The classic gate-control theory suggests that pain is experienced when small nerve fibers activate and open a neural gate in the spinal cord.
A mechanism in the spinal cord known as the "Gate Control Theory of Pain" allows pain signals to either be sent to the brain to be processed to intensify the potential for perceived pain or to reduce it in the spinal cord itself.
The "gate" is the mechanism that controls whether pain signals can pass through or not. The gate can either be "open" or "closed," either of which can occur:
Pain signals can pass through the gate if it is open, and they will be sent to the brain to make the pain feel real.
The perception of pain will be lost if the gate is closed, as pain signals will be prevented from reaching the brain.
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Question 23 of 35 Which phrase describes a plant spore but not a plant seed? A. Made of multiple cells B. Made in flowers C. Made of a single cell D. Made in cones
Answer:
the answer is C) made of a single cell
Give three examples of commons, and then list some resources available from each.
Answer:
air, water, and a habitable earth
Explanation:
the resources are oxygen from air, fish from water, and fruits, vegetables, meat, and herbs that can help with health.
If a DNA sequence reads 3 – ACTTGC – 5, then what is the matching sequence on the opposing strand?
Answer:
5' - TGAACG - 3'
Explanation:
Adenine base pairs with Thymine
Guanine base pairs with Cytosine
What were the results Mendel consistently identified in his experiment
The phylogenetic tree shown shows the evolutionary relationships among finches
What can be concluded from this diagram?
A. Warbler finches and cactus finches are the most closely related.
B. Tree finches and warbler finches are the least closely related.
C. No finches have a common ancestor.
D. Tree finches and cactus finches have a common ancestor.
The phylogenetic tree shown shows tree finches and cactus finches have a common ancestor. So, the correct option is D.
What is Phylogenetic tree?A branching diagram that depicts the evolutionary relationships between a set of creatures, species, or genes is called a phylogenetic tree, sometimes referred to as an evolutionary tree. On the basis of the similarities and contrasts in their physical or genetic traits, it depicts the evolutionary history of these groups.
We can draw the conclusion that cactus and tree finches are more closely connected to one another than they are to any other finch species on the tree. The diagram does not indicate if tree finches and warbler finches are more or less closely related to one another, or whether cactus finches and warbler finches are.
Therefore, the correct option is D.
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What does glycolysis produce for each glucose? (1 point)
1 ATP, 3 NADH, and 1 FADH2
2 ATPs and 2 NADH
4 ATPS, 6 NADH, and 2 FADH2
3 NADH and 1 FADH2
Answer:
2 ATPs and 2 NADH
glycolysis produce for each glucose?
Answer:
#2 - "2 ATPs and 2 NADH"
Explanation:
The endocrine system uses chemical messengers called *
-glycogen
-hormones
-starch
Answer:
hormones
Explanation:
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The punnets square shown presents a cross between two piranha. Both parents have large teeth. According to the chart which combination describes the offspring expected for the cross?
A) 50% large toothed 50% small toothed
B)75% small toothed and 25% large toothed
C) 75% large toothed and 25% small toothed
D) 100% large toothed
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EXTRA POINTS‼️‼️‼️
Answer:
15200
Explanation:
76,000 divided by 5
* will give brainliest*
Name an animal that both directly and indirectly benefits humans. Explain your response.
Answer:
honeybees
Explanation:
we directly use the honey they produce and we also depend on them to pollinate crops. Bees also pollinate other plants that porvide several indirect benefits to humans
Answer:
My answer: Honeybees
Honeybees give us honey, we directly use honeybees to gather their honey. Honeybees indirectly pollinate crops, flowers, and other various plants.
Explanation:
PLATOs answer: Honeybees both directly and indirectly benefit humans. We directly use the honey they produce, and we also depend on them to pollinate crops. Bees also pollinate other plants that provide several indirect benefits to humans. These benefits include reducing carbon dioxide in the atmosphere and providing food for the herbivores on which we depend.
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How to do a stoichiometry problem? I have trouble with them.
Answer:
There are four steps in solving a stoichiometry problem:
Write the balanced chemical equation.
Convert the units of the given substance (A) to moles.
Use the mole ratio to calculate the moles of wanted substance (B).
Convert moles of the wanted substance to the desired units.
Explanation:
(https://socratic.org/questions/how-to-solve-the-problems-of-stiohiomerty-what-is-the-formula-of-stiohiomerty) This site will give you all the info you need on how to solve it! Gives examples too!
An example of a genetic disorder that is caused by a sex-linked recessive
allele is
How does an amino acid-based hormone changes a cells activity
Answer:
such as glucagon, bind to membrane-bound receptors. The binding of the hormone triggers a signal transduction pathway, a process of molecular changes that turns the hormone's extracellular signal into an intracellular response.
Explanation:
How does an amino acid-based hormone changes a cells activity ?
The majority of amino acid-based hormones, such as glucagon, bind to membrane-bound receptors. The binding of the hormone triggers a signal transduction pathway, a process of molecular changes that turns the hormone's extracellular signal into an intracellular response.
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According to the cladogram which of the following is the derived characteristic shared by amphibians and reptiles
bony skeleton
lungs
Answer:
C.) lungs
Explanation:
In the cladogram, amohibians and reptiles are seperated under the 'lungs' branch.
Therefore, having lungs is a shared characteristic among amphibians and reptiles
According to the cladogram bony skeleton and lungsare the derived characteristic shared by amphibians and reptiles. Hence the correct option is C.
A bony skeleton is a derived characteristic shared by both amphibians and reptiles. Unlike more ancient organisms like cartilaginous fish, which have a skeletal structure made of cartilage, both amphibians and reptiles have evolved to possess a bony skeleton composed of hard, calcified bones. This bony framework provides greater support and protection.
Lungs are another derived characteristic shared by amphibians and reptiles. As vertebrates that have adapted to life on land, both groups require a reliable respiratory system to breathe air. Lungs are specialized respiratory organs that enable these organisms to extract oxygen from the air and release carbon dioxide.
Hence the correct option is C.
The given question is incomplete, the complete question is
According to the cladogram which of the following is the derived characteristic shared by amphibians and reptilesbony skeletonlungs.
a. Bony skeleton
b. Lungs
c. Both a and b
d. Neither a nor b
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*lf a strand has 35% adenine, what percent will be cytosine?
Answer:
35% - adenine
35% - thymine
Then you have cytosine which is paired with guanine and they will both have a percent of 15.
15% - guanine
15% - cytosine
Explanation:
What is the primary cause of groundwater shortage?
A)
pollution
B)
use exceeding the rate of replenishment
C)
lack of precipitation
D)
all of the above
Answer:
D. All of the above
Explanation:
Pollution makes ground water un-usable
Rate of Replenishment causes droughts, at the rate we use it.
Lack of precipitation results in little rainfall, making no groundwater
Answer:
D
Explanation:
Dna Aca ata tag ctt ttg att
Answer:
UGU UAU AUC GAA AAC UAA
Explanation:
Hello There!
These are the transcription pairings
Adenine (A) to Uracil (U)
Thymine (T) to Adenine (A)
Cytosine (C) to Guanine (G)
Guanine (G) to Cytosine (C)
So given the DNA strand ACA ATA TAG CTT TTG ATT
We pair each nucleotide with its matching nucleotide (parings are provided above)
A to U
C to G
A to U
A to U
T to A
A to U
T to A
A to U
T to A
A to U
G to C
C to G
T to A
T to A
T to A
T to A
G to C
A to U
T to A
T to A
The finished mRNA strand looks like this
UGU UAU AUC GAA AAC UAA
The mass of an object doubles. What happens to the gravitational force between it and another object whose mass stays the same, assuming they remain the same distance apart?
A. The amount of the gravitational force quadruples.
B. The amount of the gravitational force doubles.
C. The amount of the gravitational force decreases by one-half.
D. The amount of the gravitational force remains the same.
Answer:
part b is the right answer
Explanation:
The amount of the gravitational force doubles
When the mass of an object doubles; The amount of gravitational force between it and another object whose mass stays the same doubles.
Gravitational forceAccording to Newton's law of universal gravitation;
The gravitational force between two objects is directly proportional to the product of their mass and Inversely proportional to the square of their distance apart.On this note, since the mass of the other object is kept constant; the gravitational force is doubled when the mass of the object is doubled.
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1. Explain "haploid"
pairs.
Answer:
Haploid describes a cell that contains a single set of chromosomes. ... In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells. The number of chromosomes in a single set is represented as n, which is also called the haploid number.
Use your knowledge of the mechanism of photosynthesis and the data presented in the chart to determine which of the statements is a correct explanation for the students' data.Group of answer choicesCup 2 had the highest rate of photosynthesis because it had the highest ratio of disks floating to wattage of light.Cup 1 had a low rate of photosynthesis because 0.5 grams of baking soda did not provide a sufficient amount of CO2.Cup 3 had the same rate of photosynthesis as Cup 1 because they had the same ratio of disks floating to wattage of light.Cup 4 had the lowest rate of photosynthesis because it had the least CO2.
Answer:
D. Cup 4 had the lowest rate of photosynthesis because it had the least CO2.
Explanation:
Carbondioxide gas is the main reactant for the process of photosynthesis which decides the production of food in the leaves. If plants has high amount of carbondioxide gas and water so in the presence of sunlight it produces more food in the leaves in the form of glucose so we can conclude that the lowest rate of photosynthesis occurs due to presence of least concentration of carbondioxide gas in the cup 4.
Which of the following lists the hierarchy of life from MOST complex to LEAST complex?
A) organism, organ system, organ, tissue, cell
B) cell, tissue, organ, organ system, organism
C) organ system, organism, cell, organ, tissue
Answer:
a
Explanation:
Match the definition to the correct ecological level.
Question 1 options:
Biome
Biosphere
Ecosystem
Community
Individual
Population
1.
One organism
2.
A group of organisms of the same species in the same area.
3.
All the living things in an area.
4.
Biotic and abiotic factors in an area.
5.
All the ecosystems in a climatic region.
6.
All areas that can support life.
Answer:
1.
Individual
2.
Population
3.
Community
4.
Ecosystem
5.
Biome
6.
Biosphere
Definition to the correct ecological level are:
1. Individual is one organism.
What is an individual?The individual is a single organism or a specific species.
2. Population is a group of organisms of the same species in the same area.
What is a population in ecology?A population is a group of organisms of the same species in the same area.
3. All the living things in an area is called Community.
What is a Community in ecology?A community is a group of different populations interacting in an ecosystem.
4. Ecosystem is biotic and abiotic factors in an area.
What is an ecosystem in ecology?An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.
5. All the ecosystems in a climatic region is called Biome.
What is Biome?
A biome is an area classified according to the species that live in that location.
6. Biosphere support all areas that can support life.
What is Biosphere?
The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.
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Xylem and phloem carry out specific functions in a plant. Which of the following terms does not apply to either xylem or phloem? a. Specialized cells b. Eukaryotic cells c. Differentiated cells d. Prokaryotic cells
Based on the diagrams above, what is the percent change in the amount of runoff in urban areas compared to forested areas?
Answer:
It’s D
Explanation:
450 % change occur in the amount of runoff in urban area as compared to forest area.
Percent change450 % is the percent change in the amount of runoff in urban areas as compared to forested areas. We can see in the diagram that in forest area only 10% is runoff water while some is absorbed by the soil and other evaporated in the air.
While on the other hand, in urban area 55% of water leaves the area through runoff which is 45 % higher than forest area so when we put these values in the formula of percent change we get 450 % so we can conclude that 450 % change occur in the amount of runoff in urban area as compared to forest area.
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What kingdoms are Protist's NOT part of?
Answer:
Eukaryote; isn't a plant animal, or fungus
Explanation:
Because Protist has many organisms that are related to the other kingdoms of animals, plants, and fungi. Protists is a word that is know used as a "eukaryote that isn't a plant, animal, or fungus."
What is the genetic relationship between individuals Level 1 - 2 and Level
III - 4
Answer:
Grandmother - grandson.
Explanation:
The genetic relationship between individuals Level 1 - 2 and Level III - 4 is grandmother - grandson because the gap between individuals is two generations. The circular shape represents male while on the other hand, the square shape represents female individual. So we know that in the first level, the second individual is square which means it is a female while on the other hand, in the third level, the fourth individual is circular that represents male so it is a relationship of grandmother - grandson.
Translation occurs in the _______
of a eukaryotic cell.
A ribosome
B chromosome
C cytosome.
D autosome
Answer:
A
Explanation:
D isn't a real thing in the cell
What is the genotype ratio for the offspring in this Punnett Square?
help
Answer:
1:2:1
Explanation:
When we say genotype, we are talking about the different type of allele combinations. Phenotype is when you are looking at dominant recessive ratios.
4. A student studying interactions between body systems constructs this table. The
student plans to fill out the table with phrases that describe an interaction between
each pair of systems.
Skeletal Circulatory Muscular Digestive Respiratory Urinary
Nervous
Skeletal
Circulatory
Muscular
Digestive
Respiratory
Urinary
Nervous
х
Which of these phrases could be placed in the position marked with an X?
Answer:I think it’s “provides nutrients to muscle cells
Explanation:
What evidence can scientists collect from body fossils? Select all correct answers
the fossils can tell scientists about the size and shape of the organism
scientists can learn about the daily activity of the organism
By comparing the fossil to a living organism, scientists can determine the group of living thing the
fossil was part of
Scientists can learn about how the organism functioned when it was alive
Answer:
all of them
Explanation:
The shape, size, daily activities, structure, and function of an organism can be determined by the fossil. Hence all options are correct.
What is a fossil?Any surviving remains, impression, or evidence of a once-living thing from a previous geological epoch is referred to as a fossil. Examples include exoskeletons, bones, shells, animal or microbe imprints in stone, items preserved in amber, hair, petrified wood, and DNA traces. The fossil record is the collection of all fossils.
The study of ancient plants and animals that have subsequently faced extinction or have evolved into present species is made possible by the discovery of fossils.
Important evidence for evolution and the environmental adaptability of plants and animals can be found in fossils. Hence, all options are correct.
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