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Related Questions
Part A
In the figure below, working from the inside out, what would be the order of components observed?
water, hydrophilic head, hydrophobic tail, hydrophobic tall, hydrophilic head, water hydrophobic tail, water, hydrophilic head, hydrophilic head, water, hydrophobic tail water, hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail, water water, hydrophobic tail, hydrophilic head, hydrophilic head, hydrophobic tail, water
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Early human embryos have pharyngeal pouches (the same structures that in fish develop into gills) even though humans do not need gills. How does evolution explain this?
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Answer:
That means that humans and fish have a common ancestor that had gills
Explanation:
The presence of pharyngeal pouches both in fish embryos and human embryos can be considered as an important evidence of evolution in vertebrates. During early human development, the embryo has pharyngeal pouches which form on the endodermal layer (i.e., the innermost of the three primary germ layers in the early embryo), located between the pharyngeal arches. In fish, these structures (pharyngeal pouches) develop into gills, while in humans they subsequently develop into the middle ear cavity, pharyngotympanic tube, palatine tonsil, thymus and parathyroid glands.
thin vessels, similar to veins, that carry lymph to lymph nodes
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Answer:
[tex]\begin{gathered}\huge\bold\purple{Lymphatic Vessels} \\ \\ \huge \end{gathered}[/tex]
Thin vessels, similar to veins, that carry lymph to lymph nodes are called lymphatic vessels or just lymph vessels.
ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ
[tex] \huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}[/tex]
Albinism, lack of pigmentation in humans, is an autosomal recessive disorder. A normally pigmented woman who has an albino uncle wishes to marry a phenotypically normal man whose sister is an albino. (Assume that these are the only individuals known to be albino in the two families) What is the probability that the couple's first child is an albino girl
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Hi, you've asked an incomplete question. The missing options read;
a. 1/6
b. 1/9
c. 1/18
d. 1/36
e. none of these choices
Answer:
e. none of these choices
Explanation:
Remember, someone with an h.o.m.o.z.y.g.o.u.s gene basically inherits two identical alleles; one from their biological mother and the other their biological father.
In this scenario, the real concern should be to determine the probability that the girl child inherits a dominant allele that contains the gene that causes albinism. Hence, since there's little information about the gene type of the parents, a concise assumption can be made, thus rendering the listed options unlikely.
When examining genotypes you can determine dominant traits will be seen in the phenotype because
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I think it is:
A dominant trait always over powers a recessive.
What animals have been dominant in the Cenozoic era
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Explanation:
Cave lions, sabre-toothed cats, cave bears, giant deer, woolly rhinoceroses, and woolly mammoths were prevailing species of the Quaternary period. Without the dinosaurs, plant life had an opportunity to flourish during the Cenozoic era.
The Quaternary period was dominated by cave lions, saber-toothed cats, cave bears, giant deer, woolly rhinoceroses, and woolly mammoths. Plant life had a chance to thrive during the Cenozoic era without the dinosaurs.
What are the characteristics of Cenozoic era?From the Cenozoic period nearly 66 million years ago to the present day, life is considered recent.
Plants and animals look the one most like they do today during this time period.
The Cenozoic Era is divided into even smaller periods known as Epochs, so there will be even more guideposts in this Era.
Because of the extinction of many groups of giant mammals during the Cenozoic era, smaller species were able to thrive and diversify because their predators no longer existed.
Thus, big cats, saber-toothed cats, cave bears, giant deer, woolly rhinoceroses, and woolly mammoths monopolized the Quaternary period.
Plant life had a chance to thrive without the dinosaurs during the Cenozoic era.
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1. What other process can you think of that is similar to the journey of a signal through the neuron? For
example, a relay race can be similar to a neuron passing the baton to another neuron. Think of another
example and explain how.
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Neurons are similar to other cells in body because: Neurons are surrounded by cell membrane. Neurons have nucleus that contains genes. It contain cytoplasm, mitochondria and other organelles.
what are neural signals?
Information from one neuron flows to another neuron across small gap called a synapse (SIN-aps). At synapse, electrical signals are translated into chemical signals in order to cross the gap. Once on other side, the signal becomes electrical again.
The transfer of information from neuron to neuron takes place through release of chemical substances into the space between axon and the dendrites. These chemicals are called neurotransmitters, and process is called neurotransmission. The space between the axon and dendrites is called the synapse
Neurotransmitter release from presynaptic terminal consists of a series of intricate steps:
1) depolarization of the terminal membrane
2) activation of voltage-gated Ca2+ channels
3) Ca2+ entry
4) a change in conformation of docking proteins
5) fusion of the vesicle to the plasma membrane
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HELP ASAP!!!!!!! LIMITED TIME!!!!!!! PLEASE
The average temperature of Earth has increased approximately 0.8°C in the last one hundred years. Which of the following do researchers most attribute to this temperature increase?
Select one:
1. the lower amounts of carbon dioxide
2. increased use of fossil fuels
3. increased population in third-world countries
4. the solar flares reaching Earth
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Answer:
2
Explanation:
mitosis and meiosis are different types of cell division? Which of the following events occurs Only during the process of meiosis?
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Answer:
True; C: chromatid formation
Explanation:
The following shows a food chain in a garden environment.
Sun → grass → grasshopper → bird
Which statement describes the energy transfer in this food chain?
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Answer:
the best transfer is the sun
Which of the following is NOT true about DNA? it has the instructions to make proteins only human cells have DNA it is found in the nucleus of eukaryotes a gene is a segment of DNA on a chromosome
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Answer:
The lie is the second- only humans have DNA, all living things have DNA, so two would be your answer!
8. Lion and Hyena --> What relationship is present between the Lion and
Hyena
O Mutualism
O Competition
O Commensalism
O Parasitism
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Both species are fiercely protective of their territory and hostile to other animals, hence option B, Competition is correct.
What is Competition?Hyenas have been known to be killed by lions, and the hyena protecting the den will deal with an intruding lion promptly and violently.
As a result, they compete for food, pursue one another, and occasionally even murder each other's young.
They are continuously battling it out for territory or food. The animals also hunt each other and kill one other's young. Their relationship is one of competition.
Therefore, a competitive relationship is present between the Lion and
Hyena.
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What is the difference between a tropism and a nastic response?
A. Nastic responses require a stronger stimulus than tropisms do.
B. Nastic responses are independent of the direction of the stimulus.
C. Tropisms require a stronger stimulus than nastic responses do.
D. Tropisms are independent of the direction of the stimulus.
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Answer:
I think the answer is B hopefully this will help you
The difference between a tropism and a nastic response is the nastic responses are independent of the direction of the stimulus.
What do you mean by tropism?Tropism is a process in biology that denotes the expansion or rotation of an organism, typically a plant, in response to an environmental stimulation.
The presence of cellular receptors that allow for viral entry, the availability of transcription factors involved in viral replication, the molecular make-up of the viral tropogen, and the presence of cellular receptors.
Tropism is the growth toward or away from a stimulus. Plants tend to slant toward the light, as you may have seen. This is an illustration of a phototropism, a tropism in which light serves as the stimulus.
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Experiment: Maria wants to see which fertilizer makes her fig plants
grow best. She will grow 3 fig plants. One plant she will add no
fertilizer, one plant she will add 1 mg of nitrogen powder, and one
plant she will add 1 mg of phosphorus powder. She will measure the
height of each plant every week for 3 months.
Question 1
What is the independent variable?
A. the height of the plant
B. the amount of fertilizer
C. the type of fertilizer
D. the type of plant
Question 3
What is a possible constant?
A. the height of the plant
B. the diameter of the plant
C. the type of fertilizer
D. the amount of fertilizer
Question 2
What is the dependent variable?
A. the height of the plant
B. the amount of fertilizer
C. the type of fertilizer
D. the type of plant
Question 4
Why did Maria not fertilize one of the
plants?
A. to make the experiment easier
B. to compare the results of the other
fertilizers (control group)
C. it was a mistake
D. to purposely kill that plant
nter the correct 4 digits to escape this level. *
LEVEL 3
Convert your letter into a number
A +4=7
7- B=2
C +2=9
5- D=4
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Answer:
Answer 1: B. the amount of fertilizer
Answer 2: A. the height of the plant
Answer 3: D. the amount of fertilizer
Answer 4: B. to compare the results of the other fertilizers (control group)
Explanation:
Which hormone is associated with a slight increase in a woman's temperature after
ovulation:
progresterone
estrogen
testosterone
follicle stimulating hormone
they
O luteninizing hormone
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Which is the correct description for internuerons?
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Answer:
Interneurons (also known as association neurons) are neurons that are found exclusively in the central nervous system. It also connects to other interneurons, allowing them to communicate with one another.
Explanation:
Describe the processes by which root hair cells absorb water and mineral ions from the soil
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[tex] \huge\hookrightarrow \mathfrak{Answer}[/tex]
The process by which root hair cells absorbs water and mineral ions (sap) from soil is :
[tex] \huge\boxed {\mathcal{Osmosis}}[/tex]
take 100 points just look the picture
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Potential barriers to the absorption of drugs that easily pass through the absorbing cell of the epithelium include an aqueous stagnant layer that lies over the apical membrane and the subepithelial blood flow. Less permeable medications may encounter potential obstacles in the apical, basal, and basement membranes.
There has been much controversy on immunizing children • (vaccinating them), especially in regards to autism. This has led to the reappearance of sometimes deadly diseases, such as measles and mumps. what is your opinion? should children be vaccinated against diseases or not?
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Answer:
i dont know the work week
What is the relationship between plate boundaries and earthquakes/volcanoes?
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Answer: Plate boundaries are where tectonic plates meet and once those plates moves or shifts it will cause earthquakes. Now these earthquakes may result to the eruption of an active volcano or may form a new volcano due to the pathways where pressure may push through from the magma chambers caused by the movement of tectonic plates.
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Which of the following is not a reason carbon is so vital to life .
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Answer: Carbon only bonds with other carbons
Explanation: It cannot be the answer because carbon forms bonds with other elements as well.
Why is it difficult to evaporate seawater?
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Answer: Different liquids will evaporate differently depending on the force of attraction between the molecules of the liquid. The weaker the force of attraction the higher the rate of evaporation and vice versa.
In Sea water the water molecules are attracted to the salt ions and thus it requires more energy to evaporate.
Mount Kilimanjaro is located in Eastern Africa at 3 degrees S. Which climate factor best explains the presence of permanent snow on its peak
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Answer:
Elevation
Explanation:
The climate factor which best explains the presence of permanent snow on its peak is high elevation or altitude.
What is Altitude?This is defined as the height of an object or substance which is normally above the reference level.
High altitude means a colder environment and thus is the reason why there is presence of permanent snow on the mountain's peak.
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In what form is energy stored in muscles
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it’s basically glucose it’s the main source of fuel for our cells/
Provide an example of how the ocean plays important role in climate change
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1. Common monosaccharides have a backbone of five or six carbon atoms and two or more
Select
groups.
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Between three and eight carbon atoms can be found in a monosaccharide, although only those with five (pentoses) and six (hexoses) are typically seen in nature.
What are the monosaccharides?The most prevalent monosaccharide is glucose, often known as dextrose or blood sugar. However, glucose accounts for a very minor portion of the total carbohydrates in a regular diet.
The majority of the time, glucose is only consumed when it is joined with other sugars to form a poly- or disaccharide.
The three monosaccharides that are most prevalent are glucose, fructose, and galactose. The monosaccharide category also comprises sugar alcohols and pentoses in addition to these three sugars.
Therefore, monosaccharides have a backbone of five or six carbon atoms.
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Cultural evolution and biological evolution are similar in some ways. Important distinctions between them include:
a.
cultural behavior is not subject to selection
b.
biological change occurs more rapidly
c.
different mechanisms for the transmission of change
d.
all of the above.
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Answer:
i would go with b
Explanation:
Both are based on variation, heredity and selection, but how these appear and work differ. Biological evolution is unconscious, opportunistic and not goal-directed, while cultural evolution is conscious, at best planned, and can have a goal.
mkaqvzcdwp how many types of plants are there
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Answer:
There are more than 60 types of plants
Explanation:
Hope it helps you
PLS RATE AS BRAINLIEST ANSWER
Would u pls help me ?????
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Answer:
1.d 2.d 3.a 4.b 5.d 6.d 7.a
how did tobacco mosaic got its name?
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Answer:
It was first described in the late 19th century and got its name because it causes a mottled or mosaic-like pattern of light and dark green on the leaves of infected plants. The disease is caused by a virus that is transmitted through contaminated seed, soil, and tools, as well as by insects that feed on infected plants.