytochrome bf complex. it uses light energy to create a separation of charge, the potential energy of which can be used to oxidize h2o and to produce a reductant, plastoquinol. it uses an fe2 -cu center as a charge accumulator to form o2 without gener- ating potentially harmful hydroxyl radicals, superoxide anions, or h2o2.
Answers
The correct statement about photosystem II is that A. a multimolecular transmembrane assembly containing several polypeptides, several chlorophyll molecules, special chlorophyll (p680), pheophytin, and plastoquinones.
Photosynthesis is the process of combining various substances to produce food by plants involving sunlight. The main raw materials for plants to carry out photosynthesis are carbon dioxide, air, and chlorophyll with the help of sunlight.
Photosystem is a collection of chlorophyll whose function is to capture light at certain wavelengths. In the light reactions in the noncyclic cycle electrons will be captured by P680 (photosystem II). Photosystem II absorbs light energy carried by chlorophyll a which is sensitive to a wavelength of 680 nm (nanometers). Photosystem II is involved in the assembly of transmembrane multimolecules containing several polypeptides, several chlorophyll molecules, special chlorophyll (p680), pheophytin, and plastoquinones.
Learn more about photosynthesis at:
https://brainly.com/question/13211869
#SPJ4
Researchers picked habanero peppers at different time points after the peppers matured and measured the concentrations of the flavor molecules. Which of the following statements about these data is TRUE? a) Habenero peppers are the least hot when picked 80 days after maturity b) Dihydrocapsaicin concentrations rise and fall more quickly than capsaicin concentrations c) Dihydrocapsaicin is more highly concentrated in the seeds of the habenero pepper than in the flesh d) Capsaicin is always at a higher concentration than dihydrocapsaicin
Answers
Researchers picked habanero peppers at different time points after the peppers matured and measured the concentrations of the flavor molecules. The following statements about these data is true A) Habenero peppers are the least hot when picked 80 days after maturity
Dihydrocapsaicin and capsaicin are two major pungent and spicy components of peppers that contribute to the pepper's flavor.In the peppers, the concentration of these flavor molecules is determined. Dihydrocapsaicin concentration is higher in the seeds of the habenero pepper thahttps://brainly.com/question/921294 in the flesh.
Capsaicin is always present in higher concentrations than dihydrocapsaicin, which is true. However, dihydrocapsaicin concentrations do not rise and fall more rapidly than capsaicin concentrations, which contradicts the data.
Learn more about peppers at:
https://brainly.com/question/921294
#SPJ11
PLEASE HELP ME WHATS THE ANSWER
Answers
Answer:
Oxidation of rocks (rusting)/Chemical weathering