I need help
please ASAP ​

Answer:

1: C

2: T

3: G

4: T

5: A

Explanation:

G and C are matching base pairs and A and T are matching.

The bone that has tuberosities that are the strongest parts of the hip bones is the "Ilium."

In addition to the ischium and the pubis, the ilium is one of the three bones that are responsible for the formation of each hip bone. The ilium is distinguished by two conspicuous tuberosities: the larger sciatic notch, which is found on the posterior part of the ilium, and the iliac crest, which forms the top curving border of the hip bone.

Both of these significant tuberosities are found on the ilium. These tuberosities serve as attachment places for a variety of muscles and ligaments, which helps to increase the hip joint's overall strength and stability.

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The most likely limiting factor in this situation is increased predation by the newly introduced gopher snakes. Option 4.

The introduction of gopher snakes to the forest likely increased the predation pressure on the kangaroo rat population.

With the addition of a new predator, the kangaroo rats may have had fewer opportunities to mate and reproduce, leading to a decline in their population.

Additionally, the presence of gopher snakes may have caused kangaroo rats to alter their behavior to avoid predation, such as by staying hidden in burrows or moving to new locations, which could reduce their access to resources like food and water.

Therefore, increased predation is the most likely limiting factor that caused the decline in the kangaroo rat population.

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Answer:

The answer is FALSE

Explanation:

Im doing to same class

Answer:

The nervous system influence the respiratory system by regulating breathing rate.

Explanation:

The respiratory system is controlled by the nervous system, which consists of two branches - the sympathetic and parasympathetic nervous systems. In addition the respiratory centers of the brainstem is responsible for the regulation of breathing patterns.

The environmental group is most closely associated with mountain climbing, backpacking is Sierra Club, option (C) is correct.

The Sierra Club is most closely associated with mountain climbing, backpacking, and camping. Founded in 1892, the Sierra Club is one of the oldest and largest environmental organizations in the United States. It has a long history of promoting outdoor recreational activities and conservation efforts in natural landscapes, particularly in mountainous regions.

The club's members and supporters actively engage in activities such as hiking, backpacking, and camping, often in environmentally sensitive areas. The Sierra Club advocates for the protection of wilderness areas, preservation of ecosystems, and sustainable outdoor recreation practices. Through its outings programs and conservation campaigns, the Sierra Club encourages people to connect with nature, experience the beauty of mountains, and develop a sense of stewardship towards the environment, option (C) is correct.

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False. Inheritance of the sickle cell allele from only one parent results in sickle cell trait, not sickle cell anemia. Individuals with sickle cell trait generally do not experience anemia, circulatory problems, or early death related to the condition, as they still have one normal hemoglobin gene from the other parent. Sickle cell anemia occurs when a person inherits the sickle cell allele from both parents.

The sickle cell allele is a genetic mutation that affects the structure of hemoglobin, the protein that carries oxygen in red blood cells. In individuals with sickle cell trait, only one of the two copies of the hemoglobin gene carries the sickle cell mutation, while the other copy is normal. People with sickle cell trait typically have some normal hemoglobin and some sickle hemoglobin in their red blood cell. In contrast, individuals who inherit two copies of the sickle cell allele, one from each parent, have a condition called sickle cell disease. In sickle cell disease, nearly all of the hemoglobin in the red blood cells is of the abnormal sickle type, which can cause the cells to deform into a sickle shape and become rigid. This can lead to a range of severe symptoms, including chronic anemia, recurrent pain crises, organ damage. Sickle cell disease is a serious condition that requires ongoing medical management and can significantly affect a person's health and quality of life.

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In determining the evolutionary relationships of current species, one needs to (B) read along the tree tips: Species shown at the tips are arranged in patterns reflecting which groups evolved from others.

When analyzing evolutionary relationships, scientists construct phylogenetic trees to depict the branching patterns of species and their common ancestry. The tips of the tree represent current species, while the nodes represent points where species diverged from a common ancestor.

To determine the evolutionary relationships, one needs to read along the tree tips. The species closer to each other on the tree are more closely related, indicating a more recent common ancestor.

By examining the branching patterns and the arrangement of species on the tree, scientists can infer which groups evolved from others.

Species that share a more recent common ancestor will be arranged closer together on the tree, while species that branched off earlier will be placed further apart.

Reading along the tree tips allows scientists to trace the evolutionary history and understand the relationships between different species.

It's important to note that reading "back" to nodes connecting species can provide information about common ancestry, but the arrangement of species on the tree tips reflects the patterns of evolutionary relationships, indicating which groups evolved from others.

The order of taxon names does not provide as much information as the actual tree branches and the arrangement of species.

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Answer: A: People with different goals can make contributions to scientific knowledge.

Schwann and Virchow both had different goals for what they were trying to discover, but both ended up adding to the same theory.

Hope this helps :)

Answer: i think the answer is C

Explanation: it is true when you starve yourself the blood pressure increases since water is in the blood pressure therefore causing blood pressure to increase.

Microtubules start at the centrosome and then connect to the kinetochores, which are structures at the central region of chromosomes. The centrosome is the main microtubule-organizing center (MTOC) in most animal cells, whereas plant cells lack a typical centrosome.

The two spindle poles are the central region of a chromosome where a kinetochore is connected. Microtubules are a type of cytoskeletal protein filament that plays a crucial role in the mechanics of cell division.

Microtubules, together with actin and intermediate filaments, form the cytoskeleton, which is the structural framework of the cell. Microtubules also transport vesicles and organelles, support cell shape, and mediate cell signaling.

They are also crucial in cell division, serving as a framework for the mitotic spindle, a structure that segregates chromosomes during cell division.

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Taking into account the definition of a system of linear equations, the cost of each postcard and the cost of each magnet are 1.25 and $2.35 respectively.

A system of linear equations is a set of two or more equations of the first degree, in which two or more unknowns are related.

Solving a system of equations consists of finding the value of each unknown which when replacing, all the equations of the system are satisfied.

In this case, a system of linear equations must be proposed taking into account that:

You know:

The system of equations to be solved is

6p + 4m= 16.90

3p + 3m=10.80

There are several methods to solve a system of equations, it is decided to solve it using the substitution method, which consists of clearing one of the two variables in one of the equations of the system and substituting its value in the other equation.

In this case, isolating the variable "m" from the second equation:

3m=10.80 - 3p

m= (10.80 - 3p)÷3

m= 3.6 - p

Substituting this expression in the first equation:

6p + 4×(3.6 - p)= 16.90

Solving:

6p + 4×3.6 - 4p= 16.90

6p + 14.4 - 4p= 16.90

6p - 4p= 16.90 - 14.4

2p= 2.5

p= 2.5÷2

p= 1.25

Remembering that m=3.6 - p, you get:

m= 3.6 - 1.25

m= 2.35

Finally, the cost of each postcard is $1.25 and the cost of each magnet is $2.35.

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The major plant group that appeared in the last dinosaur period (the Cretaceous) and dominates the world today in terms of diversity or blip width is the angiosperms or flowering plants.

The first flowering plants appeared around 130 million years ago and by the end of the Cretaceous period, they had diversified into a wide variety of forms. Today, angiosperms make up the largest and most diverse group of plants, with over 300,000 known species.

They are found in almost every habitat on Earth and are important for providing food, shelter, and oxygen to animals, as well as for their aesthetic and cultural value to humans.

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Smoking can cause gray hair to have a yellow cast.

Cigarette smoke contains a variety of harmful chemicals that can accumulate on hair fibers and cause discoloration. Nicotine and tar are particularly damaging to hair, and over time, they can cause gray hair to develop a yellow or brassy tint. This discoloration is often difficult to remove and can be exacerbated by exposure to sunlight or other environmental pollutants. Therefore, quitting smoking and using hair care products specifically formulated for gray hair can help prevent and minimize yellowing.

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The effects of self-locomotion on the activity of place cells in the hippocampus of a freely behaving monkey have been studied in place cells are neurons in the hippocampus.

When a monkey engages in self-locomotion, it actively moves around its environment, exploring different places. This self-locomotion has been found to have a significant impact on the activity of place cells.

Studies have shown that when a monkey is actively moving, the firing rate of place cells increases. This increase in firing rate indicates that the place cells are actively encoding the animal's current location in real-time. The firing patterns of place cells during self-locomotion provide important spatial information to the monkey about its surroundings.

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Answer:

c

Explanation:

The answer is

Limit the overuse and misuse of antibiotics in medicine and agriculture.

So, that the bacteria doesn't develop immunity against antibiotics.

reproductive system, skeletal system, and digestive system.

In flowering plants, one sperm nucleus fertilizes the egg, and the other nucleus joins forces with two additional nuclei inside the ovule to form triploid endosperm. Thus, only flowering plants undergo double fertilization.

Angiosperms are flowering plants that create fruits that are seed-bearing. With around 300,000 species, they are the most numerous and diverse group within the kingdom Plantae. Approximately 80% of all known extant green plants are angiosperms.

Parenchyma, collenchyma, and sclerenchyma cells make up the majority of the stem and other plant organs. The most prevalent plant cells are parenchyma cells. The stem, the root, the interior of the leaf, and the fruit pulp all contain them.

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Answer:

Yes it is right

Explanation:

Cytokinesis in plant cells results in the formation of a cell plate between the new cells, while cytokinesis in animal cells only pinches the cell membrane in half. This is a true statement. The cell plate forms the cell wall of the plant.

The cytokinesis is a process by which the cell is divided into two daughter cells, each containing some of the cytoplasm of the parent cell. This process of cytokinesis is different in animals and plants. Animal cells' cytokinesis starts at the end of the telophase. Cell actin and myosine proteins pinch the cells, and as a result, the cell divides into halves.

In plant cells, there is no pinching mechanism. There is a cell plate formed in the middle of the dividing cell by the accumulation of the vesicles, cellulose, etc. Then daughter cells are formed.

Hence, it is a true statement that cytokinesis in plant cells results in the formation of a cell plate between the new cells, while cytokinesis in animal cells only pinches the cell membrane in half.

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Answer:

C

Explanation:

About the options:

A) That's not true. Every human been inherits the genes from it's parents.  

B) That's not true. Gametes have no higher tendency for mutation, that could be dangerous: if a deletirous mutation appears, the organism could die. Mutations don't happen for a purpose, so, mutate can be extremaly bad - and usually is.

C) That's true. One of that interchangends is the crossing-over: nearby chromosomes exchanges parts. It happens in the beginning of meiosis.

D) That's not true. Mitosis is a procedement of cloning cells. If a new combination happen, then we have a mutation and the cell will be probably killed.

The siblings differ in appearance from one another as alleles get interchanged at the time of meiosis, which eventually results in genetically distinct offspring.

It is the swapping of the genetic material, which takes place in the germ line. During the meiosis, the paired chromosomes from each parent get arrange in a manner that identical sequences of DNA from the paired chromosomes cross over each other.

The phenomenon of crossing over takes place during the start of meiosis, in this the parts of the nearby chromosomes get interchanged. This interchanging of alleles during meiosis leads to the formation of genetically distinct offspring. Therefore, the siblings differ in appearance from one another.

Thus, the correct answer is option C.

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Answer:

The correct answer is C:

the active site, the substrate, or both change shape upon binding so that the activation energy of the desired change is decreased.

The induced fit model for enzymed function describes how the substrate is able to induce the proper alignment of the active site of the enzyme. Both the active site of the enzyme and the substrate change in conformation until they are completly bound.

This theory explains why enzymes may exhibit broad specificity, that is that they can bind to a variety of molecules.

Answer:

shorter and higher

Explanation:

UV  is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.

Answer:

D

Explanation:

they arr primitive organism who do not have mitochondria instead they have Mesosomes

Answer:

D. bacteria cells do not have mitochondria

Explanation:

the bacteria cells do not have a mitochondria hence they rely on immediate environment to obtain usable energy

bacteria cells have DNA which is located in the center but is not surrounded by the nuclear membrane since bacteria cells eg.prokaryotic cells have no membrane-bound organelles eg the nucleus

During the process of RNA splicing the spliceosome enzyme removes the non-protein-coding regions of the RNA known as. RNA splicing process

RNA splicing is the process whereby a newly synthesized pre-mRNA (heterogeneous nuclear RNA) was indeed filtered and transformed into mature mRNA. In the nucleus, hnRNA is processed and translated to mRNA, which then travels to the cytoplasm for translation and otherwise protein synthesis.

In molecular biology, RNA splicing is the process by which a newly synthesised protonated messenger RNA (pre-mRNA) full text is converted into a sophisticated messenger RNA (mRNA). It operates by removing all introns (non-coding RNA regions) and splicing exons back together (coding regions).

Cloning occurs in the nucleus during or quickly after transcription for nuclear-encoded genes. Splicing is usually required to create a rna strand that can be translated into protein from gene products that contain introns.

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Answer:

The engine receives and transforms electrical energy into mechanical energy, through electromagnetic interactions.

Explanation:

Answer: The engine receives and transforms electrical energy into mechanical energy, through electromagnetic interactions. The conductive element that they have in them makes a movement when it goes into the magnetic field and it ends up receiving the electric current.

Explanation:

The best explanation for the statement "since RNA is single-stranded, it does not have complementary base-pairing as part of its structure" is: the statement is false because single-stranded nucleic acids may have intra-strand complementarity and base-pair within themselves.

 RNA molecules can form secondary structures through base pairing within their own strand, which allows them to fold into complex shapes and perform their biological functions. While RNA does not have a complementary strand like DNA, it can still form base-pairing within its own single strand, creating secondary and tertiary structures.

                                              While it is true that single-stranded nucleic acids have no complementary strand to base-pair with, this does not mean that they cannot base-pair at all. Therefore, the third and fourth explanations are incorrect. The last explanation is also incorrect because RNA does have base-pairing as part of its structure, but it does not require a complementary DNA strand to do so.

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Answer:

A shield volcano is not steep. It is shaped like a shield. the lava is runny. Stratovolcanoes are steep and their lava is very sticky. They are explosive like cinder volcanoes. Lastly,  cinder volcanoes are , they are explosive when they erupt.

Explanation:

The allopatric speciation model is a process by which new species are formed through geographic isolation.

The process occurs when a population of organisms is separated from other members of the same species by a physical barrier, such as a mountain range or body of water. Over time, the separated populations may accumulate genetic differences, ultimately resulting in distinct species.
Intraspecific variation plays a crucial role in this process because it is the genetic variation within a single species that allows for evolution to occur. This variation is the result of mutations, genetic recombination, and other mechanisms that can introduce new genetic traits into a population. Over time, these variations can accumulate and ultimately lead to the development of new species.
Geographic isolation is also a critical factor in the allopatric speciation model. When populations of organisms are separated by geographic barriers, they are no longer able to interbreed, which can lead to the accumulation of genetic differences over time. As the populations become more genetically distinct, they may develop unique adaptations to their environment, ultimately resulting in the formation of new species.

Thus, allopatric speciation is a process by which new species are formed through geographic isolation, and intraspecific variation plays a crucial role in this process. As populations become more genetically distinct, they may develop unique adaptations, ultimately leading to the formation of new species.

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