Answer:
A
Explanation:
the selectively permeable membrane should be plasma membrane.
and it states it follow concentration gradient
so i think it is A
osmosis is for water
I hope i helped you.
The cladogram shown below describes the evolutionary relationship among several species, labeled A to F. The five dots represent derived characters.
A cladogram includes a line with 5 dots. From bottom to top, the dots are labeled Trait 1 to Trait 5. Branches from the line lead to tips labeled A to F. Labels C and D are at the ends of very short branches off a longer branch.
The cladogram supports which of these predictions about the genomes of the six species?
A. The genome of species E is equally similar to the genomes of species D and F.
B. The genome of species E is more similar to the genome of species F than to any of the other species.
C. The genomes of species C and D are nearly identical because neither species has a derived character.
D. The genomes of the six species share few, if any, DNA sequences.
(You will find the cladogram in the attaches files)
Answer:
C. The genomes of species C and D are nearly identical because neither species has a derived character.
Explanation:
A Cladogram is a tree-type graph based on cladistic analysis. It represents the common ancestral relationships among the involved groups.
The tree-type graph is a ramified diagram that represents the relationship between the involved taxa. The cladistic analysis follows the maximum parsimony criterium. Explains the character state from the point of view of the fewest changes through history. Explains evolution with the minimal amount of evolutive changes. It recognizes the monophyletic groups as natural groups. These groups are the clades, and their classification -sequencing- represents their phylogeny. The sequencing term refers to lists of groups according to their relation. One group is the brother-group of the following one.So the cladogram represents the relationship between groups according to a derived character.
The derivated character is any trait that a group passes to the descendants. Through evolution, the characters change, and new changes are added. When referring to a derivate character, we mean that all the subsequent species in the cladogram carry the trait.
A cladogram provides an image of how new species keep characters that were inherited from older species.
So, in the exposed example, the five dots represent derived characters, representing traits 1 to 5. Branches A to F, represent groups. (See the cladogram in the attached files). Group A inherited trait 1, group B probably still carries trait 1, but also trait 2. Groups C and D equally inherited trait 3. Group E inherited character 4, and finally, group F inherited character 5.
Groups C and D inherited trait 3 and probably also still have traits 1 and 2. So they are very similar to each other. At a certain point, they diverged, probably due to a new mutation that was not passed to the rest of the group.
C. The genomes of species C and D are nearly identical because neither species has a derived character. Correct.
Original DNA coding strand: TAC CCG ACG GGC GAT AGT TTC
DNA 1: TAC CCA CGG GCG ATA GTT TC
DNA 2: TAC CCG ACG GGC GAT AGT TTT
a) What types of mutation have occurred in each of the DNA 1 and DNA 2 sequences?
b) Explain how these mutations affect the amino acid sequence produced and the overall effect on the final protein. Which mutation will cause the most disruption to the overall protein structure and why?
I need help!
What significance does density have for earth?
Answer:
The atmosphere and Earth's interior are layered by density. Gravity pulls more strongly on denser materials so denser materials are at the center of things. Earth's core, at its center, is denser than its crust. The lowest layer of the atmosphere is denser than the upper layer.
Explain natural selection using the finches as an
example.
how much oil was released in the cuyahoga river
Answer:
about 90
Explanation:
Why is it difficult to avoid a tsunami?
Answer:
It is difficult to avoid a tsunami due to it being such a large volume of water that is capable of destroying a large amount of land.
Explanation:
However, even though it is difficult to avoid a tsunami, as they are extremely difficult to predict, there are ways where one can begin to prepare before it hits. One of the ways you can do this is getting to a higher ground far away from inland, avoiding downed power lines, and steering clear of buildings or bridges where large, heavy objects could fall during an aftershock.
Tsunamis are incredibly dangerous, since there is a great chance that if you get caught in one, you can drown. Since tsunamis have little to no warning when they arrive, it is always essential to be prepared when one strikes.
I hope this helped! :)
populus alba son hermafroditas o unisexuales xfa
Answer:
I can’t answer this
Explanation:
The southern hemisphere is another name for the southern _____________ of the earth.
(Video "Bill Nye Seasons") (5th grade science)
Answer:
southern equator
Explanation:
What is the main function of nervous tissue?
The medical term for "to break" is
Biological classification is important because it allows scientists to study organisms in a ____ way? A.mnemonic, B.cladistic, C.problematic D.systematic
Which is true of electric cars?
Answer:
that they have more problems than other cars because of the engery it uses
hope that helped lowk;)
Refer to Figure 14. A plant with leaves that have branching/netted veins would be classified into
which plant group?
A. monocot
B. moss
C. gymnosperm
D. dicot
Plants with branching veins are called Dicot hence the answer is D
D(dicot)
How is the formation of RNA similar to DNA replication?
Answer:
Both DNA replication and Transcription involve the generation of a new copy of the DNA in a cell. DNA transcription is involved in replicating the DNA into RNA, while the DNA replication makes another copy of DNA. Both the process is involved in the production of new nucleic acids- DNA or RNA.
Explanation:
The formation of RNA is similar to DNA replication because both processes require an analogous enzyme (Polymerase).
What is DNA replication?DNA replication refers to the process of duplication of the genetic material before cell division (either mitosis or meiosis).
DNA replication requires different enzymes such as DNA polymerase, ligase, RNA primase and topoisomerase. Moreover, RNA replication or transcription also requires a nucleotide polymerase (RNA pol), which uses DNA as a template to generate complementary RNA.In conclusion, the formation of RNA is similar to DNA replication because both processes require an analogous enzyme (Polymerase).
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Which is an effect of a compromised immune system?
decreased antibody production
improved ability to fight disease
increased lymphocyte production
reduction in pathogens entering the body
Answer:
A: Decreased antibody production
Explanation:
It's the only one that makes sense when you think about it.
Decreased antibody production is an effect of a compromised immune system. So, the correct option is A.
What is an Immune system?The immune system is a complex system of cells, tissues, and organs that cooperate to defend the body against foreign pathogens, including bacteria, viruses, and fungi, as well as other dangerous chemicals. It plays an important role in maintaining the health of the body, by discriminating between foreign invaders and the body's own healthy cells and tissues.
White blood cells of all stripes, including lymphocytes, phagocytes, and natural killer cells, as well as other specialized cells and substances, including antibodies, complement proteins, and cytokines, make up the immune system. Together, these proteins and cells help the body recognize and destroy invading invaders.
Therefore, the correct option is A.
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(C) Based on the data, identify the population that is likely to have the highest frequency of heterozygous. Assuming random mating, calculate the frequency of animals in population 1 that carry both alleles 1 and 3
Answer:
The frequency of animals in population one to carry both alleles in 1&3 is .85%.
Explanation:
Just did the FRQ, hope that this helps. Please mark me brainliest! Peace and Love
According to the Hardy Weinberg equilibrium, the frequency of animals in population one to carry both alleles in 1&3 is 0.85
What is Hardy Weinberg equilibrium?
Hardy–Weinberg Equilibrium (HWE) is a null model of the relationship between allele and genotype frequencies, both within and between generations, under assumptions of no mutation, no migration, no selection, random mating, and infinite population size.
by using this equation p²+q²=1
Hence, Hardy Weinberg equilibrium, the frequency of animals in population one to carry both alleles in 1&3 is 0.85
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A mosquito goes through complete metamorphosis. In this life cycle which stage comes after the egg stage?
A. pupa
B. larva
C. adult
D. nymph
Answer:
A.Pupa
Explanation:
The four stages are egg, pupa, larva, and adult. The full life-cycle of a mosquito takes about a month.
Answer:
The correct answer is B. Larva
Explanation:
The 4 stages of the mosquito in order is:
1. Egg
2. Larva
3. Pupa
4. Adult
Hope this helps! Have an awesome day :)
In starfish, pink boy color(P) is dominant to orange(p) , and thick eyebrows(T) are dominant over thin(t) ones. Patrick , who is In starfish, pink boy color(P) is dominant to orange(p) , and thick eyebrows(T) are dominant over thin(t) ones. Patrick , who is heterozygous for body color but purebred for thick eyebrows , has met Patti , who is recessive for both traits. for body color but purebred for thick eyebrows , has met Patti , who is recessive for both traits. show the cross
Answer:
Explanation:
From the given information;
Pink boy color = P = dominant
orange boy color = p = recessive
Also; for eyebrows:
thick eyebrows (T) is dominant over thin eyebrow t i.e. (recessive)
However, if Patrick = heterozygous for body color i.e. Pp but purebred for thick eyebrow, i.e. TT crosses with;
Patti who's recessive for both traits,
i.e. pp for body color and tt for thin eyebrow.
Then the punnett square cross can be computed as follows:
For Patrick :
Pp × TT = PT PT pT pT
For Patti
pp × tt = pt pt pt pt
PT PT pT pT
pt PpTt PpTt ppTt ppTt
pt PpTt PpTt ppTt ppTt
pt PpTt PpTt ppTt ppTt
pt PpTt PpTt ppTt ppTt
ples a litte help
What is the difference between learned and inherited behavior?
Question 6 options:
Learned behavior is something that animals are born with. Inherited behavior is taught to a newborn animal.
Learned behavior is something that cannot change over time. Inherited behavior changes over time.
Learned behavior is obtained during an animal’s life span. Inherited behavior is something that animals are born with.
Learned behavior is passed down through each generation. Inherited behavior is obtained from watching other species.
Answer:
#3 is the answer
Explanation:
Answer:
The answer is c
Learned behavior is obtained during an animal’s life span. Inherited behavior is something that animals are born with.
Homeostasis is a tendency to remain more or less stable. In nature, this is maintained primarily by _________
Answer:
regulatory mechanism that's either positive or negative feedback mechanism
Explanation:
In thermoregulation, the body temperature is contracted by the thermoregulatory center in the hypothalamus. It receives input from two sets of thermo receptors. Receptors in the skin monitor the external temperature
Name three functions of the hormone epinephrine.
Answer: See explanation
Explanation:
Epinephrine is also referred to as Adrenaline and it is formed in the medulla oblaganta by adrenal glands and neurons. Some of it's functions include:
1. To help increase the cardiac output.
2. It is vital for respiration as it speeds up breathing.
3. To raise the level of glucose in the blood.
4. To increase the blood pressure by stimulating heart rate.
Cichlids, a type of fish, were introduced to a lake around 200 years ago. Over the years, the fish have developed into two distinct groups. One group stays in the main lake and the other group resides in the streams that flow into it. Both groups of cichlids breed in the same streams at the same time of year. However, the groups are splitting into two genetically and physically different types of fishes. How would you classify this type of speciation
Answer:
sympatric speciation
Explanation:
Different sympatric species have the same closest ancestor and live in the same area but inhabiting different niches.
The steps for sympatric speciation are:
An ancestral species inhabit a geographic area.With time, different populations of the same species occupy different niches or microhabitats in this general area. As the microhabitats are different, they have different environmental pressures that are acting on each population.These pressures lead to the origin of differences between groups, which need to adapt to each environmentEach population suffers genetic changes due to environmental conditions. These changes are inheritable.With time, these differences drive to the final complete divergence of populations, becoming different species and reproductively isolated.In sympatric speciation, the interruption of genetic flow must be fast, and there must be differences in niches so no species can compete and displace the other species. Speciation occurs in the same distribution area of the original species. The new species originate in a place with no physical barriers but different environmental pressures.
In the exposed example,
The introduced Cichlid fishes 200 years ago → Original species and the common ancestor between the new derivated speciesThe lake → general geographic areaThe main lake and the streams → Microhabitats or niches with different pressures eachThe groups are splitting into two genetically and physically different types of fishes. They do not mate. There is no genetic flow between groups. → Speciation process.Select the CORAL REEF tab. Click Return to original settings and Restart. Set the White band infection rate to 100%. Click Advance year two times. What do you see?
Answer:
Its first one then third one then last one
Explanation:
Im doing the diagonstic
Due to the tissue loss, a distinct line of bare white skeleton developed, which is how the disease got its name. The reef's food source changes when the corals are removed, changing the species makeup totally.
What is the cause of White band infection?A bacterial condition called the “white plague” is frequently mistaken for coral bleaching. According to recent investigations, the sickness comes in many forms. Corals lose tissue in every situation, exposing their exposed, raw, white skeleton.
Coral illnesses can spread through a variety of routes, including direct contact, water- or vector-borne transmission, and the relative weights of these routes can vary over time and across geographical areas and disease systems.
Therefore, A solid indication that an infection is present is if your band cell count is more than 10%. To identify the underlying cause of your bandemia, your doctor will advise more diagnostic procedures.
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Genes are composed of hereditary material. Identify this hereditary material
The hereditary material shown is a chromosome.
Chromosomes
What is a chromosomes ?
A structure found inside the nucleus of a cell. A chromosome is made up of proteins and DNA organized into genes. Each cell normally contains 23 pairs of chromosomes.
What is hereditary material ?
“hereditary” is something that is passed on from parent to offspring, or from a cell to the two new daughter cells during cell division. DNA contains genetic material and we get our genetic material passed on from your parents.
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small grasses are usually the first plants to appear in an area after a disturbance. these grasses are an example of which type of species?! HELP
Please help, need answer ASAP
Answer:
D
Explanation:
Most earthquakes occur along the edge of the oceanic and continental plates.
What effect would building a highway have on an ecosystem?
A) increase in butterfly migration
B) Decrease in destruction of a habitat
C) Increase in carbon dioxide
D) Increase in oxygen
Answer:
C
Explanation:
Building a highway destroys an ecosystem/habitat, so not b. With the ecosystem destroyed there will be a reduced number of trees that produce oxygen, so not d. Now you make an educated guess. If there is a large highway there will be a lot of cars which produce lots of carbon dioxide. No butterflies.
Answer:
Increase in Co2
Explanation:
More vehickes mpre Pollution
Which of these factors will increase blood flow?
A) Atheroscleoris
B) High viscosity
C) Vasodilation
D) Vasoconstriction
vasodilation
Explanation:
gets bigger
What is chemiosmosis?
The coupling of ATP synthesis and proton movement by ATP Synthase
The formation of high-energy electrons during cell respiration
The harvesting of energy from ATP to do cellular work
The formation of carbon dioxide during cell respiration
Answer:
The harvesting of energy from ATP to do cellular work
Explanation:
Webbed feet is a recessive trait in iguanas. The chart shows the prevalence of alleles for webbed feet over three generations. Analyze the data for evidence of evolution. Choose all the statements supported by the data.
Answer:
A,C,D
Natural selection is occurring, Webbed feet became more common over time, There is a selective advantage for iguanas with webbed feet
Explanation: Did it on USA Test prep
The statements which is supported by the data include the
following:
Natural selection is occurring.Webbed feet became more common over time.There is a selective advantage for iguanas with webbed feet.What is Selective advantage?These are the traits which gives an organism better chances of
survival and reproduction when compared to others.
In the case of Iguanas, their webbed feet developed over time
as a result of natural selection occurring. This created a
selective advantage as it can swim and dwell in water.
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