PLEASE PLEASE HELP

i don't get this and it's confusing

PLEASE PLEASE HELPi Don't Get This And It's Confusing

Answers

Answer 1
Seems pretty tough
Good luck with it
Answer 2

Yeah that looks hard good luck


Related Questions

Which of the following statements about photosynthesis is true?
A
the light-dependent reactions can occur only in the light, the light-independent reactions only in the dark
B
photorespiration is more efficient at producing glucose than is photosynthesis
C
the light-dependent reactions produce the energy-rich compounds that are used to run the light- independent reactions
D
all of the above are true

Answers

The energy-dense chemicals used to fuel the light-independent methods, commonly referred to as the Calvin cycle or dark reactions, are generated during the light-dependent reactions of photosynthesis and include ATP and NADPH. The correct answer is C.

These light-independent processes transform carbon dioxide into glucose and other organic compounds using the energy and byproducts of the light-dependent reactions.

The phrase "photosynthesis" comes from the Greek words "light" and "putting together," and it refers to the process of putting together carbon dioxide and water to create molecules of carbohydrates like sugars and starches.

Life on Earth depends on photosynthesis. Without it, there wouldn't be any green vegetation, and there wouldn't be any creatures either. Sunlight, chlorophyll, water, and carbon dioxide gas are necessary for photosynthesis.

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a tumor-suppressor gene has been identified. however, dna sequencing in one patient shows that one copy of the gene has been deleted, but the other copy has a normal dna sequence (including the regulatory sequence). how can this result be best explained?

Answers

A DNA repair protein is encoded for by the tumor suppressor gene. The function of the gene is impacted by a base-pair alteration in the copy of the gene that is not deleted. There is an epigenetic alteration that lowers the expression of the copy of the gene that is not eliminated.

A change in cell proliferation and tumor development need mutations in both copies of a particular tumor suppressor gene pair. Tumor suppressor genes are therefore referred to as recessive at the cellular level. Tumor suppressor gene mutations are often acquired. Uncontrolled cell division may take place when a tumor suppressor gene is rendered inactive by a mutation, which prevents the production of the protein it encodes or impairs its correct function. These mutations could aid in the growth of a malignancy. A tumor suppressor gene's function is lost or diminished as a result of mutation. This could enable the cell to develop abnormally when coupled with other genetic abnormalities.

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the distal medial process of the tibia is called the

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The distal medial process of the tibia is called the medial malleolus.

The tibia is a large bone found in the lower leg, also known as the shinbone. It is located on the medial (inner) side of the lower leg next to the fibula and runs parallel to it. The tibia is a weight-bearing bone, which means that it supports the weight of the body when standing or walking.

The medial malleolus is a bony prominence located at the distal end of the tibia on the medial side. The term "malleolus" refers to the process on either side of the ankle joint that forms the bony protuberances at the bottom of the tibia and fibula.

The medial malleolus is an essential component of the ankle joint and helps to stabilize the joint during movement. It provides a surface for the attachment of ligaments and muscles that help to support and move the ankle joint.

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answer question please

answer question please

Answers

Answer:

my answer is C.

Explanation:

I hope my answer can help you

Answer: C Cells use it to deliver genetic information to the nucleus

Explanation:

What does ATP mean?

ATP stands for adenosine triphosphate. It is a molecule found in the cells of living organisms. It is said to be very important because it transports the energy necessary for all cellular metabolic activities. ... Without ATP, various metabolic activities in the human body cannot take place.

The main function of ATP?

ATP functions as the energy currency for cells. It allows the cell to store energy briefly and transport it within the cell to support endergonic chemical reactions. The structure of ATP is that of an RNA nucleotide with three phosphates attached.

What is the nucleus of a cell made up of??

Answers

Answer:

it made up of genetic materials and the cell found in it is called eukaryotic cells

Explanation:

I would have answered first but I was thinking hope it helps

The cell nucleus of eukaryotic cells contains all the genetic material of the organism, mainly DNA and RNA molecules .

What are characteristic features of  eukaryotic nucleus ?

The cell nucleus is a small spheroid or oval structure present in the central part eukaryotic cells, other wise called as the operational center as it control all  cellular activities.

Largest organelle of eukaryotic cell where its shape can be circular or ovoid.

Along with center part, nucleus can also seen in periphery part of the cell.

It has different components like nuclear envelope or membrane, chromatin, nuclear pore, nucleolus and nuclear sap.

It helps in generation site of ribosome in nucleolus.

The nucleus involve in exchange of hereditary molecules in chromatin that is RNA and DNA between the nucleus and the rest of the cell.

It also help in transportation of regulatory factors and energy molecules selectively.

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Use the drop-down menus to complete the sentences
______ stem cells are capable of ______ not differentiation. Using these words Embryonic, Somatic, Amniotic fluid (lines 1, 3, 5) self-renewal, limited self-renewal (lines 2 and 6)
______ stem cells are capable of self-renewal and _____.
Differentiation, limited differentiation (line 4)
_____stem cells are capable of ____and limited differentiation.
Brainliest if right. Thanks.​

Answers

Answer:

Somatic stem cells are capable of self-renewal, not differentation.

Embryonic stem cells are capable of self-renewal and differentiation.

Amniotic fluid stem cells are capable of self-renewal and limited differentiation.

Explanation:

Edge 2020 100%

Answer:

1. Somatic  

2. self-renewal

3. Embryonic

4.differentiation

5.Amniotic fluid

6. self-renewal

Explanation:

edge 2021

the main difference between meiosis and mitosis is that...A. Homologous chromosomes form tetrads in mitosis and in meiosis.B. Homologous chromosomes form tetrads in mitosis but not in meiosisC. The nuclear membrane disappers in mitosis but not in meiosisD. A spindle forms in mitosis but not in meiosisE. A spindle forms in meiosis but not in mitosis

Answers

The main difference between meiosis and mitosis is option B: "Homologous chromosomes form tetrads in mitosis but not in meiosis."

Mitosis is a cell division process that occurs in somatic cells, resulting in the production of two genetically identical daughter cells. During mitosis, homologous chromosomes do not form tetrads. Instead, individual chromosomes replicate during the S phase of interphase, resulting in sister chromatids held together by a centromere.

These sister chromatids then separate during mitosis, with each daughter cell receiving an identical copy of each chromosome.

On the other hand, meiosis is a specialized form of cell division that occurs in germ cells to produce gametes (sperm and egg cells) with half the chromosome number of the parent cell. In meiosis, homologous chromosomes pair up during prophase I to form tetrads, also known as bivalents.

This pairing allows for the exchange of genetic material through a process called crossing over, which promotes genetic diversity. In meiosis, the separation of homologous chromosomes and sister chromatids occurs during two rounds of division, resulting in the formation of four genetically diverse haploid daughter cells.

Options C, D, and E are incorrect because both the disappearance of the nuclear membrane and the formation of a spindle occur in both mitosis and meiosis. These events are essential for chromosome segregation and cell division in both processes.

The primary distinction lies in the formation of tetrads in meiosis, which does not occur in mitosis.

So, option B is correct.

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bactera that have double cell membranes and that do not stain purple with crystal violet are called

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Bacteria that have double cell membranes and do not stain purple with crystal violet are called "Gram-negative bacteria."

Gram-negative bacteria are a group of bacteria characterized by their unique cell envelope structure, which consists of an outer membrane, a thin peptidoglycan layer, and an inner cytoplasmic membrane. Gram-negative bacteria do not retain the crystal violet dye and instead take up the counterstain. As a result, they appear pink or red under a microscope.

The inability to retain the crystal violet dye is due to the presence of an outer membrane, which acts as a barrier and prevents the dye from penetrating and binding to the peptidoglycan layer. This outer membrane is composed of lipopolysaccharides (LPS), lipoproteins, and porin proteins.

The presence of the outer membrane and the unique composition of the cell envelope give Gram-negative bacteria distinct characteristics, including increased resistance to certain antibiotics and a higher susceptibility to certain chemical agents.

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Example of how muscle tissue could be used in post-mortem analysis

Answers

Answer:

Skeletal muscle decomposes more slowly than internal organs and nerve tissue after death, but still more quickly than cartilage and bone.

Together, these factors make muscle tissue a good candidate for postmortem change study and well-suited for standard forensic lab examination.

Is the following sentence true or false? During meiosis, the two alleles for each gene stay together.

Answers

Answer:

False

Explanation:

During meiosis, a cell goes from a diploid stage to a haploid stage. So no, the alleles do not stay together.

The Meiosisi is basically a process by which the number of chromosomes is reduced by half to form a sex cell.

The right lung has ______ tertiary bronchi and the left lung has ______ tertiary bronchi. multiple choice question.

Answers

The right lung has 8 - 10 tertiary bronchi and the left lung has 10 tertiary bronchi.

How to distinguish the number of bronchi in the lungs?

Breathing is a natural phenomenon and is carried out by the respiratory system. Lungs are the main organ of the respiratory system. The lung is divided into right lung and left lung. The right lung is wide and short, and the left lung is narrow and long. The right lung has the imprint of the heart, and the left lung is very close to the heart. The general function of the lungs in respiration is to inhale oxygen and exhale carbon dioxide.  

Now, The left lung has 10 bronchopulmonary segments and the right lung has 8-10 bronchopulmonary segments. The bronchi continue to divide, eventually resulting in bronchioles less than 1 mm in diameter. Each bronchiole divides into 50 to 80 terminal bronchioles, which are the last branches of the respiratory bronchioles.  

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Complete question is:

The right lung has ______ tertiary bronchi and the left lung has ______ tertiary bronchi.

A) 8-10, 10

B) 8, 10

C) 10, 8-10

D) 8-10, 8

arrange the following items of the olfactory pathway in the appropriate order for the detection of smell? glomeruli, mitral & tufted cells, temporal lobe, olfactory tract, olfactory receptor cells

Answers

Therefore, the appropriate order for the detection of smell in the olfactory pathway is as follows: olfactory receptor cells, glomeruli, mitral & tufted cells, olfactory tract, and temporal lobe.

It is important to note that any disruption in this pathway can result in a loss of smell, also known as anosmia. The olfactory pathway is responsible for the detection of smell. It involves a complex series of events that occur in a specific order. The olfactory receptor cells are located in the nasal cavity and are responsible for detecting different smells. These cells send signals to the olfactory bulbs, which are located at the base of the brain.

The olfactory bulbs contain glomeruli, which are spherical structures that receive signals from the olfactory receptor cells. The glomeruli then transmits these signals to mitral and tufted cells, which are also located in the olfactory bulbs. These cells are responsible for processing the signals and sending them to the olfactory tract. The olfactory tract is a pathway that connects the olfactory bulbs to the temporal lobe of the brain.

The temporal lobe is responsible for processing sensory information, including the sense of smell. When the signals from the olfactory receptor cells reach the temporal lobe, they are processed and interpreted as different smells. It is important to note that any disruption in this pathway can result in a loss of smell, also known as anosmia.

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The black bear is common to North America. Black bears eat many foods, mainly grass, roots, berries, and insects. However, fish and mammals—including those already dead—are also part of their diet. Some tend to wander near campsites and can develop a taste for human food and garbage. Given this information, which term most accurately characterizes black bears?

A. Producer
B. decomposers
C. carnivores
D. omnivores

Answers

Answer:

D.) Omnivores

Explanation:

Since black bears eat both animals and plants, they are omnivores. If they would only eat animals for example - they would be carnivores. and since a black bear is not a decomposer or producer - omnivore is the right answer.

Therefore... D is the right answer.

-kiniwih426

what's the difference between dominant and recessive alleles

Answers

Answer:

The key difference between dominant and recessive alleles is that dominant alleles are the alleles that give the phenotype, masking over the other phenotype, while recessive alleles are the alleles that are suppressed by the dominant allele. Usually, a chromosome contains a number of genes, and they exist in specific places.

Explanation:

I'm really smart

In order to see a recessive trait in an organism's phenotype, what must be the organism's genotype?

Answers

Answer:

The organism must have two recessive alleles of the same type. Recessive alleles are usually represented by a lower case letter.

Examples:

rr, hh, bb, aa

Explanation:

Does salt dissolve in water?

Answers

Answer:

Yes because if you put salt in water soon after the water will be clear

Answer:

Yes, salt dissolves in water, however, when it dissolves the water will be a tad bit murky.

Explanation:

Please help me
It’s due

Please help me Its due

Answers

Answer:

Immune system

Golgi

pancreas

Explanation:

which is not true about disturbances? they occur only on short time scales. they are caused by natural events such as hurricanes. some are due to anthropogenic causes. they can cause complete destruction of an ecosystem.

Answers

The statement that is not true for disturbances is 'they can cause complete destruction of an ecosystem'.

Ecological disturbance is a non-biological or biological event or force that alters the spatial organization of organisms in the ecosystems they live in as well as their mortality. The nature of entire ecosystems as well as the organization of particular populations are significantly shaped by disturbance.

Even though disturbances frequently have a negative impact on the populations of native plants, animals, and other organisms in a given environment, they can also provide fugitive species a chance to enter and establish themselves in ecosystems where their biological communities once were excluded.

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What percentage of men experience nocturnal orgasms? O 45% O 60% O 75% O 90%

Answers

Around 83% of men experience nocturnal orgasms, also known as "wet dreams" at some point in their lives.

The imaging method that uses a rapidly changing magnetic field to induce brief electrical current pulses in the brain that then trigger action potentials in the neuron is called:__________

Answers

The imaging method that uses a rapidly changing magnetic field to induce brief electrical current pulses in the brain that then trigger action potentials in the neuron is called functional magnetic resonance imaging

However, this imaging technique is usually used to evaluate region of blood flow changes in the cortex of the brain that occur during patient performance of specific tasks

What is a neuron?

A neuron can be defined as the basic and functional unit of the nervous system. Below are some types of neurons:

Sensory neuronsMotor neuronsIntermediate neurons

The neurons of the nervous system are responsible for transmitting information and signals from one of the the nervous system to another.

The nervous system generally is divided into

Central nervous systemPeripheral nervous system

The central nervous systemis divided into the

BrainSpinal cord

The Peripheral nervous system is divided into:

Somatic nervous systemAutonomic nervous system

The autonomic nervous system is divided into:

Sympathetic nervous systemParasympathetic nervous system

So therefore, the imaging method that uses a rapidly changing magnetic field to induce brief electrical current pulses in the brain that then trigger action potentials in the neuron is called functional magnetic resonance imaging

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Develop and explain models of the rock cycle PLEASE HELP

Answers

This model explains how igneous rocks are created by magma rising to the surface, where it solidifies. Sedimentary rocks are created by erosive agents and compaction forces. And metamorphic rocks are created by changes in temperature and pressure.

What is the rock cycle?

The rock cycle is the geological process through which rocks transform and change from one type to another.

The cycle begins when magma rises by convection currents to the Earth's surface where it gets cold, solidifies, and turns into igneous rocks.

Igneous rocks can,

Suffer erosion and turn into sediments, which will accumulate, compact and create sedimentary rocks.

Suffer changes of temperature and pressure, originating metamorphic rocks.

Be exposed to extreme temperatures under the crust, melt and become magma again.

Sedimentary rocks are composed of rocky sediments from other rocks and the remains of living beings that get stuck within the sedimentary layers.

Sedimentary rocks can,

Suffer erosion and create new sediments to build new sedimentary rocks.

Be exposed to heat and pressure, originating metamorphic rocks.

Melt and become magma.

Finally, metamorphic rocks are produced underground when other rocks suffer changes.

Metamorphic rocks have two destinies,

Turning into sedimentary rocks.

Becoming magma.

This model explains how these three types of rocks are created and how each of them constantly turns into the other type.

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Develop and explain models of the rock cycle PLEASE HELP

The goal of statement of purpose is

Answers

The goal of a statement of purpose is to provide a clear and compelling account of an individual's purpose, goals, and motivations for pursuing a particular academic or professional path.

A statement of purpose is a document typically required as part of a graduate school application or job application process. It allows applicants to showcase their personal and professional background, articulate their academic or career goals, and explain their reasons for choosing a specific program or position.

The primary objective of a statement of purpose is to provide admissions committees or employers with insights into an applicant's passion, dedication, and potential for success in their chosen field.In a statement of purpose, applicants typically discuss their past experiences, achievements, and qualifications relevant to their desired field of study or profession. They explain how their background and aspirations align with the program or position they are applying for, highlighting specific skills, knowledge, or research interests that make them a strong candidate.

A well-crafted statement of purpose not only presents a coherent narrative of the applicant's journey but also demonstrates their ability to contribute to and benefit from the opportunities offered by the program or position they seek.

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6.. During cell cycle progression, if an error is spotted, p53
activates _______ to inactivate CyclinD/CDK4 complex to halt cell
cycle in order to repair the error.
A. p21
B. p27
C. p63
D. p73
7.. Pot

Answers

P53 activates p21.7. Potassium permanganate is a strong oxidizing agent that can be used for the titration of iron in acidic solutions.

Potassium permanganate (KMnO4) is a strong oxidizing agent that can be used for the titration of iron in acidic solutions. It is a purple crystalline solid with a sweet taste that is both soluble in water and alcohol. When in an acidic environment, KMnO4 decomposes to Mn2+ and O2, which are both good oxidizing agents.Iron (II) (Fe2+) is oxidized to Iron (III) (Fe3+) by permanganate ion. The reduction of permanganate to Mn2+ is a very slow process that does not occur rapidly in the presence of Fe2+. Fe2+ ions react with the permanganate ion (MnO4-) and form a brown precipitate of Iron (III) hydroxide (Fe(OH)3). The end of the reaction is determined by the appearance of this brown color.

In conclusion, the above answer describes that potassium permanganate (KMnO4) is an oxidizing agent used to determine the concentration of iron in acidic solutions.

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Fill in the lab questions about you alien and thinking about genetics!

Did your alien have more or less features in common with your peers? Why do you think so?

Answers

I don’t get what I’m answering, could you please provide a picture?

Many of the terms involving cells have a similar word form in them: prokaryote, eukaryote, and karyotype for example. What is the root word where does it come from? Why do you think the root word is contained in all these words?

Answers

Answer:

All eukaryotic cells share a common ancestor that arose just once in four billion years of evolution.

Chromosomes are SMALLER than genes and are found in DNA.
True
False

Answers

Answer:True

Explanation:

True, Chromosomes contain smaller units of genetic material called DNA.

Based on the properties of the monomers that make up the phospholipid polymer, which of the following best predicts how the two phospholipids are positioned in the cell membrane?

a)The hydrophilic heads will face outward toward the cell’s exterior and inward toward the cell’s interior. The fatty acids will be tail-to-tail in the center of the membrane.
b)The glycerol region in the fatty acid will bend toward the interior of the cell. The choline will bend toward the exterior of the cell.
c)The hydrophobic heads will bind with other hydrophobic heads and turn inward to the center of the membrane. The fatty acids will randomly move, giving the membrane fluidity.
d)One choline will turn inward toward other choline in the bilayer. The fatty acids will be attracted to the choline and form the interior of the membrane.

Based on the properties of the monomers that make up the phospholipid polymer, which of the following

Answers

Two phospholipids are positioned in the cell membrane ,the hydrophilic heads will face outward toward the cell’s exterior and inward toward the cell’s interior. The fatty acids will be tail-to-tail in the center of the membrane.

A phospholipid generally has a head and a tail. The head of the molecule has a phosphate group and is hydrophilic in nature, it is soluble in water. The tail of the molecule is made up of two fatty acids, which are hydrophobic and do not dissolve in water.

Hence, Two layers of phospholipids where the outer layer has the hydrophilic heads facing toward the outside of the cell and the inner layer have the hydrophobic tails facing toward the inside of the cell.

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During metaphase, a step in the cell cycle, a cell —

Answers

Answer:

Brainliest

Explanation:

During metaphase, the chromosomes that carry genetic information align in the equator of the cell before they split off into two daughter cells with identical genetic material. Metaphase is the third stage of mitosis, which is a phase of the cell cycle where chromosomes in the nucleus are divided between two cells.

Which geological feature would most likely occur at this boundary? (the plates are the same density.)

A) mid-ocean ridge, rift vallyes
B) earthquakes
C) volcanos
D) mountain chains

Answers

A

mid ocean ridges occur along divergent plate boundaries

Answer:

a

Explanation:

When the stoma is closed what two plant processes cannot occur?

Answers

Answer:

They cannot take up carbon dioxide.

Explanation:

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