Planets are much
than stars.
A)
bigger
B)
hotter
0
smaller
D)
farther away from Earth
Answers
Answer:
C) Smaller
Explanation:
Answer:
smaller
Explanation:
Related Questions
Cow fur is inter tied in a co-dominant pattern. If a Roan Cow (red and white hair) is crossed with a red haired cow, what are the chances that there will be an offspring with only red hair?
Answers
Answer:
Explanation:
25%
Answer:
Cow go moo
Explanation:
1. Blood cells returning to the lungs after their journey through the body are.
bright blue
dark red
dark blue
bright red
Answers
Answer:
Dark Red
Explanation:
The blood that travels back to the heart and lungs is dark red. It has picked up carbon dioxide from the body cells, and it has left most of its oxygen with the cells. We can think of the dark colored, carbon dioxide-rich blood as "used” blood. This is the blood that the heart pumps into the lungs.
Answer:
The answer is Dark Red.
Explanation:
Hope this helps!!
insects feeding on the leaves of a plant stimulate the plant to produce more leaves. this is an example of
Answers
The given situation is an example of compensation, aposematism, competition, and induced defense.
What is aposematism?By using warning signs (aposematism), such as brilliant coloring as an indicator of toxicity, detected prey can evade an attack. These warning signs, which are equally common, are essentially the antithesis of camouflage. Well-known examples include fire salamanders (Salamandra Salamandra) and poison dart frogs (Dendrobatid). Predators are better able to recognize and avoid aposematisms because they are frequently identical across prey species, a phenomenon known as Müllerian mimicry. Nevertheless, warning signs present chances for "cheating" species—species that are not dangerous but have the same appearance—a technique known as Batesian mimicry. The innocuous hoverflies (Syrphid), which have black and yellow stripes like those of wasps and bees, are a well-known example of an insect. A fish species that mimics a venomous juvenile leatherjacket in appearance and behavior is the juvenile grunt (Posadas's famous).An example of compensation, aposematism, and competition is when a plant produces additional leaves as a result of an insect feasting on its leaves.Therefore, the given situation is an example of compensation aposematism competition and induced defense.
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Chitin is a long-chain polymer derived from glucose. It strengthens cell walls of fungi and the outer covering (exoskeleton) of arthropods (including crabs, shrimps, and insects). The presence of chitin in these groups is likely due to ______.
A. secondary endoparasitism B. horizontal gene transfer C. paraphyletic evolution D. convergent evolution
Answers
Option (D) convergent evolution is correct.
The presence of chitin in these groups is likely due to convergent evolution.
What is convergent evolution ?Convergent evolution is the independently occurring evolution of comparable traits in animals from several epochs or eras of time. Analogous structures that have a similar form or function but were absent from that group's most recent common ancestor are created via convergent evolution.The similarities between shark and dolphin bodies, vertebrate and cephalopod eyes, and bat and insect wings are all examples of convergent evolution. Convergent evolution produces similar structures, but not analogous ones. TCRs/BCRs and VLRs are both antigen receptors, but they are not linked in terms of evolution.Humans and squid have eyes that are structurally similar. Snakes and worms both lack legs when they move.Learn more about Convergent evolution here:
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after graduation, you and 19 friends build a raft, sail to a deserted island, and start a new population, totally isolated from the world. two of your friends carry (that is, are heterozygous for) the recessive cf allele, which in homozygotes causes cystic fibrosis. a) assuming that the frequency of this allele does not change as the population grows, what will be the instance of cystic fibrosis on your island? b) cystic fibrous births on the island is how many times greater than the original mainland? the frequency of births on the mainland is 0.059%.
Answers
Answer:
cystic fibrosis births on the island would be approximately 16.95 times greater than on the original mainland.
Explanation:
To calculate the incidence of cystic fibrosis on the island, we need to consider the Hardy-Weinberg principle. According to the principle, in a population where the allele frequencies do not change, the genotype frequencies can be predicted using the following equations:
p^2 + 2pq + q^2 = 1
where:
p^2 represents the frequency of homozygous dominant individuals (AA)
2pq represents the frequency of heterozygous individuals (Aa)
q^2 represents the frequency of homozygous recessive individuals (aa)
In this scenario, two out of the 20 friends (or 2/20 = 0.1) carry the recessive cf allele. This corresponds to the frequency of the recessive allele (q) in the population. Therefore, q = 0.1.
To find the frequency of the dominant allele (p), we subtract the recessive allele frequency from 1: p = 1 - q = 1 - 0.1 = 0.9.
Now we can calculate the incidence of cystic fibrosis (q^2) on the island:
q^2 = (0.1)^2 = 0.01
Therefore, the incidence of cystic fibrosis on the island would be 0.01 or 1%.
To determine the comparison with the original mainland, we need to calculate the frequency of cystic fibrosis births on the mainland. Given that the frequency of births with cystic fibrosis on the mainland is 0.059%, we can compare this with the incidence on the island:
Cystic fibrosis births on the island / Cystic fibrosis births on the mainland = 0.01 / 0.00059
This calculation shows that cystic fibrosis births on the island would be approximately 16.95 times greater than on the original mainland.
where does gravity pull toward
Answers
5) What is the largest hierarchical level that global warming affects?
a) organism b) community c) biosphere d) population
Answers
Answer:
C) Biosphere
Explanation:
Chapter 18 Homework
I've done this before...
The largest hierarchical level that global warming affects is the biosphere, which is in Option C, as the biosphere includes all the living organisms and their interactions with each other and with their physical environment.
What is global warming?Global warming refers to the long-term increase in Earth's average surface temperature, primarily due to the release of greenhouse gases from human activities such as burning fossil fuels and deforestation. This increase in temperature has a range of impacts on the biosphere, including altering ecological processes, changing the distribution of species, and affecting the physical environment, and it can also have a profound impact on the distribution and abundance of species.
Hence, the largest hierarchical level that global warming affects is the biosphere, which is in Option C.
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How are the terms ovum, zygote, and embryo related?
Answers
Answer:
ovum fusing with sperm will give zygote (fertilization)
The zygote later on develops to an embryo in the womb after implantation.
The primary physical, biological drive to find and eat food, that is mostly regulated by internal cues to eating is called?
Answers
The primary physical, biological drive to find and eat food, that is mostly regulated by internal cues to eating is called hunger. The hunger drive is influenced by numerous factors, including hormonal, physiological, and psychological processes.
To satiate the hunger, the brain is prompted to consume food that it perceives as satisfying and to drink liquids as a part of homeostatic mechanism.
Most people are aware of the concept of hunger, but many are unaware of the biological mechanisms that control this drive. Hunger is influenced by a variety of factors, including psychological, physiological, and hormonal processes.
The hunger drive prompts the brain to consume food that is perceived as satisfying and to drink liquids as a part of homeostatic mechanism.There are a number of hormones that regulate hunger. Ghrelin is one such hormone that is released by the stomach when it is empty, signaling to the brain that it is time to eat.
Another hormone, leptin, is released by fat cells and signals to the brain that the body has enough energy stores and can stop eating. In addition, many psychological factors can influence hunger, including stress, mood, and environmental cues. Hunger is a complex process that involves multiple biological and environmental factors.
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La estructura de la membrana es selectivamente permeable, por tal razón:
Answers
The cell membrane is selectively permeable because substances do not pass through it indiscriminately. This means that only selective molecules pass through it. So the correct answer choice is option (B).
Selective permeability of a cell membrane refers to its ability to distinguish between different types of molecules, allowing only some molecules through while blocking others. A cell membrane is called selectively permeable because it allows only specific molecules to pass through. Only specific molecules, such as water and gas molecules, can pass directly through the cell membrane. It stops the flow of other molecules towards the two sides. Many large molecules like glucose and other sugars cannot do this. Water can pass between lipids. The most common example is the phospholipid bilayer cell membrane that surrounds every cell in our body.
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Complete question:
The membrane structure is selectively permeable, for this reason:
A) It is permeable only during certain stage of the cell division.
B) It allows only selective molecules to pass through it.
C) It allows only water to pass.
D) It is made up of lipids.
Explain how the "mantle of reflexes" (term from von Holst) tends to conceal the rigidity of fixed motor patterns.
Answers
The "mantle of reflexes" is a term coined by von Holst to describe the layer of reflexes that cover and mask the rigidity of fixed motor patterns. Fixed motor patterns are pre-programmed sequences of movements that animals use to perform specific tasks or behaviors.
The While these patterns are efficient, they can also be inflexible and limit an animal's ability to adapt to new situations. The mantle of reflexes refers to the various reflexes that are triggered in response to sensory stimuli, which can modify or even override the fixed motor patterns. if a bird is flying towards a tree branch, it may have a fixed motor pattern for landing on the branch. However, if a gust of wind suddenly blows the bird off course, the mantle of reflexes can come into play. The bird may instinctively adjust its wings and body position to regain control and land safely on the branch. This reflexive response can modify the fixed motor pattern and allow the bird to adapt to the changing conditions. Without the mantle of reflexes, animals would be limited to their fixed motor patterns and unable to respond to changes in their environment. Therefore, the mantle of reflexes is an essential component of animal behavior and survival.
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Which of the following processes make producers so unique?
Answers
Answer:
I would say b
I might be wrong but I hope i helped! ^^
Answer:
it is D
i am pretty sure
Explanation:
plants use the solar energy from the sun to be able to make chemical energy to synthesis their food( this process is called photosynthesis)
Most successful parasites, such as a cat flea, weaken their host but do not kill it. Why is killing its host usually disadvantageous for a parasite?
Question 4 options:
Relatives of the host would then attack the parasites.
Lysosomes from the host would then attack the parasite.
If a parasite kills its host, it will then have to find a new host in order to survive.
Parasitism is a relationship where both organisms benefit; killing the host is not beneficial to the host.
Answers
Answer:
The correct answer is - If a parasite kills its host, it will then have to find a new host in order to survive.
Explanation:
Parasites are organisms that depend on other organisms for their food and energy in order to survive. The organism that they depend on is called their host. In this only parasites get benefitted while hosts are harmed.
Although parasites harm their hosts, parasites tend to not kill the host as its best for them so they do not have to find another host and again establish control on the host's body and body functions, for their survival.
. Which statement accurately describes the energy needs for photosynthesis and cellular respiration?
Answers
Which of the following is the most common pathway taken by a newly synthesised protein that will be secreted by a cell? O Golgi rough ER lysosome → transport vesicle → plasma membrane O rough ER → Golgi → transport vesicle nucleus O rough ER → lysosome → transport vesicle → plasma membrane O rough ER → Golgi transport vesicle plasma membrane
Answers
The most common pathway taken by a newly synthesized protein that is secreted by a cell is: rough ER → Golgi → transport vesicle → plasma membrane.
Rough ER (Endoplasmic Reticulum): The synthesis of proteins begins in the rough ER, where ribosomes attached to its surface translate mRNA into polypeptide chains. The rough ER plays a crucial role in protein synthesis and folding.
Golgi Apparatus: After synthesis, the newly synthesized proteins are transported from the rough ER to the Golgi apparatus. The Golgi apparatus further modifies and processes the proteins. It adds various functional groups, such as carbohydrates, to the proteins, creating glycoproteins. The Golgi apparatus also sorts the proteins and prepares them for transport.
Transport Vesicle: Once the proteins have been processed and modified in the Golgi apparatus, they are packaged into transport vesicles. These vesicles bud off from the Golgi apparatus and carry the proteins to their destination.
Plasma Membrane: The transport vesicles fuse with the plasma membrane, releasing the proteins outside the cell. This process is called exocytosis. The proteins are then free to perform their specific functions in the extracellular space or outside the cell.
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1. For each of the genotypes (letters) listed, write a phenotype (description).
In pea plants, purple flowers are dominant to white.
PP = purple
Pp =
PP =
In guinea pigs, short hair is dominant to long hair.
HH =
Hh =
hh =
Answers
Pp=purple
PP=purple
HH=short hair
Hh=short hair
hh=long hair
The nephron of mammals and malpighian tubules of insects are both involved in water and salt balance. They are also similar in that they are both:_______
Answers
The process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of its action was first fully
expounded by Charles Darwin and is now believed to be the main process that brings about evolution
True
False
Answers
True
The process is called natural selection and was first explored by Charles Darwin in the 19th century.
NATURAL SELECTION is the process whereby organisms better adapted to their environment tend to survive and produce more offspring. This concept was first developed by Darwin (both statements are TRUE).
Darwin referred to evolution as the process of 'descent with modification'.The main mechanism by which organisms evolve to adapt to their environments is natural selection.The theory of evolution by natural selection was developed by Darwin and it is now widely accepted as the main cause of evolution. According to Darwin, species change (evolve) over time, thereby giving rise to new species that share a common ancestor.In conclusion, NATURAL SELECTION is the process whereby organisms better adapted to their environment tend to survive and produce more offspring. The theory of evolution by natural selection was first developed by Darwin (both statements are TRUE).
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Which statement is true about the layers of the Earth? * 1 as temperature and pressure increases, density increases 2 As temperature and pressure increases, density decreases 3 Temperature and pressure are unrelated to density 4 Pressure and temperature are the only factors controlling density
Answers
Answer:
1. As temperature and pressure increases, density increases
Explanation:
The earth is composed of three main layers: Crust, Mantle and Core. The density or mass per unit volume of the earth's layers increases as one moves from the surface towards the interior of the earth known as the core. Also, there is an increase in pressure and temperature as depth increases. There are three main sources of heat in the earth's core: (1) conserved heat from when the planet formed and coalesced, (2) heat due to friction caused by denser core material sinking to the center of the planet, and (3) heat from the decay of radioactive elements.
The earth's core is composed almost entirely of the metals, iron and nickel. The core has an inner solid layer and a molten outer core. Iron and nickel are both very dense metals, so the core of the earth is very dense and the density increases with depth with the inner core being the most dense layer of the earth.
Describe a way that culture molds or defines biology
Answers
Culture has a significant impact on biology, including the ways in which people interact with one another, their lifestyles, and the foods they eat. Culture, in general, is a term that encompasses all human behavior patterns and social norms, which include things like language, traditions, beliefs, and customs.
culture molds or defines biology:
One of the keyways that culture molds or defines biology is through dietary practices and patterns. For example, many cultures have specific dietary guidelines and restrictions that are followed to ensure good health. In India, for example, vegetarianism is very common due to religious beliefs. Another example is the Japanese culture that places a strong emphasis on consuming fresh and minimally processed foods like fish, vegetables, and rice. These dietary practices have a profound impact on biology, including physical growth and development, cognitive function, and overall health and well-being. Another way culture molds biology is through behavior and lifestyle choices. For instance, in many Western cultures, it is common to sit for extended periods, which can lead to issues such as obesity, diabetes, and heart disease. In contrast, in many African and Asian cultures, individuals tend to be more active and engage in more physical labor, which can contribute to better overall health and lower disease rates. Other examples of culture affecting biology include reproductive behavior, attitudes towards mental health, and the use of natural remedies and medicines.
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PLZZ HELP...i've been trying to figure this out but its just not clicking for me.
Use the information given in the images above to answer the following questions.
**A Punnett square should be used to find each answer.**
1. What is the chance that their child would have unattached earlobes? ¬¬¬_____
2. Beyonce has a straight hairline, which is a recessive trait. Bruno also has a straight hairline. What is the chance that their child would have a widow’s peak? _____
3. Beyonce has no dimples (Dd). Bruno has dimples, which is a recessive trait. What is the chance that their child would have dimples? _____
4. Beyonce has a cleft chin (CC). Bruno has a smooth chin, which is a recessive trait. What is the chance that their offspring would have a smooth chin? ____
5. Beyonce and Bruno are both heterozygous for brown eyes. What is the genotypic ratio for their offspring?
Answers
Answer:
NOT MY ANSWERS! COPIED FROM palmchika13!!
Complete dominance occurs when the dominant allele completely masks the recessive allele in heter0zyg0us individuals. 1) 100% / 2) no chance / 3) 50% / 4) no chance / 5) 1:2:1.
------------------------------------------------------------
Available data:
→ Six diallelic genes code for six different traits.
→ All genes express complete dominance, meaning that the dominant allele hides the expression of the recessive one.
→ Beyonce ⇒ ee ww Dd Hh cc Bb
→ Bruno Mars ⇒ ee ww dd Hh CC Bb
→ Cross: Beyonce x Bruno Mars
****************************
1) Earlobes
Parentals) ee x ee
Gametes) e e e e
Punnett square) e e
e ee ee
e ee ee
F1) 100% of the progeny is expected to have unattached earlobes, ee.
******************
2) hairline
Parentals) ww x ww
Gametes) w w w w
Punnett square) w w
w ww ww
w ww ww
F1) 100% of the progeny is expected to have straight hairline, ww.
There is no chance for their children to have widow’s peak because both of them are h0m0zyg0us recessive for the trait.
***********************
3) Dimples
Parentals) Dd x dd
Gametes) D d d d
Punnett square) D d
d Dd dd
d Dd dd
F1) 2/4 = 1/2 = 50% of the progeny is expected to have dimples, dd
2/4 = 1/2 = 50% of the progeny is expected to have no dimples, Dd.
***********************
4) Chin
Parentals) CC x cc
Gametes) C C c c
Punnett square) C C
c Cc Cc
c Cc Cc
F1) 100% of the progeny is expected to have cleft chin, Cc
There is no chance for their children to have smooth chin because one of them is h0m0zyg0us dominant and the other one is h0m0zyg0us recessive for the trait. C hides the expression of c.
The whole porgeny is expected to be heter0zyg0us, Cc, expressing cleft chin.
***********************
5) Eyes
Parentals) Bb x Bb
Gametes) B b B b
Punnett square) B b
B BB Bb
b Bb bb
F1) 3/4 = 75% of the progeny is expected to have brown eyes, BB + Bb
1/4 = 25% of the progeny is expected to have blue eyes, bb
Genotypic ratio ⇒ 1:2:1 Phenotypic ratio ⇒ 3:1
-----------------------------------------------
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True or False1. Most of the reabsorption of glomerular filtrate occurs in the proximal tubules and descending limbs of nephron loops.2. The active transport of salt in the descending limb is responsible for the increase in concentration of tubular fluid.3. In the proximal tubules, sodium is actively transported out of the filtrate, and water follows by osmosis.4. Salt is actively transported across the membrane of the ascending loop of Henle, into the interstitial fluid.
Answers
The statement "Most of the reabsorption of glomerular filtrate occurs in the proximal tubules and descending limbs of nephron loops" is false because most of the reabsorption of glomerular filtrate occurs in the proximal tubules and ascending limbs of nephron loops.
False. The active transport of salt in the ascending limb is responsible for the increase in concentration of tubular fluid, True. In the proximal tubules, sodium is actively transported out of the filtrate, and water follows by osmosis, True. Salt is actively transported across the membrane of the ascending loop of Henle, into the interstitial fluid.
In the proximal tubule, about 60-70% of the filtrate is reabsorbed, and in the descending limb of the loop of Henle, water is reabsorbed.This process is called obligatory water reabsorption, as water reabsorption is tied to the reabsorption of solutes like sodium.
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The
is important to pre-ruminants because it allows the milk to travel directly from the mouth to the
Answers
Answer:
reticular groove
Explanation:
Hat percent of electricity in the UK will come from renewable sources by 2010? a. 1% c. 10% b. 5% d. 40%
Answers
Answer:
C, 10%
Explanation:
For the year of 2010, it's definitely 10%
which of the following is true of an x-linked gene, but not of a y-linked gene?
Answers
X linked gene is present in both males and females. X linked genes having patterns such that the inheritance patterns like this that they are different from the kind of pattern found on autosomes.
What is the basic difference between linked and non linked genes ?The basic difference between linked and non linked genes is that the genes which can be better together are called as linked and the genes which are not linked are called as non linked genes.
Y linked genes can only be inherited from the fathers only.
X linked recessive mutations can be passed down to the parents to the child via the mutations like there are many certain mutations that are related to the X linked changes thus the certain kind of mutations that would lead to the dominance of the trait and cause the disorder.
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In a species of Drosophila, developing larva have special proteins in their epithelial cells. These proteins bind to a certain repressor in the larva's cells, which ultimately causes a dark pigment to be produced. What would you expect if scientists purposely injected a developing larva with an excess of these proteins?
Answers
Answer:
The larva gets dark pigment.
Explanation:
If scientists purposely injected an excess concentration of these proteins in the larva, the larva gets deep dark colour because this protein is responsible for the pigment colour in the larva of Drosophila. By increasing the protein concentration the pigment will also have a very dark colour. So we can conclude from this that increasing the amount of protein causes increase in the pigment colour.
What are proppants? What is there relationship to the process of fracking?
Answers
Fracking is the process of drilling down into the earth before a high-pressure water mixture is directed at the rock to release the gas inside. Water, sand and chemicals are injected into the rock at high pressure which allows the gas to flow out to the head of the well.
How are Protista similar to bacteria
Both are comprised of
Answers
Answer:
Both bacteria and protists have cell membranes made of chemicals called phospholipids
the optimum ph for most bacteria is near
Answers
At pH 6-7.5, the majority of bacteria can grow most effectively. However, while the alkaliphiles group of bacteria thrives at high pH, the acidophiles demand acidic pH for their maximum growth.
Fungi often require a lower pH than bacteria to flourish. Microbes can be divided into three groups based on their pH requirements for optimal growth: acidophiles, neutrophiles, and alkaliphiles (Horikoshi, 1999; Baker-Austin and Dopson, 2007). Acidophiles grow best at pH levels below 5, neutrophiles, between 5 and 9, and alkaliphiles, above 9. The ideal pH range for most bacteria to grow in is between 6.5 and 7.5. A buffer is added to the medium to maintain the pH balance.
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The optimum ph for most bacteria is near ________.
Consider the following process. Fresh feed consisting of pure A enters the process and is fed to a reactor, where a portion of it reacts to form species B. The outlet stream of the reactor is fed into a separation unit, which allows a stream of pure A to be recycled back into the fresh feed stream. You may assume that the recycle stream contains pure species A, but you do not know whether the outlet stream of the separation unit contains pure species B SEPARATION UNIT REACTOR In light of the information given above, which of the following is definitely true? The single-pass conversion is 100 %. The overall conversion is greater than the single-pass conversion. The overall conversion is 100%. The overall conversion is less than 100% O O The overall conversion is less than the single-pass conversion. The single-pass conversion less than 100%.
Answers
In light of the information, the following statement is definitely true is the overall conversion is greater than the single-pass conversion (Option B).
A separation unit is used in the process described in the question. A stream of pure A can be recycled back into the fresh feed stream. The outlet stream of the reactor is fed into the separation unit which allows the pure A to be separated from the mixture. Therefore, it is clear that the recycle stream is pure A.
We know that a portion of pure A entering the reactor will form B. The outlet stream of the reactor is fed into the separation unit. This separation unit separates the formed B from the mixture and the pure A is recycled back. Therefore, we know that the mixture in the separation unit outlet stream only contains species B. Hence, the overall conversion is greater than the single-pass conversion.
Thus, the correct option is B.
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