Once blood delivers oxygen, what does it pick up from cells on its way back to the heart?
nutrients
nitrogen
carbon dioxide
Answers
Answer:
Your answer is C) Carbon Dioxide.
Answer:
I'm fairly sure its carbon dioxide .
Related Questions
A pattern of complex heredity where there are more than two alleles in a population
Answers
A pattern of complex heredity where there are more than two alleles in a population is referred to as polymorphism.
What is polymorphism?Polymorphism in biology refers to the occurrence of multiple forms or morphs of a species in a single population. Polymorphism can be a result of genetic variations, environmental factors, or a combination of both.
It is the presence of more than two alleles in a population that are responsible for the same characteristic. This can result in variations in physical appearance, behavior or other traits in a population. The separation of most higher organisms into male and female sexes is the most obvious example of this.
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The complete question is:
A pattern of complex heredity where there are more than two alleles in a population is called?
which type of microtubule is conncected to another microtubule which orginates from a different centrosome
Answers
The type of microtubule that is connected to another microtubule, which originates from a different centrosome is called the astral microtubule. Astral microtubules are a subset of microtubules that extend outward from the centrosomes, which are major microtubule organizing centers located near the nucleus of the cell.
Microtubules are hollow cylindrical tubes that are approximately 25 nm in diameter and several micrometers long. They play a vital role in cell division, cellular structure, and intracellular transport. They have a specific orientation and arrangement that is crucial for their proper functioning. Astral microtubules play essential roles in organizing and positioning the mitotic spindle during cell division. They help determine the proper alignment and separation of chromosomes during mitosis and meiosis.
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Climate change as well as other human-driven environmental changes continue to cause loss of biodiversity in the coming decades in addition to high rates of species extinctions. Biodiversity is a term that can be used to describe biological diversity at a variety of different scales, but for now let's consider species diversity. Each rectangle represents a plant community containing individuals of various species indicated by color and the total number of individuals corresponds to the productivity of the ecosystem. Based on trends illustrated by the images, what conclusions apply? Choose ALL that are appropriate.
A) While species may fluctuate, biomass remains constant. B) The green species increases in abundance during warm years. C) The productivity of the ecosystem decreases as the climate changes. D) Invasive species, represented by red, move in and displace native species. E) Decrease in one species is compensated for by an increase in another species.
Answers
Answer:
A, B, E
Explanation:
the answer is a, b , and e . hope this helps
Long-term modifications in global weather patterns brought on by an increase in heat-trapping gases like carbon dioxide and nitrous oxide are referred to as climate change. Thus option A,B, E is correct.
What Climate change, human-driven environmental change?There are connections between how climate change affects different societal groups. Drought can be harmful to both human health and food production.
Extreme weather events like heatwaves, storms, and floods are also becoming more often.
The disruption of food systems, rise in zoonoses and food-, water-, and vector-borne diseases, as well as mental health problems are all significant effects of climate change on health.
Therefore, flooding has the potential to spread illness and harm infrastructure and ecosystems. Issues with human health can raise mortality, impact the availability of food, and reduce worker productivity.
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When the concentration of water is greater outside the cell, the water will -
a
move into the cell
move out of the cell
b
оооо
С
not move at all
dissolve
Answers
In DNA, the nitrogen bases pair up. The correct pairing is __________ with _________, and ________ with _________. *
Answers
Answer:
In DNA nitrogenous base pairs shows complementary base pairing. The complementary base of Guanine is the cytosine, while adenine pairs with thymine. Thus option E is the correct answer
Why does the lethal “b” allele affect more males than females?
Answers
In female mammalian cells, one X chromosome of the two would undergo random inactivation early in embryonic life, and therefore both males and females have a single active Y. with this the disease has a predilection in men because women do not carry the Y gene
What are the consequences of lethal alleles?Recessive lethal alleles cause death when they are homozygous. Death occurs at the stage when the product of this gene is needed. If the gene in question is responsible for the synthesis of a particular protein in early childhood, for example, the organism will die at that moment.
With this information, we can conclude that Y chromosome, is what guarantees the development of a male embryo and the lethal “b” allele
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The cells of both unicellular and multicellular organisms carry out life processes. With respect to life processes, what advantage do multicellular organisms have over unicellular organisms? 1) Their cells reproduce more quickly. 2) Their life processes occur over a shorter time period. 3) Their cells can specialize in certain functions. 4) Their cell division is more efficient.
Answers
Answer:
Their cells can specialize in certain functions
Explanation:
This because multicellular organisms are organisms that are made up of several cells which aid it's complexity and lifespan. The cells in muiticellular organisms carries out specialise function or task which give them long lifespan. This long life span is achieved because of various cells that maintain their processes, the cells forms tissues, tissues to organs, organs to system and they all perform different specialized functions.
If the wicked witch of the west flew down and struck you with retrograde amnesia, you would be ________ to remember anything from before the incident and
Answers
If the wicked witch of the west flew down and struck you with retrograde amnesia, you would be not be able to to remember anything from before the incident.
What is Amnesia?Amnesia is a memory deficiency brought on by brain injury or disease, but it can also be momentarily brought on by the use of several sedatives and hypnotic medications. Depending on the extent of the damage, the memory may be completely or partially lost. Anterograde amnesia and retrograde amnesia are the two basic categories of amnesia.
The inability to recall knowledge that was learned before to a specific date, typically the date of an incident or procedure, is known as retrograde amnesia. While in some instances the person may just lose a few months' worth of memory, in rare circumstances the memory loss can go back decades. The inability to transfer new information from the short-term store into the long-term store is known as anterograde amnesia.
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Which group of marine animals lives mostly in tropical waters?
A) sirenians
B) pinnipeds
C) fissipeds
D) cetaceans
Answers
Answer: Sirenians
Explanation: Sirenians are usually found in shallow waters, as aquatic plants do not grow at significant depth where light is restricted.
An extreme shortage of food with chronic hunger is termed O muscle wasting O food insecurity. O nutrition insecurity.O famine.
Answers
An extreme shortage of food with chronic hunger is termed as famine.
Several things, such as conflict, natural catastrophes, crop failure, population imbalance, pervasive poverty, an economic catastrophe, or government policies, can lead to a famine, which is characterized by a severe lack of food. Regional hunger, famine, epidemics, and increased mortality are frequently present alongside or after this occurrence. Famines have occurred at various points throughout history on every inhabited continent.
Famine is a widespread phenomenon where a large number of people in a nation or region lack access to sufficient food supply. Malnutrition, hunger, sickness, and high death rates are the results of famines. Conflict, forced migration, persistent poverty, food insecurity, natural catastrophes, and climate change are just a few of the many variables that can contribute to famine. Acute malnutrition deprives children of vital vitamins and minerals needed for healthy growth, leaving them vulnerable to illness, serious developmental delays, and even death. Millions of kids are taken out of school and put to labor in famine-like conditions, begging on the streets and sometimes only eating once a day.
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which best describes what is occuring in this population of sqquirels
Answers
Answer:
Number of Squirrels Entering and Leaving a Population after 1 Year Cause of change Number of squirrels Died from predation 2 Born 4 Immigration 10 Left to find food 3 Died from disease 8 Left to find a mate 3 Population growth is decreasing.
Explanation:
A mechanism that generates musical vibrations and launches them into the air is called a(n) _____.
Answers
Mechanism that generates musical vibrations and launches them into the air is called an aerophone.
What is an aerophone?An aerophone is a musical instrument that generates sound by causing air to vibrate without the use of any type of strings or membranes and without the vibration of the instrument itself that add the sound. Whistles, blowholes, cup mouthpieces, reeds, organs, and the free aerophone are the six types of aerophones. With the vibration of air, the sound is produced which makes the mechanism of aerophones.
We know that many instruments make vibration when the musician strikes the strings. The trumpets, tuba, harmonica, horn, accordion, clarinet, piccolo, flute, saxophone, accordion and whistle are the examples of Aerophone. These instruments sound very good when they are played as a band as compared to sole performance.
So we can conclude that Mechanism that generates musical vibrations and launches them into the air is called an aerophone.
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6. Potential energy converts to Kinetic energy and Kinetic energy will convert to
Potential energy. Why does the total energy stay the same? *
The energy is not being created or destroyed: only transformed.
Total energy does not stay the same as some is always lost as heat.
Ο Ο
Energy stays the same because the energy has no where to go but in a system.
Answers
Answer:
The total amount of energy and matter in the Universe remains constant, merely changing from one form to another. ... Once the potential energy locked in carbohydrates is converted into kinetic energy (energy in use or motion), the organism will get no more until energy is input again.
which part of the brain plays a key role in forming and storing the implicit memories created by classical conditioning?
Answers
The part of the brain which plays a key role in forming and storing the implicit memories created by classical conditioning is the Cerebellum.
As well known, the central nervous system (CNS) is made up of the brain and spinal cord. The peripheral nervous system (PNS) on the other hand is composed of spinal nerves that branch from the spinal cord.
The brain is subdivided into 3 parts:
The Cerebrum which is the largest part of the brain and is composed of right and left hemispheres and is responsible for performing higher functions like interpreting touch, vision and hearing, as well as speech, reasoning, emotions, learning, and fine control of movement.The Cerebellum which is located under the cerebrum. Its function is to coordinate muscle movements, maintain posture, and balance. An additional function of the cerebellum is the formation and storage of memories created by classical conditioning.The Brainstem which acts as a relay means connecting the cerebrum and cerebellum to the spinal cord. It is responsible for many automatic functions such as breathing, heart rate, body temperature, wake and sleep cycles, digestion, sneezing, coughing, vomiting, and swallowing.Ultimately, The part of the brain which plays a key role in forming and storing the implicit memories created by classical conditioning is the Cerebellum.
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how many joules of energy are required to freeze 5 grams of water?
Answers
The specific heat capacity of water is approximately 4.18 joules per gram per degree Celsius, and the heat of fusion of water is approximately 334 joules per gram.
To freeze 5 grams of water, we first need to calculate how much heat energy is required to lower the temperature of the water from room temperature (around 25°C) to the freezing point of water (0°C). This can be calculated using the formula:
Q1 = m * c * ΔT
where Q1 is the heat energy required, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature.
Using these values, we get:
Q1 = 5 g * 4.18 J/g°C * (25°C - 0°C)
Q1 = 523.5 J
So, 523.5 joules of energy are required to lower the temperature of 5 grams of water from 25°C to 0°C.
Next, we need to calculate how much heat energy is required to freeze the water. This can be calculated using the formula:
Q2 = m * Hf
where Q2 is the heat energy required, m is the mass of the water, and Hf is the heat of fusion of water.
Using these values, we get:
Q2 = 5 g * 334 J/g
Q2 = 1670 J
So, 1670 joules of energy are required to freeze 5 grams of water.
Adding these two values together, we get the total amount of energy required to freeze 5 grams of water:
Qtotal = Q1 + Q2
Qtotal = 523.5 J + 1670 J
Qtotal = 2193.5 J
Therefore, it requires approximately 2193.5 joules of energy to freeze 5 grams of water.
According to the question, approximately 2192.5 joules of energy are required to freeze 5 grams of water.
The formula for determining the energy is as follows:
Q = m × C × ΔT.where Q is the heat energy required, m is the mass of the water which is 5g, C is the specific heat capacity of water which is 4.18 J/g/°C and ΔT is the change in temperature.
Now, Q = 5 × 4.18 × 25
= 522.5 J.
Now, we require to determine how much heat energy is required to freeze the water. This can be calculated using the formula:
Q = m × Hf
where Q is the heat energy required, m is the mass of the water, and Hf is the heat of the fusion of water.
Q = 5 g * 334 J/g
Q2 = 1670 J
Now, to find the total amount of energy which is required to freeze 5 grams of water:
522.5 J + 1670 J = 2192.5 J.
Therefore, approximately 2193.5 joules of energy are required to freeze 5 grams of water.
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The random change in allele frequencies often associated with small populations is known as
Answers
The random change in allele frequencies often associated with small populations is known as genetic drift. Genetic drift refers to the random fluctuations in the frequencies of alleles in a population that occur due to chance events, such as random mating, mortality, and migration.
Genetic drift tends to have a greater effect on smaller populations, as chance events can have a greater impact on the genetic makeup of the population. Over time, genetic drift can lead to the loss of certain alleles from a population, or the fixation of certain alleles, which can have important consequences for the evolution of the population.
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How can you get answers to questions like in science that are very involved?
Answers
The way to get answers to hipothesis scientists or students makes about their subject of interest, is to inquire and research it in their different aspects. Resea
Which kingdom does Paramecium belong to?
Answers
Answer: Chromista brainliest??
Explanation:
El oxígeno es el elemento químico que más hay en la atmósfera ya que es el que necesitamos para respirarVerdadero o Falso
Answers
Answer:
el químico que mas hay en la atmósfera es el nitrógeno. el oxígeno va de segunda lugar
ou observe flocks of house sparrows (passer domesticus) and document two foraging strategies: 1) individuals (producers) search for food patches and 2) individuals (scroungers) wait for producers to find food and then feed in the patches found by the producers. the relative frequency of these strategies differs in flocks, and you observe that the scroungers have a high feeding rate (higher fitness) when they are rare in a flock and low feeding rates when they are common in a flock. this is an example of
Answers
You observe flocks of house sparrows (Passer domesticus) and document two foraging strategies:
individuals (producers) search for food patches and individuals (scroungers) wait for producers to find food and then feed in the patches found by the producers.The relative frequency of these strategies differs in flocks, and you observe that the scroungers have a high feeding rate (higher fitness) when they are rare in a flock and low feeding rates when they are common in a flock. This is an example of a social-foraging strategy.
Social foragers use either a 'producer' strategy, which concerns searching for food, or a 'scrounger' strategy, which concerns joining with others for food findings. While producers depend on personal knowledge and experience, the inclination to scour as a producer is connected to being a sounder learner.
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what kind of molecule is most likely being injected into the mouse embryo? why do you think so?
Answers
The kind of molecule that is most likely to be injected into the mouse embryo is s known to be P4 injection as well as injection of estrogen.
How are they inserted into mice?In the time after an ovariectomy is done to the mice, a continuous P4 injection (Progesterone Injection) is known to help keep the dormancy of the embryos for a lot of days.
There is also the act of Priming with the use of estrogen injection and this is often done at a high concentration ( that is about >10 ng/mouse).
Note that after this, a regular injection of estrogen is also done at a low concentration to be able to induce the transition process.
Hence, The kind of molecule that is most likely to be injected into the mouse embryo is s known to be P4 injection as well as injection of estrogen.
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The cells in the nervous system that handle information processing are called? specialty cells. blood cells. synapses. neurons.
Answers
Option D: The cells in the nervous system that handle information processing are called neurons.
Nerve cells, often called neurons, are the building blocks of the nervous system. They interact with the information and transfer this information along various distances through electrical impulses. The nervous system is generally made up of two types of cells: nerve cells and glial cells. Glial cells are the supporting system of neurons. The nervous system is broadly divided into two categories:
The central nervous system (CNS) contains the brain and spinal cord
The peripheral nervous system (PNS) contains neurons and their parts such as sensory neurons and motor neurons.
Analysis of the information brought in by sensory neurons is done in CNS while PNS works as transportation for these signals from one neuron to another. Motor neurons carry the signals out of the CNS after analysis.
Information processing in the nervous system is handled by neurons or their parts like interneurons that connect one neuron to another in the CNS. These signals are then transferred by motor neurons to respond to stimuli.
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Photosynthesis uses sunlight to convert water and carbon dioxide into
A. oxygen
B. high-energy sugars (ie. glucose)
C. chloroplasts and oxygen
D. oxygen and high energy sugars (ie. glucoese)
Answers
Which of the following are homologous structures? A. The forelimb of a dog and the hindlimb of a cat
B. The mouth of a mosquito and the beak of a hummingbird
C. Wings of a butterfly and wings of a sparrow
D. The forelimb of a dog and the forelimb of a cat
Answers
Answer:
Explanation:
D. The forelimb of a dog and the forelimb of a cat
Determine the correct sequence of events during the creation of recombinant DNA.I. Plasmid is cut open with enzymesII. Target gene is cut out with enzymesIII. Plasmid is inserted into the bacteriumIV. Target gene is bonded to the plasmid with LigaseA. IV, III, I, IIB. I, II, III, IVC. IV, I, II, IIID. II, I, IV, III
Answers
The correct answer is D. II, I, IV, III. After ligating target gene within the plasmid, it must be inserted into a bacterium.
An organism which causes a disease
A.host
B. Vector
C. Parasite
D. Pathogen
Answers
Answer:
D. Pathogen
Explanation:
a bacterium, virus, or other microorganism that can cause disease
why are our intercostal muscles important
Answers
Please help me with this. All you ahev to do is just list a few features and behaviors of a sunflower.
Answers
Answer:
Features: Rough leaves in a long spiral pattern, Native to America
behaviors: heliotropism
Explanation:
Hypothesize about tumor growth. Scientists have shown that tumor growth is an example of positive feedback loops. Why is tumor growth an example of positive feedback? In your answer elaborate using the following terms stimulus, receptor, control center, effector, response.
Answers
Answer:
Tumor growth is a process associated with the expression of oncogenic genes
Explanation:
The tumor cells often share oncogenic receptors that are expressed during oncogenesis. For example, it has been shown that the epidermal growth factor receptor is often mutated in brain cancer cells, thereby encoding an oncogenic that is overactive. These receptors are responsive to stimulus of nearby cells and thus act as effectors that amplify tumorigenic signals. In consequence, during tumor progression, tumorigenic effector cells have an uncontrolled proliferation and antiapoptotic signals are predominant. The nucleus in the cell functions as a control center where tumor suppressor genes are transcribed to fight against such oncogenic cells.
tropism is a plants growth in response to a stimulus, like light, gravity, and water. these growth responses are controlled by plant hormones. gibberellins are hormones produced in the root tips of plants to stimulate the growth of shoots.
which system carries gibberellins produced in the roots to the rest of the plant?
a] dermal system
b] reproductive system
c] none of these
d] vascular system
Answers
Answer:d
Explanation: