At the onset of a bout of exercise, tissue carbon dioxide levels briefly increase due to elevated aerobic respiration.
Your body needs more oxygen and creates more carbon dioxide while you exercise because your muscles are working harder. Your breathing must rise from about 15 times per minute (12 litres of air) at rest to between 40 and 60 times per minute (100 litres of air) during exercise in order to meet this additional demand.
Increased gas exchange at the lungs occurs as a result of aerobic energy production in muscles because more oxygen and carbon dioxide are taken in. These metabolic gases are transported to and from your tissues by your blood.
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Bc 8 science book page 105
PLEASE HELP!!!!! I WILL GIVE POINTS
The location of transcription is nucleus, it is the conversion of DNA to m-RNA and it occurs first in the sequence. The location of translation is ribosome, it is the conversion of m-RNA to protein and it occurs later in the sequence.
Ribosome is a nucleoprotein. It is a machinery designated for the synthesis of protein. The ribosome can be found freely lying on the cytoplasm or it can be attached to the wall of ER forming the rough ER. There are two subunits of ribosome: a smaller subunit and a larger subunit.
m-RNA stands for messenger RNA. It is the coding RNA that carries the information of DNA and encodes it for the synthesis of protein. m-RNA is a single-stranded molecule.
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Why might checking your reflex
health be important?
Answer:
to see if there is any brain or nervous system problem
Brian's friend Jasmine has a skateboard that she likes to ride home from school. If the combined mass of Jasmine and the skateboard is 60 kg, and the net force acting at the height of her jump (see picture below) is 30 N, what is the acceleration at the height of the jump?
Answer:
a = 0.5 m/s²
Explanation:
Given data:
Mass of skateboard and jasmine = 60 Kg
Net force = 30 N
Acceleration = ?
Solution:
Acceleration can be determine through following formula,
F = m × a
a = F/m
Unit:
The unit of acceleration is m.s⁻².
Now we will put the values in formula.
a = 30 N/60 kg
a = 30 Kgm/s² / 60 kg
a = 0.5 m/s²
Explain why tate of diffusion of carbon dioxide increases during exercise
Answer:
Hi
Please mark brainliest ❣️
Explanation:
When the body undergoes exercise, your body needs more energy, which means your tissues consume more oxygen than they do at rest.
Consuming more oxygen means you will also produce more carbon dioxide because your metabolic rate is elevated.
Answer:
During exercise, blood spends up to half the normal time (one second at rest) in the pulmonary capillaries due to the increase in cardiac output moving blood around the body more quickly.
Explanation:
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How do bile salts help in digestion?
Which of the following is not one of the four main tissue categories?
A) muscle
B) neural
C) bone
D) connective
Answer:
c Bone
Explanation: There are 4 basic types of tissue: connective tissue, epithelial tissue, muscle tissue, and nervous tissue.
Based on these numbers, how many Calories come from fat and does this food meet Cecilia’s requirement?
Based on the table, there are 108 calories from fat so this does not meet Cecelia's requirement (option B).
What are fat calorie requirements?Fat calorie requirements makes reference all calories provided by fats on a daily basis. Fats are a fundamental macronutrient that must be consumed in the diet because there are many vitamins that only we can absorb in the presence of fats (liposoluble vitamins).
Therefore, with this data, we can see that calories from fats must be approximately 20 percent of the total of ingested calories on a daily basis.
Complete question:
Cecilia is looking at a nutrition label on a package of macaroni and cheese. She is trying to eat foods that have less than 25% of the total calories from fat. She knows that 1 gram of fat provides 9 Calories. The label shows this information: Total Calories per Serving 400, Total grams of fat 12g
Based on these numbers, how many Calories come from fat and does this food meet Cecilia's requirement?
There are 48 Calories from fat, so this does not meet Cecilia's requirement.
There are 108 Calories from fat, so this does not meet Cecilia's requirement.
There are 48 Calories from fat, so this does meet Cecilia's requirement.
There are 108 Calories from fat, so this does meet Cecilia's requirement.
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The graph below shows the relative rates of enzyme
activity at different temperatures during a chemical
reaction.
Relative rate of
enzyme action
0 10
20 30 40 50 60
Temperature (°C)
According to the graph, what condition is best for enzyme activity?
OA. A temperature of about 25°C
B. A temperature above 30°C
OC. A temperature below 20°C
D. A temperature of about 0°C
The graph shows that the condition that is best for enzyme activity is A. A temperature of about 25 ° C
What temperature is best for enzymes ?This is because the graph shows that the rate of enzyme activity increases as the temperature increases from 0°C to 25°C. However, the rate of enzyme activity decreases as the temperature increases above 25°C. This is because the enzyme denatures at high temperatures, which means that it loses its shape and function.
The optimal temperature for enzyme activity is different for different enzymes. The optimal temperature for the enzyme in the graph is 25°C.
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The correct answer is A.
From the given graph, the condition that is best for enzyme activity can be inferred as the temperature of about 25°C.
Enzymes are organic molecules that act as catalysts and aid the biochemical reactions that occur in living organisms. Enzymes usually function under specific optimal conditions, including temperature, pH, and salt concentration. Changes in these conditions may affect the enzyme's performance and ultimately cause a decrease or cessation of the reaction's activity.Temperature, in particular, has a significant effect on enzyme activity. The reaction rate increases as the temperature rises until it reaches the optimum temperature, where the enzyme activity is at its peak. As a result, the optimum temperature promotes the highest possible reaction rate, while high or low temperatures may reduce the enzyme's efficacy and cause a decrease in the reaction rate.According to the graph, the optimum temperature for the enzyme activity is approximately 25°C. At 25°C, the relative rate of enzyme activity is maximum, indicating that the enzyme performs optimally at this temperature. In contrast, a temperature of about 0°C would be too low, causing the enzyme to freeze and become inactive. A temperature above 30°C would still be high, causing the enzyme to denature and lose its activity. Lastly, a temperature below 20°C would be too low, causing the enzyme to become inactive due to a lack of energy. Therefore, the optimal temperature for enzyme activity is 25°C.For such more questions on enzyme
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A student found a grasshopper in their backyard and wanted to take it to school to show the teacher the next day. Thestudent put the
grasshopper in a sealed container overnight to keep it from hopping away. When the student opened the container the following day, the
grasshopper was dead. Which best describes what organelle in the grasshopper's cells was unable to perform properly for the grasshopper
to stay alive as a result of being kept in a sealed container overnight?
Answer options:
The nucleus was unable to provide instructions for the other organelles in the cells. The mitochondria were unable to undergo cellular respiration and could not produce energy for the cells to function. The lysosomes were unable to remove waste from the cells. The cell membrane was unable to allow substances to enter and exit the cells.Answer:
The mitochondria were unable to undergo cellular respiration and could not produce energy for the cells to function.Explanation:
Mitochondria are the site of aerobic respiration. This is the process that produces energy in the form of ATP. ATP provides energy for all cellular processes. Without this energy, the cell cannot carry out its functions and will quickly die.
Aerobic respiration requires a good supply of oxygen, which the grasshopper would not have had in a sealed container.
Will Gatorade help a low sodium level?
What is it called when groups of organisms show a rapid rate of diversification in their form for a period of time?
Adaptive radiation
Extinction
Macroevolution
Speciation
The term for groups of organisms showing rapid diversification in their form for a period of time is "adaptive radiation."
The term that describes groups of organisms showing a rapid rate of diversification in their form for a period of time is "adaptive radiation." Adaptive radiation occurs when a single ancestral species gives rise to multiple descendant species, each adapted to different ecological niches or environments.During adaptive radiation, organisms exploit vacant ecological niches, leading to the evolution of diverse traits and adaptations. This process often occurs in response to significant environmental changes, such as the availability of new resources, colonization of new habitats, or following mass extinctions.Adaptive radiation can lead to the emergence of new species with distinct morphological, physiological, and behavioral characteristics. It plays a crucial role in shaping the diversity and complexity of life on Earth, resulting in the evolution of various species that are specialized to thrive in different ecological settings.For more such questions on Diversification:
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What process is represented by the equation?
6H₂0 + CO2 + light → C6H12O6 + O2
A Photosynthesis
B Cellular Transport
C Cellular Respiration.
D Protein Synthesis
Answer:
The process represented by the equation 6H₂0 + CO2 + light → C6H12O6 + O2 is photosynthesis.
Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose (C6H12O6). During photosynthesis, carbon dioxide (CO2) and water (H₂0) are combined in the presence of light to produce glucose and oxygen (O2). Photosynthesis is an important process that allows plants to produce their own food and is also a key source of energy for the Earth's ecosystems.
Corinne wants to find out how people in the Midwest feel about the topic of gun control. How can Corinne to find a sample that BEST representsthis region?OA. Choose subjects who are in one specific age group.OB Choose subjects who identify with different racial groups.Ос.Choose a very small sample of people from the same state.ODChoose a large sample of people who all are gun owners.ResetNextINTLEdimentum. All rights reserved
For Corinne to carry out a research that is as comprehensive as possible on the topic of gun control in the midwest, she should choose subjects who identify with different racial groups, since between the alternatives is the option with more variety of opinions. That's because all the
a convergent boundary is a location where tectonic plates move toward each other. which feature of the ocean floor is caused by one tectonic plate moving under another at a convergent boundary
a. a flat plain
b. a trench
c. a mid-ocean ridge
d. a continental shelf
Answer:
At convergent plate boundaries, oceanic crust is often forced down into the mantle where it begins to melt. Magma rises into and through the other plate, solidifying into granite, the rock that makes up the continents. Thus, at convergent boundaries, continental crust is created and oceanic crust is destroyed.
Explanation:
Answer: B. a trench
Explanation: I took the test and I also studied
“Natural selection is always the most powerful mechanism of evolution, and it is the primary agent of evolutionary change.” Is this statement correct? Explain.
The statement “Natural selection is always the most powerful mechanism of evolution, and it is the primary agent of evolutionary change” is NOT correct because non-adaptive mechanisms of evolution such as genetic drift and founder effects may also shape the genetic features of a given species in a region.
What are the non-adaptive mechanisms of species evolution?Non-adaptive mechanisms of species evolution may be defined as all types of phenomena associated with migration, restrictions of gene flow and also natural catastrophes which are able to shape the genetic features in a given population.
For example, finches in the Galapagos island are adapted to survive specific environmental conditions and therefore genetic diversity may be lower than in competitive regions.
Therefore, with this data, we can see that non-adaptive mechanisms of species evolution such as genetic drift are able to shape the genetic traits of individuals according to the region.
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Which statement is true?
As evidence changes, scientific theories can also change.
Scientific theories only involve finding evidence to explain phenomena.
Scientific theories describe natural phenomena, whereas scientific laws explain natural phenomena.
If a single study or inference is wrong, a scientific theory can be invalidated.
The statement that as evidence changes, scientific theories can also change is true. The correct option is A.
What is a scientific theory?A scientific theory is a formalized explanation that accommodates a scientific hypothesis and scientific laws to explain a group of facts or phenomena in the natural world.
The scientific definition of a theory differs from the definition most people use in everyday conversation.
As new evidence and perspectives emerge, accepted theories may be modified or overturned.
Scientists are more likely to accept a new or revised theory if it explains everything the previous theory did and more.
Thus, the correct option is A.
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Answer:
The statement that as evidence changes, scientific theories can also change is true. The correct option is A.
Explanation:
What reproductive adaptation enabled animals to better survive on land
Answer:
amniotic eggs
Explanation:
Four equal strips A B C and D were cut from a potato whose cell sap concentration was 28.5%sugar. The strips were placed in sugar solutions of different concentrations as follows;A-10%,B-15%,C-25%,D-35%. 1.What changes would you expect in strips A and D? 2.Account for the changes in A and D.
Answer: The concentration of sugar in solution D is 35%. Solution D is a hypertonic solution as the solute concentration is more than the potato cell concentration. Therefore, water will move into the cell to equalize the osmotic pressure gradient between the cell and the solution. Hence, strip D will swell.
Explanation:
25 points
Complete the sentence. Carbon flows between ____________, environmental storage centers that absorb and store carbon for long periods of time.
plants and animals
humans and air
rocks and soil
carbon sinks
Carbon is transfered by plants and animals.
Carbon flows between plants and animals, environmental storage centers that absorb and store carbon for long periods of time. Thus, the correct option is A.
What is Carbon cycle?Carbon cycle is one of the main biogeochemical cycles which has four main steps. In this first, carbon enters into the atmosphere as CO₂. CO₂ is absorbed by the autotrophs such as green plants for photosynthesis. Then, the animals consume plants as food, thereby, incorporating the carbon into their system. Afterwards, animals and plants die, their bodies decompose and the carbon is reabsorbed back into the atmosphere.
In this, plants use carbon dioxide for photosynthesis. Through this, they remove the inorganic carbon from the atmosphere and incorporate it into the plant's tissues in the form of sugars such as glucose, sucrose and starch. Animals get carbon by eating the plants or by hunting other animals.
Therefore, the correct option is A.
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Sugar is obtained from which plant
ANSWER
sugar cane, and sugar beets
Explanation:
sugar . It can be extracted from the above plants(sugarcane,sugar beets).it can as well as be obtained in a labatory. But labatory sugar isn't fit for consumption!
Answer:
Sugar cane and sugar beets
butterfly ecosystem services
The butterfly sucks the juice out of the flower to eat the butterfly can fly up to 12 to 14 hours. I think that is right
a. describe three factors that make up the abiotic environment of a tropical forest ?
b. describe briefly how two of these factors interact?
c. give an example to show how an organism living in a tropical rain forest adapts to one of these factors?
Answer:
c
Explanation:
I hope this helps you have a good day
Need help on these too. (I’d appreciate if you answer at least some questions)
Answer:( answer for number one) an essential nutrient for the production of amino acids, proteins, nucleic acids. ( number 2 ) for the growth, maintenance, and repair of all tissues and cells, and for the production of the genetic building blocks, DNA and RNA
Which organ system is responsible for coordination and integration of bodily functions as well as detecting changes inside and outside the body
According to the question, the answer is endocrine system it works with the nervous to control the internal organs it helps with regulation of the body hormones growth and reproduction.
What are 3 main functions of the endocrine system?Makes Hormones for Mood, Development, and Growth. Many different vital hormones are created and controlled within the endocrine system.Sends Hormones into Your Bloodstream.Regulates the Release of Hormones.Thus, endocrine system it works with the nervous to control the internal organs.
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when birds inhale, air enters sacs around the lungs. When air is exhaled, it travels in tubes called alveoli through the lung. This shows how the __________ system of birds works.
A. Respiratory
B. Nervous
C. Reproductive
D. Digestive
E. Circulatory
What is the purpose of the model ?
Answer:
2023 model s there u go my guy
What is the definition for vacuole and Chlorophyll?
Answer:
Some bacteria perform photosynthesis, but their chlorophyll is not relegated to an organelle. Vacuoles. Vacuoles are membrane-bound sacs that function
sorry if it is not right
Answer the following questionsi. Identify the structure labelled A in the diagram. ii. Identify the structure labelled B in the diagram. iii. What do mosses and liverworts have in common iv. Define a protonema
To answer the following questions we have:
I - seta and capsule are the structures labelled A in the diagram;
II - sporophyte is the structure labelled B in the diagram;
III - The mosses and liverworts have in common the fact that both are small, primitive, and non- vascular plants, that don't have conductive tissues and absorb the water directly by osmosis made by its cells;
IV - protonema is a thread-like structure that is made of a chain of cells that forms the early stages of a gametophyte (n) in the reprodutive cycle of the mosses.
Can you check this to make sure this is correct?
As Earth revolves around the Sun, it causes seasons. This is because of Earth’s tilt which causes sunlight to hit the earth in different ways which results in direct and indirect sunlight. When the Northern Hemisphere is tilted towards the Earth, the sunlight is direct causing summer and more daylight hours. When the Northern Hemisphere is tilted away from the sun, the sunlight is indirect causing winter and fewer daylight hours. During fall and spring, the Earth isn’t tilted toward or away from the sun and the amount of daylight and nighttime hours are about the same.
Answer:
that looks good to me. good job