Answer:
ADP is converted to ATP for the storing of energy by the addition of a high-energy phosphate group. The conversion takes place in the substance between the cell membrane and the nucleus, known as the cytoplasm, or in special energy-producing structures called mitochondria.
Explanation:
What types of light can plant cells absorb? Select 3 answers to get this correct.
What effects will be manifest in an extremely small population with little to no migration?
An extremely small population with little to no migration can have several effects.
These effects include an increased risk of genetic drift and inbreeding depression.
Genetic drift: Genetic drift is a random change in allele frequencies that occurs in small populations. Since smaller populations have less genetic variation, genetic drift is more common. Genetic drift can reduce genetic diversity in a population, which can lead to the fixation of deleterious alleles.
Inbreeding depression: Inbreeding depression is a loss of fitness that occurs when closely related individuals mate and produce offspring. Inbreeding depression can occur when a population becomes small and isolated, and the mating pool is reduced. Inbreeding depression can lead to reduced fertility, increased susceptibility to disease, and lower survival rates.
Additionally, inbreeding depression can reduce genetic diversity in a population, which can make it more susceptible to environmental change. Therefore, an extremely small population with little to no migration can lead to an increased risk of genetic drift and inbreeding depression.
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Which of the following would not be considered a microhabitat?
a
a rotting log
b
an ant hill
c
the Amazon rainforest
d
your back yard
Answer:
D. your backyard
Explanation:
A microhabitat is a small area which differs somehow from the surrounding habitat. Its unique conditions may be home to unique species that may not be found in the larger region and the backyard does not relate to this definition
A researcher using random assignment:
a
puts half the group in the dependent variable group and half in the independent variable group in a random way.
b
places participants in the sample group or the population group randomly.
c
assigns participants to the experimental and control groups by chance.
d
gives half the sample the dependent variable and doesn't give anything to the other half.
AAnswer:A
Explanation:because why not
You find a fossil in your backyard. 12% of the Carbon 14 isotope is remaining. How old is the fossil?
Answer:
16,250 years (plus or minus (±) 10 years)
The level of carbon dioxide in the blood is monitored by nerve tissue. If you exercise strenuously, the increase in cellular respiration consumes oxygen from the blood and produces surplus carbon dioxide removed in the blood. Since this physical exertion requires faster breathing to replenish oxygen supplies and carry away carbon dioxide, the carbon dioxide sensors result in signals from the brain to increase breathing rate. After you have rested, and carbon dioxide levels are back to normal, your breathing rate decreases too. This is an example of
Answer:
Negative feedback.
Explanation:
The normal carbon dioxide levels after resting, the breathing rate also decreases which is an example of negative feedback because the body moves towards stability or equilibrium conditions. There is a direct relationship between breathing rate and carbondioxide levels means if one is increases the other automatically increases in order to maintain homeostasis in the body so we can say that this relationship is very important to maintain .stability in the body
True or False? All mutations have a negative effect on a population of organisms.
Answer:
False, I believe. Mutations sometimes might have an effect that helps the population. Example: I've heard of Two-Headed snakes, and even seen some on the internet. They live their lives just fine, so I suppose the mutation was actually quite helpful.
Answer:
false
Explanation:
The overriding problem with both theories of muscle growth, hypertrophy and hyperplasia, is that __________. A. neither can be accepted as correct because muscles growth is difficult to study in humans B. neither one is theoretically possible C. neither has been studied by reputable scientists D. neither has been accepted by member of the fitness community Please select the best answer from the choices provided.
Answer: A. neither can be accepted as correct because muscles growth is difficult to study in humans.
Explanation:
Hypertrophy can be defined as the increase in the fiber size of the muscle whereas the hyperplasia can be defined as the increase in the number of muscle fibers. Additionally the hypertrophy suggests that adding more proteins to the fibers is suggestive of the growth of the muscles. But these two theories cannot be directly related to the muscle growth in humans as the development and growth of muscles are dependent upon several factors like diet, any kind of disease which restrict the muscle growth and movement, physical activities, mineral availability responsible for growth, malnutrition, and others.
Answer:
A
Explanation:
Some evidence that vaccines are effective.
Answer:
Vaccines prevent diseases, its just proven. Most Anti Vaccers end up getting Measles, etc. But people with vaccines usually dont.
Explanation:
we are living proof to be honest, i got the chicken pox vaccine and never had it once in my life. Same thing with many other diseases we get vaccinated for.
Saxitoxin is a paralytic shellfish poison. It inhibits permeability of sodium ions by acting as an antagonist at the receptor site. Predict the effects of saxitoxin?
A :
inhibits release of ACh
B :
increases muscle action potentials
C :
blocks muscle action potentials
D :
increases release of ACh
As saxitoxin inhibits the permeability of sodium ions by acting as antagonists, it will block the muscle action potential. Thus, the correct option is C.
Upon arrival of nerve impulse, acetylcholine is released from the synaptic end bulbs into the synaptic cleft. When acetylcholine binds to the receptor, it causes opening of ion channel which causes the inward movement of sodium ions into the muscle fibre. This triggers a muscle action potential.
Thus, if sodium ions are inhibited from flowing inwards by saxitonin, the muscle action potential will not occur.
Thu, the correct option is C.
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What do you think of when you hear the word "energy?"
I
(Pls somebody answer)
Why do hydrogen atoms form a molecule but helium atoms do not?
Answer:
Explanation:
In terms of old school electron shells - One Hydrogen atom on it's own has an empty shell, and therefore to fill the shell it needs another electron. In the case of Helium, it already has two electrons at the same energy level - so it cannot accept any new electrons i.e. it cannot form new bonds.
Answer:
Hydrogen atoms can form a molecule as 2 hydrogen atoms together can result in a low energy combination of 2 electrons of the same energy level.
Explanation: Helium atoms already have 2 electrons of the same energy so therefore it cannot accept more.
(f) would you recommend using the model found in part (a) to predict the bone mineral density of a woman who consumes two cans of cola per day? why?
The model found in part (a) can not be used to predict the bone mineral density of a woman who consumes two cans of cola per day. To write the least-squares regression equation, and then use this equation to predict the bone mineral density for a woman weighing 68 kg.
Firstly, it is noteworthy that the predictor variable in the given regression model is "weight (kg)". In other words, the model is built on the association between the weight of women and their bone mineral density. Therefore, the independent variable in the regression model is "weight", not "consumption of cola".You can not use this model to predict the bone mineral density of a woman who consumes two cans of cola per day because the regression model does not involve the variable "consumption of cola". Since the given regression equation is solely built on the association between weight and bone mineral density, using this model to predict bone mineral density for a woman who consumes two cans of cola per day would lead to unreliable results.
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what is the relationship between abrasion and the hardness of a rock mineral?
Answer:
Hardness (H) is the resistance of a mineral to scratching. The degree of hardness is determined by observing the comparative ease or difficulty with which one mineral is scratched by another or by a steel tool.
Explanation:
https://www.britannica.com/science/mineral-chemical-compound/Hardness Hope this helps
Many plant responses are controlled by
which
are molecules that can effect plant growth.
Answer: true
Explanation:
How is RNA different from DNA?
A. DNA is double stranded, contains uracil, sugar is ribose
B. DNA is single stranded , contains thymine , sugar is deoxyribose
C. RNA is single stranded, contains thymine , sugar is ribose.
D. RNA is single stranded , contains uracil , sugar is ribose
Answer:
D. RNA is single stranded , contains uracil, sugar is ribose
Answer:
D. RNA is single stranded , contains uracil , sugar is ribose
Explanation:
RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose
Implantation Which of the following sequences correctly describes prenatal development? A. blastocyst implants in uterus, zygote forms, heart begins beating, lungs can breathe air, sex organs become visible B. blastocyst implants in the uterus, zygote forms, heart begins beating, sex organs become visible, lungs can breathe air C. zygote forms, blastocyst implants in the uterus, heart begins beating, sex organs become visible, lungs can breathe air D. zygote forms, blastocyst implants in the uterus, sex organs become visible, heart begins beating, lungs can breathe air 3. Which of the following correrti
Explanation:
A because in the pental development the men and women sex others for there fun and baby in this ara
how was science relevant to the world
Answer:
Science helped create almost everything today, medicinces,drought resistant food, technology, further education in doctoring, electricity etc.
Explanation:
Newyork is near 40 degrees N. What general direction is air moving in Newyork
Answer:
The air in New York moves to the north.
Explanation:
At a global level, it occurs unequal warming of the atmosphere, which depends on many factors and varies with latitude. These temperature differences occur because solar radiation reaches the earth differently at different latitudes degrees. The result is the formation of convective cells of atmospheric air circulation: Hardley cell, Ferrel cell, and Polar cell.
The term convective cell refers to air getting warm, expanding, getting less dense, and ascending. During ascension, it gets colder because of the change in high, contracting, becoming thicker. Finally, it descends.
In each hemisphere, warm air ascends at the equator and approximately at 60º latitude. Cold air descends at approximately 30º latitude and the poles. These air masses circulation generates superficial winds that blow toward the equator between 0º-30º, and toward the poles between 30º-60º lat.
Ferrel cell occurs between 30º and 60º latitude. At 30º lat, the cold air coming from the north in the tropopause meets the cold air coming from 0º, and both descend to lower altitudes due to its density and low temperature. When these air masses reach the ground, they diverge. One part goes to 0º lat, while the other part goes forward to the north. As it moves north, it gets warmer for being at lower altitudes. At 60º, this warm air coming from the 30º meets the polar air coming from 90º, and as it is warmer it ascends again. When it ascends to the tropopause, it is pushed by new air and moves to the south again. While doing so, it loses heat and becomes denser, descending again at 30º. And so the cycle starts all over again. New York is located at 40º latitude approximately, so air goes forward to the north pole near the ground, but at 60º it elevates again. New York is then affected by the Ferrel cell.
In the attached image you will find the three cells, circulating in different directions.
The regulation of body temperature is a contributor to homeostasis. What body
system is responsible for this?
Digestive System
Musculoskeletal System
Nervous System
Circulatory System
Answer:
its the nervous system and the endocrine system
Explanation:
the nervous and the endocrine are the bodys main regulators
During summer in the Northern Hemisphere,
A. the Sun rises in the Southeast and sets in the Southwest.
B. the Sun appears lower in the sky than during other seasons.
C. there are fewer hours of visible sunlight each day than during other seasons.
D. the Sun rises earlier and sets later than during other seasons.
Answer:
B the sun appears lower in the sky
In an effort to control his blood glucose levels, jose is counting grams of which macronutrient?
To control his blood glucose levels, Jose is likely counting grams of carbohydrates.
Carbohydrates are one of the three macronutrients, along with proteins and fats. Carbohydrates have the most significant impact on blood glucose levels as they are broken down into sugar (glucose) during digestion. When carbohydrates are consumed, they are converted into glucose, which is then absorbed into the bloodstream, leading to an increase in blood glucose levels.
By counting grams of carbohydrates, Jose can monitor and regulate his carbohydrate intake to manage his blood glucose levels. This can be particularly important for individuals with conditions such as diabetes, where controlling blood sugar levels is crucial for maintaining overall health and managing the condition effectively.
It's worth noting that other macronutrients, such as proteins and fats, also play a role in overall nutrition and may have an impact on blood glucose levels to a lesser extent. However, carbohydrates have the most significant and direct influence on blood glucose, making them the primary macronutrient of focus when it comes to blood glucose control.
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ever since i learned that your brain can see your nose but ignores it i cant stop seeing my nose and its getting annoying pls help
The recipe for beef stew calls for 1/4 teaspoon of pepper for every 3 potatoes. If 9 potatoes are used, how much pepper is needed?
Which proportion represents this problem?
StartFraction one-fourth over 3 EndFraction = StartFraction 9 over p EndFraction
StartFraction one-fourth over 3 EndFraction = StartFraction p over 9 EndFraction
StartFraction one-fourth over 9 EndFraction = StartFraction 3 over p EndFraction
StartFraction one-fourth over p EndFraction = StartFraction 9 over 3 EndFraction
When using 9 potatoes in the recipe, 3/4 teaspoon of pepper is needed.
The correct proportion that represents this problem is:
StartFraction one-fourth over 3 EndFraction = StartFraction p over 9 EndFraction
To solve the problem, we need to find the value of p, which represents the amount of pepper needed when using 9 potatoes.
The given information states that the recipe calls for 1/4 teaspoon of pepper for every 3 potatoes. Therefore, the ratio of pepper to potatoes is 1/4 teaspoon per 3 potatoes.
We can set up a proportion where the ratio of pepper to potatoes remains the same:
StartFraction one-fourth over 3 EndFraction = StartFraction p over 9 EndFraction
Now, we cross-multiply:
3p = 9 [tex]\times[/tex] (1/4)
3p = 9/4
p = (9/4) / 3
p = 9/12
p = 3/4
Therefore, when using 9 potatoes in the recipe, 3/4 teaspoon of pepper is needed.
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Roan cattle are heterozygous hybrids of a cross between a white bull (WW) and a red cow (RR).
If a roan bull were crossed with a red cow, what would be the possible phenotypes of thelr offspring?
a
1 Red; 2 White: 1 Roan
b
O Red: 2 White: 2 Roan
c с
2 Red: 0 White; 1 Roan
d
2 Red: 0 White; 2 Roan
A device uses wire stretched across a fault to measure horizontal movement of the ground is called a
Answer:
c. Tiltmeter.
hope this helps you☺️☺️
Answer:
tiltmeter
Explanation:
i looked it up and got it right..
can someone please answer this for me?
Answer:
50 %
Explanation:
Using a punnets square the four possible crosses are Hh, Hh, hh, and hh. This means there is a 50% chance the child has hh or hemophilia
Innate immunity and acquired immunity are both _____. See Concept 43.1 (Page 953) View Available Hint(s) Innate immunity and acquired immunity are both _____. See Concept 43.1 (Page 953) dependent on surface secretions from sebaceous and sweat glands, which give the skin an acidic pH that is unfavorable for bacterial colonization based on the trapping of microbes by mucus dependent exclusively on cell-mediated responses characteristics of all vertebrate animals dependent on tears, saliva, and mucous secretions that contain lysozyme, an enzyme that digests bacterial cell walls
Answer:
The correct answer is - characteristics of all vertebrate animals.
Explanation:
Innate immunity is the first line of the immune system that comes with birth whereas adaptive or acquired immunity is the immunity that comes throughout life by experiencing or developing the immune system. Adaptive or acquired immunity is the immune response that comes through cell-mediated responses whereas innate immunity is the immune response that includes sweat glands and secretion from the skin. innate immune responses also include digesting and killing bacteria by the saliva, enzymes, lysozymes.
The only characteristic among these that present in both is that they both immune systems found in all vertebrates.
discuss morphology of cells and the factor it plays in general function and structure.
Cell morphology plays a significant role in the general function and structure of cells by providing mechanical support and protection, cellular interactions, etc.
Here are some key aspects of how cell morphology influences cellular function and structure:
1. Surface Area-to-Volume Ratio: The size and shape of a cell determine its surface area-to-volume ratio. This ratio is crucial because it affects the exchange of materials and energy between the cell and its environment. Cells with larger surface areas relative to their volume have more efficient nutrient uptake, waste removal, and gas exchange. Thus, the morphology of a cell can directly impact its metabolic activities and overall functionality.
2. Specialized Structures and Organelles: The morphology of a cell can be specialized to perform specific functions. For example, the elongated shape of nerve cells (neurons) allows for the transmission of electrical signals over long distances. Muscle cells have a unique elongated and contractile morphology that enables them to generate force and facilitate movement. Epithelial cells have a flattened shape, which optimizes their arrangement in layers for barrier functions and selective absorption or secretion. Thus, the morphology of cells often aligns with their specific roles and functions within tissues and organs.
3. Cellular Interactions: Cell morphology plays a role in cell-cell interactions and the formation of tissues and organs. Cells with specific shapes and adhesive properties can adhere to each other, forming tight junctions or adherens junctions, which are critical for tissue integrity and function. In some cases, cells extend projections like filopodia, lamellipodia, or pseudopodia, which enable cellular movements, such as migration or engulfment of foreign particles. These cellular interactions and movements rely on the morphological characteristics of the cells involved.
4. Sensory and Signaling Functions: Cell morphology can influence sensory and signaling processes. In sensory cells like photoreceptors in the retina or taste receptor cells, the specific morphology and arrangement of specialized structures, such as cilia or microvilli, enhance the detection of specific stimuli. Similarly, the morphology of cells involved in cell signaling, such as neurons or endocrine cells, is optimized to receive, transmit, or secrete chemical signals efficiently.
5. Mechanical Support and Protection: The shape and structure of cells can provide mechanical support and protection to tissues and organs. Cells like fibroblasts or chondrocytes secrete extracellular matrix components that form a structural framework, giving tissues elasticity or rigidity. Epithelial cells lining the surfaces of organs form barriers that protect underlying tissues from external insults or pathogens. The morphological features of these cells contribute to their mechanical support and protective functions.
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Which statement is accurate about natural selection?(1 point) A. Natural selection cannot inactivate genes. B. Natural selection does not impact reproduction rates. C. Natural selection does not change the alleles an organism has. D. Natural selection cannot occur through mutations.
Answer:
B
Explanation:
The correct option is "B" Natural selection does not impact reproduction rates according to the theory of Natural selection.
What are the factors of natural selection?Natural selection is the process through which populations of living organisms adapt and change. There are four factors are required for natural selection are reproduction, heredity, variation in fitness or organisms, variation in individual characters among members of the population.
Hence, the option is "B" Natural selection does not impact reproduction rates according to the theory of Natural selection.
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