Answer:
there is 46 chromosome in a human
Answer: there is 46 chromosome in a person
Explanation:
Part C
AP wave is a type of seismic wave called a longitudinal wave, or pressure wave. Longitudinal waves occur when the
material that carries the wave is compressed and stretched. Aside from seismic waves, what is an example of a
longitudinal wave that you have observed?
Answer:
Sound wave is an another example of longitudinal wave. Sound wave is a vibration that is transmitted through a medium, such as air, water, and metals. Ultrasonic wave is defined as “inaudible sound with high frequency for human” the frequency of which generally exceeds 20 kHz. These days, sound wave which is not intended to be heard is also called ultrasonic wave.
Answer: A wave traveling through a compressed spring or a sound wave traveling through the air are examples of longitudinal waves.
Explanation: Simple answer from Edmentum
Help with somebody who is an expert in meteorology or took any class in it
I would say this isn't a question but more a lack of experience in a field of science or a subject.
So I will help by giving a brief explanation on what it is.
The study of the Earth's atmosphere and the changes in temperature and moisture distribution that give rise to various weather situations is known as meteorology. Precipitation (rain and snow), thunderstorms, tornadoes, hurricanes, and typhoons are a few of the important topics of research.
Thank you,
Eddie
From a trough to a peak, the economy goes through
The economy will then start to shrink as it descends from the peak and enters recession.
What is happening to the economy during the trough phase?The economy's growth rate declined during the depression phase. Up until the demand and supply for products and services, as well as the prices of the factors, reach their lowest point, there is still a further decrease. Eventually, the economy sinks to its lowest point. The economy enters the peak phase when it reaches its highest level of output, which marks the end of growth. After this, a contractionary phase occurs as employment levels and housing starts start to drop.
The time between an economic activity's peak and its subsequent trough, or lowest point, is known as a recession. The economic cycle between its trough and peak is one of expansion.
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Which is not a water quality monitoring parameter?
Select one:
a. habitat
b .turbidity
c. salinity
d. pH level
Bona has started reaction to the sound of a loud "POP". immediately before the pop,a light flashes.after several times.bona has started reaction the flash of light.
A. what is unconditional stimulus
B, what is confidential stimulus
C, what is NS
D, what is unconditional response
The flash of light thus associated can now be called the conditioned stimulus.
What is stimulus?The term stimulus has to do with response to particular occurrence. This is well captured in the area of behavioral psychology. We know that the organism can be trained to respond to a certain stimulus when it is presented.
Now if a stimulus elicits a particular reaction and then another stimulus is presented immediately after the first one such that the organism learns to associate the second stimulus with the first, the organism would over time begin to respond to the second stimulus in the same manner as the first.
Now we can see that in this case, the light flash follows the POP sound. This implies that organism would overtime associate the sound and the light. This flash of light thus associated can now be called the conditioned stimulus.
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Too much logging in the Oyamel fir forests could lead to the eastern monarch butterfly going extinct because
Answer: They wouldn't have anywhere to live. The fir trees are a home to the butterflies cutting the trees means cutting their homes down.
Explanation:
so yea
Answer: A, the entire population of the species spends winter in oyamel
Which of the following is the movement of molecules along a concentration gradient by spontaneous random motion to achieve a uniform distribution?
Diffusion is the movement of molecules along a concentration gradient by spontaneous random motion to achieve a uniform distribution.
What is diffusion?Diffusion is the movement of water vapor from regions of high concentration (high water vapor pressure) toward regions of lower concentration.
Diffusion can also be defined as the random movement of molecules (fluids) along a concentration gradient until even distribution is achieved.
Therefore, diffusion is the movement of molecules along a concentration gradient by spontaneous random motion to achieve a uniform distribution.
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Sunlight is the ultimate source of energy in the ecosystem.
Answer: yup. That, and water or air.
Explanation:
Fill in the blank.
1. Helping children to evaluate and overcome frustrating situations is one way to prevent ________
2. Accepting and supporting a child fosters that child's __________
3. Giving a child a reason for a request helps to foster ________
and _______ .
4. When a caregiver sets limits so that children know what they can and can't do, the caregiver is
expressing ________
of the children's actions.
5. When a caregiver offers to help a child pick up blocks, the caregiver alts as a ________
of prosocial behavior.
6. Self-esteem is increased by ______________
a child's efforts.
Helping children to evaluate and overcome frustrating situations is one way to prevent aggression.
aggressionself-esteemself-esteem; self-regulationsupportmodelsupporting What are the methods used to help your child get control of their anger?A lot of people have no idea about social skills. We are known to often picked them as we grow up learn by observing people close to us such as out parents and in interactions with others.
A way that a child can manage their anger is for a parent to teach our children to be able to know and deal with their anger, as we can be able to prevent its negative effect before it occur.
Therefore, Helping children to evaluate and overcome frustrating situations is one way to prevent aggression.
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What is a change in the DNA sequence that can be beneficial harmful or niether ?
Answer:
A mutation
What can cause changes in a DNA sequence?
A mutation is a change in the DNA sequence. There are several different methods by which mutation happens. Of course, chemically produced mutations receive the most media attention. There are a wide range of substances that can cause mutations, usually by attaching to the DNA and causing it to break, requiring an incomplete repair, or by preventing DNA replication, forcing the replication machinery to repeat the DNA poorly.
However, other factors, such as exposure to radiation or light, can also cause DNA mutations. In reality, UV and X ray light are known to cause mutations by changing the DNA's base composition or causing DNA breaks.
Mutations are also spontaneously caused by DNA replication. Although it occurs extremely infrequently, the replication complex does occasionally make mistakes and insert the incorrect DNA base, which leads to a significant amount of mutations over the course of generations.
Thank you,
Eddie
A mutation in the DNA sequence can be beneficial, harmful, or neither, depending on its impact on the organism.
Mutations—changes in the DNA sequence—can affect an organism. Mutations that improve survival and reproduction are helpful. Mutations can make an organism disease-resistant or adaptable.
Mutations can affect the organism's health or fitness. Mutations can cause genetic diseases, diminished fertility, and lower survival rates. Neutral mutations don't affect the organism's phenotypic or fitness. They may occur in non-coding DNA or silently modify the genetic code, leaving the amino acid sequence of a protein untouched.
Mutations' effects depend on their genomic location, gene function, and environment. Some mutations help evolution and adaptability, whereas others harm individuals or populations.
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30 points!! Please helppp!! It’s the last question!! The following diagram shows the branching tree for four kingdoms and some of their shared derived characteristics.
What shared characteristic can be written at point X? Use complete sentences to explain your answer.
These are synapomorphies, or shared derived features. These are the traits that arose in particular groups of creatures' progenitors and were then passed on to those groups' offspring (or lineages).
What is synapomorphies?A unique character or character state that has evolved from its ancestor is known as an apomorphy.An apomorphy that is shared by two or more taxa is referred to as a synapomorphy and is thought to have originated in those taxa's most recent common ancestor. Synapomorphy suggests homology in cladistics.A characteristic or trait obtained through evolution from a similar ancestral form and shared by two or more taxonomic groups.Synapomorphies are traits that a group of taxa share because they descended from a single ancestor. Thus, synapomorphies provide as proof of historical connections and the corresponding hierarchical structure.An advanced character state that is shared by two or more taxa and that is obtained through evolution.It is inherited from the most recent common ancestor, whose own ancestor is presumed not to contain such qualities.Learn more about synapomorphies here:
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Why is cellular reproduction important for homeostasis?
It helps cells make oxygen.
It helps cells make glucose.
It removes waste from cells.
It splits a cell into new cells.
Which of the following groups of organisms contains a cell wall?
I. Plantae
II. Animalia
III. Fungi
IV. Eubacteria
After watching the CrashCourse video on Taxonomy: Life's Filing System, write a summary of three things you
learned about taxonomy from the video. Zooalogy
Watching CrashCourse video, I learned the 3 basic elements of taxonomy, which are the three domains are Archea (formed by prokaryotic beings, such as archaea), Bacteria (formed by prokaryotic beings, such as bacteria and cyanobacteria) and Eukarya (formed by eukaryotic beings).
What is the concept of taxonomy?Taxonomy is the branch of biology responsible for identifying and classifying all animals and plants that inhabit the Earth, based on the different characteristics they share with each other.
What is taxonomy and examples?Taxonomy is the area of Biology that classifies, organizes and describes living beings. It is like a library that organizes each group into its categories, in an order that facilitates understanding and searching for features.
With this information, we can conclude that Taxonomy is a method used in biology to name, identify and classify living beings.
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What blood types are possible for a child with a mother who has a blood type of O, and a father with a blood type of A,
and is homozygous.
The mother has an O blood type means genetically she has [tex]I^{O} I^{O}[/tex]and the father is homozygous means he has [tex]I^{A} I^{A}[/tex]in this situation the child will have only A blood group and genetically the child will have [tex]I^{A} I^{O}[/tex]. Thus the answer is blood type A.
What is the genetic constitution of all the blood groups?The blood group type will have two genotypes one homozygous condition that is type [tex]I^{A} I^{A}[/tex] or the heterozygous condition that is [tex]I^{A} I^{O}[/tex] but in both conditions phenotypically the person will have type A blood group.
The same happens with the type B blood group where the homozygous [tex]I^{B} I^{B}[/tex]or the heterozygous [tex]I^{B} I^{O}[/tex] in both genotype conditions phenotypically the person will have a B blood group.
This condition is not applied in the O blood group as it will always express in homozygous condition as if A or B present then will dominate so if a person has blood type O then the person always has [tex]I^{O} I^{O}[/tex] in their genotype.
The condition for having blood group O is the father and mother both should have heterozygous genotype then there will be a possibility the child will have O blood group.
Here, in the question, both parents are homozygous as the mother is expressing blood group O then must have homozygous [tex]I^{O} I^{O}[/tex] and it is already mentioned in the question that the father is also homozygous that is [tex]I^{A} I^{A}[/tex] . The Punnett square is given in the image attached.
Hence, as both parents have homozygous genotype and the father has blood type A which is dominant so children will be heterozygous and have A blood group as A is dominant over O.
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Together, the right and left cerebral hemispheres make up which part of the brain?.
Drag each tile to the correct location.
Sort the statements based on whether they describe the lives of small stars, large stars, or both.
The correct location of each tile is as follows:
Small stars - It becomes a white dwarf when fusion endsSmall stars - It can fuse hydrogen for billions or trillions of yearsLarge stars - It may turn into a black hole at the end of its lifeLarge stars - It becomes a neutron star after the supernova phaseBoth - It increases in size when core hydrogen is used upWhat are stars?Stars are large celestial bodies which produce heat and light energy as a result of the nuclear reactions occurring within the core of the stars.
Stars are composed mostly of hydrogen and helium gas which undergo nuclear fusion reactions.
Stars have lifespans, and the fate of the star at the end of its lifespan depend on whether they are small or large stars.
The correct description and as such location of each tile is as follows:
Stars that become white dwarves when fusion ends are Small stars.
Stars that can fuse hydrogen for billions or trillions of years are Small stars.
Stars that may turn into a black hole at the end of their lives are Large stars.
Stars that become a neutron star after the supernova phase are Large stars.
Both Large and small stars increase in size when core hydrogen is used up.
In conclusion, stars produce heat and light energy by means of fusion reactions.
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I need help with questions 3 4 and 5 sorry if the picture is a little blurry
Answer:
3 the most likely answer is b
because the other choices are unrelated to the question
4 the choices are not appropriate as I think
but contextual answer is most likely c but it has to be the absorbtion of sugar by pancreases
7 answer is obviously c
Give one function for this structure
Answer:
Explanation:
The pen is is the male organ used for urination and intercourse. The pen is located above the scrotum. It is made of spongy tissue and blood vessels. The shaft of the pen is surrounds the urethra and is connected to the pubic bone.
IUPAC name of 2,2,3-trimethyl butane
Answer:
Triptane molecular formula C7H16Carbon is transferred from the
atmosphere to organisms
through...
A. photosynthesis.
B. precipitation.
C. combustion.
Answer:
A
Explanation:
I believe the answer is through photosynthesis
Explain three main features of the following: a) Glycolysis b)Kreb's cycle c)Electron transpot chain
Answer:
A)Glycolysis is one method that cells use to produce energy.
B)a sequence of reactions in the living organism in which oxidation of acetic acid or acetyl equivalent provides energy for storage in phosphate bonds called also citric acid cycle, tricarboxylic acid cycle.
C)electron transport chain is a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation.
Which disorder is a less severe but chronic form of depression?
Major depressive disorder
Bipolar disorder
Persistent depressive disorder
Post-traumatic stress disorder
Answer:
Persistent depressive disorder.
Persistent depressive disorder, known as dysthymia or low-grade depression, is less severe than major depression but more chronic. It occurs twice as often in women as in men. Persistent depressive disorder (PDD) is a serious and disabling disorder that shares many symptoms with other forms of clinical depression.
How does evolution occur through natural selection?
A. Individuals die instead of adapting when changes in the environment occur.
B. Individuals different from their population are quickly killed by the rest of the species.
C. Individuals with a low fitness are more likely to survive.
D. Individuals best suited to their environment are more likely to survive and pass on genes.
Evolution occurs through natural selection when individuals best suited to their environment are more likely to survive and pass on genes; option D
What is evolution?Evolution is the process by which new species of organisms are formed from existing species through gradual changes which occur in these organisms over a long period of time.
Evolution of species can occur through a process known as natural selection.
Natural selection is the process by which species which possess certain features that enable to adapt to changes in their environment survive while those that do not have these features die.
In conclusion, natural selection is one the processes by which evolution occur.
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What causes the characteristic thrashing motion of nematodes?
A. the fluid-filled body cavity
B. the pseudocoelom that acts as a hydroskeleton
C. the blunted head and pointed tail
B. the pseudocoelom that acts as a hydro skeleton causes the characteristic thrashing motion of nematodes.
The longitudinal muscles of nematodes are contracted to move them. The animal moves by thrashing back and forth because to the tremendous internal pressure that forces the body to flex rather than flatten. Nematodes only have longitudinal muscles, not the two bands of muscles found in other worms. They can only move by clenching the lengthy muscles on either side of their body and wiggling forward, which explains their distinctive thrashing motion.The pseudocoelom serves as a lubricant between tissues, houses coelomocytes, and generates turgor-hydrostatic pressure for the entire animal.Because it is fluid-filled, the fluid's hydrostatic qualities enable a more rigid construction, greatly improving the efficiency of the skeletal system and movement.learn more about nematodes here:
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Answer: B. the pseudocoelom that acts as a hydroskeleton
Explanation:
9. What does each letter in the diagram below represent?
A.
B.
C.
D.
E.
F.
F
G.
H.
I.
J.
C
The layers composing the Earth are the core, mantle, and Crust. A) Internal core, B) External core, C) Mesosphere, D) Astenosphere, E) Lithosphere, F) Oceanic crust, G) Continental crust, H) Litosphere, I) Superior mantle, J) Astenosphere
What are the layers of the Earth?Three main layers compose the Earth.
The crustThis is the most external layer.
It is located right upon the mantle and is divided into many plates, that move over it.
It is composed of the oceanic basaltic plate (6-12 km) and the uppermost continental granitic plate (25-70 km).
The mantleThis is the second layer that composes the Earth.
It is a very hot and dense rock that is capable of flowing.
Convection currents occur in this layer, rising hot melted material from the deepest region and sinking cold solid material from the surface.
Three layers compose the mantle,
Upper mantle (40-400km)Transition zone (400-670km)Inner mantle (2285 km)The coreThis is the third layer and is divided into two sublayers,
- the solid inner core (1216 km)
- the liquid outer core (2270 km)
The core is mainly composed of Ferrum and nickel, and its temperature is about 6000ºC.
The extremely high temperatures are closely involved in material circulation, keeping the Earth's surface temperature, and electromagnetic field.
The core composes the EndosphereThe Internal mantle composes the MesosphereThe Transition zone and superior mantle compose the AstenosphereThe Crust composes the LithosphereA) Inner core
B) Outer core
C) Mesosphere
D) Astenosphere
E) Lithosphere
F) Oceanic crust
G) Continental crust
H) Litosphere (Crust)
I) Upper mantle
J) Astenosphere
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Which of the following is NOT a behavior of parental care?
A. Feeding
OB. Courtship displays
C. Protection from predators
D. Incubation of eggs
Parental care is the energy investment in looking after the progeny to ensure reproductive success, at the sacrifice of feeding, mating, and being save. The option is B. Courtship displays.
What is parental care?Parenting is a caring behavior chosen by some species in which parents invest energy in looking after their offspring to ensure their survival and hence, their reproductive success.
K-strategists are the species that perform parenting.
Animals must optimize the invested energy in growing, surviving, reproducing, and leaving fertile offspring. They must ensure the perpetuity of the species. The best way to do it is by reaching sexual maturity, mating, and leaving progeny that also reaches their fertile age. So species choose how to do it and where to invest more energy.
K strategists take care of their offspring and invest too much energy in doing it.
Parents must feed them, an activity that requires most of their energy to produce food or look for it. They must protect their progeny from potential opportunistic predators, so they need to be near the whole time. They need to teach behaviors and habits.And so many other things that require energy investment.
So, when parents take care of their offspring, the energy usually destined for survival and mating activities is now destined for parenting.
Often, parents can not feed because they can not leave their offspring alone. They face predators putting themselves in danger of being hurt. They can not mate even if they are in the reproductive season.
According to this framework, the correct option is Courtship displays. Option B. This is a typical pre-mating behavior in which sexual selection plays a significan role.
The behaviors of parental care are
A. Feeding
C. Protection from predators
D. Incubation of eggs
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What would happen if in a pcr reaction you used a dna polymerase isolated not from thermus aquaticus, but from an organism that grows at lower temperature?.
There would be very little or no DNA produced if in a pcr reaction you used a dna polymerase isolated not from thermus aquaticus, but from an organism that grows at lower temperature .
What is the purpose of PCR?
To amplify (copy) a gene so it can be detected.
How do the strands separate during PCR?
The hydrogen bonds between the two strands are broken by the DNA polymerase. During the annealing process, the primers split the strands. - The hydrogen bonds between the two strands are broken by the high heat of the denaturation stage.What is a PCR test ?
Targeting particular DNA fragments and amplifying (increasing in number) them artificially is done using the polymerase chain reaction technology. Describe how primers are used in PCR. The primer is a synthetic DNA strand that has bases that are complementary to the bases at the start of the DNA fragment that will be amplified.Learn more about PCR
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Which phrase best describes a process represented in the diagram below?* 5 points
---
Fertilized egg
O a zygote dividing by mitosis
a zygote dividing by meiosis
a gamete dividing by mitosis
a gamete dividing by meiosis
Multicellular
organism
The image shows a zygote dividing by meiosis.
What is cell division?We know that cell division occurs when a cell breaks up to give daughter cells. This could occur by mitosis or by meiosis. In each case, we have two or four daughter cells being formed.
Now we have to look at the image very well. We can see that the process is occurring inside the gamete cells. There is a fertilized egg that divides into two. We know that a fertilized egg is called a zygote.
In conclusion, we can say that, the image shows a zygote dividing by meiosis.
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Genotype: BBee
Phenotype:
DONE
V fur and
V eyes
[tex]black \: dominant = BB \\ phenotype = black \: fur \\ \\ red \: eyes \: recessive = ee \\ (not \: masked \: b y \: the \: dom \: trait) \\ phenotype = red \: eyes[/tex]
Answer:
Explanation:
Genotype: BBee
Phenotype:
✔ black
fur and eyes
red