what DW mean in molecular biology?​

Answers

Answer 1

Answer:

Molecular biology, the branch of research concerned with the study of chemical properties and biological phenomenon mechanisms concerning the fundamental units of life, molecules.

Explanation:


Related Questions

Which option lists the level of the biosphere that are broader than community?

-biome, population
-ecosystem, population
-biome, ecosystem
-ecosystem, individual

Answers

The option that lists the levels of the biosphere that are broader than the community is "biome, ecosystem."

In the hierarchy of the ecological organization, the community refers to the assemblage of different species that interact and coexist within a specific area. It represents the interactions among populations within a defined habitat. The community level focuses on the relationships between different species and their interactions.

Moving up the hierarchy, the next broader level is the ecosystem, which includes not only the community but also the physical environment in which the organisms live.

An ecosystem encompasses the biotic (living) and abiotic (non-living) components and their interactions within a particular area. It includes the community of organisms along with the physical factors such as climate, soil, water, and nutrient availability.

Above the ecosystem level, the next broader level is the biome, which refers to large-scale geographical areas characterized by distinct climate patterns, vegetation types, and ecological characteristics.

Biomes are broad categories that encompass multiple ecosystems sharing similar environmental conditions and supporting similar types of communities.

Therefore, the correct option is "biome, ecosystem," as it accurately represents the levels of the biosphere broader than the community.

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Similar patterns of embryological development in different but related organisms are most likely due to similarities in their
environment
analogous structures
ancestory
fossil forms

Answers

Answer:

fsaf

Explanation:

dsdadsda

Which statement is true about the products of cellular respiration?

They contain oxygen.
They contain glucose.
They become the products of photosynthesis.
They become the reactants of photosynthesis.

Answers

Answer:

They become the reactants of photosynthesis.

Explanation:

Answer:

They become the reactants of photosynthesis.

Explanation:

Give the other person brainliest

how does nature influence neuroplasticity?

Answers

Answer:

Brain plasticity is profoundly impacted by one's living environment. The hippocampus, involved in learning and memory, is highly susceptible to plasticity. Raising rodents in an “enriched environment” (EE) increases learning and memorization aptitudes and decreases the anxiety of the animals.

Explanation:

Brain plasticity is profoundly impacted by one's living environment. The hippocampus, involved in learning and memory, is highly susceptible to plasticity. Raising rodents in an “enriched environment” (EE) increases learning and memorization aptitudes and decreases the anxiety of the animals.

Answer:

Brain plasticity is profoundly impacted by one's living environment.

Explanation:

An amino acid's unique characteristics is defined by the ________.

Answers

an amino acids unique characteristics is defined by the R-group

Zandile set up the following apparatus to investigate how temperature affects transpiration rate

Answers

Zandile found that as the temperature increased, the transpiration rate also increased, leading to increased water loss from the plant. This experiment helped her conclude that temperature directly affects transpiration rates.

Transpiration is the process of water movement through the plants from roots to leaves, and eventually lost by evaporation from the stomata. Various factors, including temperature, humidity, light, and wind, influence the transpiration rate.

Temperature affects transpiration as it affects the diffusion rate of water vapor from the leaves into the surrounding air.

To investigate how temperature affects transpiration rate, Zandile set up an apparatus comprising a potted plant, a beaker, and a thermometer. The plant was selected for the experiment, and its leaves were covered with a plastic bag to prevent any water loss through the leaves' surface.

The apparatus was set up in the following way: The plant was placed in a beaker containing water. The beaker was placed on a heat source, and the temperature was monitored with the help of a thermometer. The plastic bag was tied around the stem to ensure no air entered the plastic bag, making the experiment airtight.

Zandile then increased the temperature by placing the beaker on a heat source. She noted the temperature of the water in the beaker and the temperature inside the plastic bag. She continued to monitor the temperature and the rate of water loss from the plant.

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What is cyanosis? Describe several physical and/or chemical factors that might create cyanosis in a patient and how cyanosis can be reversed.

Answers

Cyanosis is a medical condition that is characterized by a blue or purple discoloration of the skin and mucous membranes. It occurs due to a lack of oxygen in the blood or a buildup of deoxygenated hemoglobin in the blood vessels near the skin surface.

Several physical and/or chemical factors that might create cyanosis in a patient include lung diseases that interfere with the normal exchange of oxygen and carbon dioxide in the lungs, such as chronic obstructive pulmonary disease (COPD), pneumonia, and asthma. Heart diseases, such as congenital heart disease, heart failure, and pulmonary embolism, can also lead to cyanosis. Other factors include high altitudes, exposure to cold temperatures, and certain medications, such as opioid painkillers.

To reverse cyanosis, the underlying cause must be treated. For example, oxygen therapy can be used to increase oxygen levels in the blood in patients with lung diseases. In cases of heart disease, medications or surgery may be necessary to improve the heart's ability to pump blood. In some cases, blood transfusions may be necessary to increase the oxygen-carrying capacity of the blood.

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A postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. It has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of
neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by
1 mV, If X fires 10 times and Y fires 10 times the result will be …

Multiple Choice
a subthreshold summation.
presynaptic inhibition.
threshold is reached and an AP is fired.
many APs are fired.
the membrane depolarizes.

Answers

When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.

Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.

Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.

When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).

Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.

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Which of the following does not yield wool ? (a) yak (b) camel (c) goat (d) woolly dog​

Answers

Answer: (D) Woolly dog

Explanation:

Why is option A (yak) not correct?

The Himalayan region is home to the yak, a type of cattle. They have a reputation for having long, shaggy hair, which is used to create many different textiles, including wool. Yak wool is popular because it is soft, warm, and long-lasting and is frequently used to manufacture clothes and blankets.

Why is option B (camel) not correct?

Camels are widely known for their capacity to survive in difficult desert situations, and their wool is a valuable resource in many parts of the world. Clothing, rugs, and other textiles are frequently made from camel wool because it is cosy and soft.

Why is option C (goat) not correct?

Goats are another typical source of wool, especially in warmer locations where other types of wool are less common. Depending on the breed of goat and the quality of the wool, the term "mohair" or "cashmere" is frequently used to describe the wool from goats. Cashmere is appreciated for its warmth and luxurious feel, while mohair is renowned for its softness, sheen, and insulating qualities.

Why is Option D (woolly dog) correct?

Despite the fact that there are numerous dog breeds with long, shaggy hair, none of them actually produce true wool. Dog hair is not often used to produce textiles since it is formed of a different kind of fibre than wool. Although some dog hair can be spun into yarn and used for crafts, it is not regarded as a true wool and is not widely utilised for the manufacturing of textiles.

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A. What does the graph show?
B. How will the behaviors of the finches change?

A. What does the graph show?B. How will the behaviors of the finches change?

Answers

Pattern recognition to an unstable or difficult environment, which results in ecological variety and speciation, is the hallmark of Darwin's finches' evolutionary process.

Finches are famous for what?

The majority of finches crack weed and grass seeds with their large, conical bills. Insects are used by several species as food supplements. While seeds are difficult for the nestlings to crack, they are typically given insects instead.

A finch represents what?

Finches were thought by the Native Americans to be a sign of happiness. True pleasure and joy are well embodied by the Finch, who are known for their colors, singing, and habits. A few native dances incorporate upbeat music to resemble the Finch.

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Genetic information in DNA and RNA is stored as a sequence of three nucleotide bases. On DNA a group of three nucleotides is called a _____, while on the complementary strand of mRNA, this sequence is called a ____ .

Answers

Answer:

three nucleotides

condon

What part of the scientific method is this: Because human subjects are difficult to study, laboratory rats were used. One group of laboratory rats was given the artificial sweetener, and another group was not. All of the rats were given an identical diet and living conditions.

Answers

Its the experiment part where you test the hypothesis

Cellular Respiration Answer key worksheet

Answers

The Cellular Respiration worksheet is given in the image attached.

What is Cellular Respiration?

Cellular respiration is seen as a metabolic process that occurs in cells, where organic molecules are broken down to release energy in the form of ATP (adenosine triphosphate).

This process involves three main stages: glycolysis, the Krebs cycle, and oxidative phosphorylation. During glycolysis, glucose is broken down into pyruvate, which then enters the Krebs cycle, where it is further broken down to release energy-rich electrons.

Therefore, These electrons are then passed down a series of electron transport chains to produce ATP through oxidative phosphorylation. Cellular respiration is a vital process for all living organisms, as it provides the energy needed for various cellular processes and activities.

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Cellular Respiration Answer key worksheet

TRUE/FALSE. Pseudo stratified epithelia are well adapted to the digestive system because the cilia increase the surface area for absorption. Thick skin has a more extensive dermal layer than thin skin. Generally speaking, connective tissues are largely non-living extracellular matrix. Which of the following is an EXCEPTION? Blood bone are olar adipose

Answers

False. Pseudostratified epithelia are not well adapted to the digestive system. True. Thick skin has a more extensive dermal layer than thin skin. True. Generally speaking, connective tissues are largely non-living extracellular matrix. Exception: Blood is a connective tissue comprised of living cells in a liquid matrix.

What is Tissue?

Tissue is a group of cells that have a similar structure and function. It is made up of cells that are similar in size and shape and are specialized to carry out specific tasks. Tissue is found in almost all animals and plants and it is made up of four main types: epithelial, connective, muscle, and nervous.

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Part D
How could you model this process in a different way? Explain how you'd design this model so that the entire process is
clear to the reader.

Answers

An illustrated diagram will be helpful in understanding the transmission.

What is a model?

It should be noted that a model simply means the representation of a task or a concept.

In this case, to model the process in a different way, an illustrated diagram can be used. The diagram will show an adult with the major parts of the nervous system highlighted.

The nerve pathways involved in stimuli processing and response will also be highlighted in different colors.

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1.3.4 Quiz: Predicting Genetic Outcomes
Question 10 of 10
Why do sex-linked traits follow different patterns of inheritance than other
traits?
OA. Females do not carry alleles for sex-linked traits.
OB. Females can have a recessive trait with only one recessive allele.
OC. Males have two X chromosomes, and females only have one.
O D. Males and females have different sex chromosomes.

Answers

Males and females have different sex chromosomes. So, the correct option is D.

What is Sex linked trait?

In sex-linked traits, only a single copy of the recessive allele is sufficient to produce the phenotype in males, which is due to males being heterozygous with respect to the sex chromosome. They carry one copy of the X chromosome and one copy of the Y chromosome. So, only a single copy of the allele is sufficient to produce the phenotype.

For instance, hemophilia is an X-linked recessive disorder in which only one copy of the recessive allele is required to produce the phenotype in males which is \(X^hY\)

Thus, Males and females have different sex chromosomes. So, the correct option is D.

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in physiological Genotype and phenotype disorder male and female in reproductive system

Answers

Both males and females can experience reproductive system disorders. These disorders can be caused by genetic factors, hormonal imbalances, structural issues, infections, or other medical conditions. In males, these disorders may include erectile dysfunction, infertility, testicular disorders, prostate problems, and hormonal imbalances. In females, they may include menstrual disorders, polycystic ovary syndrome, endometriosis, uterine fibroids, ovarian cysts, infertility, and hormonal imbalances. Treatment options vary depending on the specific disorder and may involve medication, hormonal therapy, surgery, or assisted reproductive technologies.

Question 1 A heterozygous yellow-seeded plant is crossed with a homozygous yellow seeded plant. i. ii. Question 2 Complete the punnet square and write the genotypic and phenotypic ration for the possible offsprings. (3 marks) Genotypic ration Phenotypic ration What is the probability of having a pure breeding green seeded offsprings (2 marks) What is the probability of having a yellow-seeded plant in F2 generation, when a true breeder from F1 is crossed with a non-true breeding yellow seeded plant? (2 marks)​

Answers

Answer:

Explanation:

To solve this problem, let's represent the heterozygous yellow-seeded plant as "Yy" and the homozygous yellow-seeded plant as "YY."

i. When crossing a heterozygous yellow-seeded plant (Yy) with a homozygous yellow-seeded plant (YY), we can set up a Punnett square to determine the possible offspring genotypes:

    Y     Y

y   Yy  Yy

y   YY  YY

ii. The genotypic ratio is 2:2 or 1:1 for the possible offspring genotypes: Yy and YY.

The phenotypic ratio is also 2:2 or 1:1 for the possible offspring phenotypes: yellow-seeded (YY and Yy).

Question 2:

To determine the probability of specific outcomes, we need additional information about the parental genotypes and their inheritance patterns. Please provide the genotypes of the true breeder from F1 and the non-true breeding yellow-seeded plant for a more accurate calculation.

which of the following beat describes the producers in a terrestrial food web​

Answers

Answer:

the photo?

Explanation:

the photo? there isnt a picture

Which two generalizations can be made based on what you know about cycles of matter in a closed system?
-New-matter is added, and oid matter is destroyed:
-Matter changes its physical form, allowing it to return to its original state.
-The amount of matter within the system remains the same.
-Matter and energy can cross the boundaries of the system.
-The cycle has a well-defined starting and stopping point.

Answers

The amount of matter in the system is constant, and the cycle has a clearly defined beginning and end.

How does Physics Define Matter?

A substance called matter is made up of several kinds of particles, occupies space, and has inertia. The many sorts of particle each have a unique mass and size according to the principles of current physics.

What exactly is a matter unit?

The fundamental building block of the cosmos is the atom. Atoms are referred to be the basic matter units and have a nucleus made up of protons and neutrons with electrons revolving around it. Every component in the periodic table is made up of a unique arrangement of protons, neutrons, and electrons.

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Human decisions about controlling erosion have very little effect on living conditions.

True
False

Answers

Answer:

False

Explanation:

The main cause of man-made erosion is agriculture, followed by construction and mining.

Where humans once used sticks and stones, they have since developed technology that dramatically accelerated the speed of erosio.

Hence, if human descions are to control the soil erosion then there will be a very big impact on living conditions.

Answer:

false

Explanation:


Which organisms are the producers in a hydrothermal vent community?
What process do these organisms undergo to produce glucose?

Answers

Answer:

Bacteria, not plants, are at the base of the vent food webs

Explanation:

A
В
с
Which container has the least concentration of solutes?
O A
OB
О с
OD

AWhich container has the least concentration of solutes?O AOB OD

Answers

Answer:

c

Explanation:

its c i took the test

List and explain the function of hormones released by the hypothalamus

Answers

Many physiological processes in the body are controlled by the hypothalamus, a part of the brain. The production and release of hormones is one of its primary roles.

Which hormones does the hypothalamus produce?

The hormones that are produced in the hypothalamus include corticotrophin-releasing hormone, dopamine, growth hormone-releasing hormone, somatostatin, gonadotrophin-releasing hormone, and thyrotrophin-releasing hormone. Lactation and uterine contraction during childbirth are oxytocin's two primary physiological effects.

What hormones does the hypothalamus produce?

The hypothalamus secretes two different types of hormones: releasing hormones and inhibitory hormones. Gonadotrophin-releasing hormone, thyrotrophin-releasing hormone, somatotropin-releasing hormone, and adrenocorticotrophin-releasing hormone are a few examples of releasing hormones.

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Question 14 of 15
Which do scientists think would lead to more powerful hurricanes?
O A. Warmer tropical landmasses
OB. Warmer arctic oceans
O C. Warmer tropical oceans

Answers

The answer would be A

what do Entropy mean

Answers

Answer:

lack of order or predictability; gradual decline into disorder.

Explanation:

Answer:

Entropy means the amount of energy in a system that is unable to work

(randomness)

The diagram shows the structure of an organic molecule. A student
identifies the molecule as DNA. Does the student identify the
molecule correctly?
-phosphorus
-pentose
sugar
nucleoside
G
U
C
_nitrogenous
base
OYes. It is a single stranded molecule.
O No. It contains a five-carbon sugar.
No. It contains the nitrogenous base uracil.
OYes. It has a sugar-phosphate backbone.

Answers

Answer: No. It contains the nitrogenous base uracil

Explanation:

DNA does not contain Uracil. Uracil is used by RNA in place of Thymine.

hy please make some questions from this passage please i want to ask my students thank you​

hy please make some questions from this passage please i want to ask my students thank you

Answers

Explanation:

1) Write the balanced chemical equation of photosynthesis.

2) What is the role of chlorophyll in the process of photosynthesis?

3) What happens to the light energy that is absorbed by the chlorophyll?

1. The (incorrect) belief that life is produced by a mysterious spirit or force is called: a. spiritualism b. recidivism C. vitalism d. hoodoo-voodooism​

Answers

Answer:

it has the word spirit in it. Spiritualism

Which conditions speed up the rate of transpiration?A) cold, dry and windyB) hot, dry and windyC) hot, wet and windyD) cold, wet and not windy

Answers

Transpiration is the process by which plants lose the excess water, and it happens through pores called stomata, which can be closed or open to regulate the water loss.

Some of the functions of transpiration are cooling the plant, changing osmotic pressure, and maintaining of water flow from roots to leaves.

Transpiration rate is affected by a number of factors:

• Number and size of leaves., With more and bigger leaves, there is more area and thus more stomata, which means there is more transpiration.

,

• The number of stomata., More stomata mean more transpiration.

,

• Light supply. ,Stomata generally open when there is light present.

,

• Temperature,. When the temperature rises, the transpiration rate increases.

,

• Humidity. ,There is more transpiration in drier environments.

,

• Wind., When there is no wind, water vapor loss in transpiration can remain close to the leaf, and this reduces the transpiration rate. When the wind takes the water vapor away, the transpiration rate increases.

,

• Water supply. ,When water is limited, stomata close to prevent water loss.

This means the transpiration rate would be higher in a hot, dry, and windy environment, so B would be the right answer.

Other Questions
PLS HELP IM DESPERATE ILL GIVE 100 POINTS PLS Source 1"Under the present circumstances, if we were to find ourselves in a war with France, it will be a peoples war that cannot be won in one decisive battle but will turn into a long and deadly struggle with a country that will not give up before the strength of its entire people has been broken. Our own people, too, will be utterly broken and exhausted, even if we emerge victorious at the end."Helmuth von Moltke, German general, letter to the German emperor Wilhelm II, 1905Source 2"The integrity of what remains of the Ottoman Empire is one of the principles upon which the worlds balance of power is based. Therefore, I reject the idea that it is in our national interest to shatter one of the cornerstones of the international order. What if, after we have attacked Libya* and destabilized the Ottoman Empire, the Balkans begin to stir? And what if a Balkan war provokes a clash between the two power blocs and a European war? Italy must not be the country that bears the responsibility of putting a match to the powder keg."*Italy wanted to colonize Libya, which at the time was a province of the Ottoman Empire.Giovanni Giolitti, prime minister of Italy, speech before the Italian parliament as it debated whether to attack Ottoman Libya, 1911Moltkes prediction in Source 1 about the consequences of a potential war between Germany and France is most directly explained by the fact thatFrances recent industrialization made it militarily superior to GermanyFrance had a much larger population than Germanyprevious conflicts had stirred intense nationalism in France and Germanyfascists within Germany sought to use a potential war with France as an excuse to establish a dictatorship Determine the overall charge for the following pairs.a. A proton and an electron which of the following best defines transaction processing systems tps Let X denote the amount of time for which a book on 2-hour reserve at a college library is checked out by a randomly selected student and suppose that X has density function f(x) =kx, 0 if 0 < x < 1 otherwise.a. Find the value of k.Calculate the following probabilities:b. P(X 1), P(0.5 X 1.5), and P(1.5 X)[3+5] I just don't understand how to do this URGENT!!! due in 1 hr pls help!! 30points THANK YOU Polygon A is the result of reflecting Polygon B over the line y = 2. Explain how you know that the two polygons are congruent.Answer using complete sentences. An Ionic bond forms betweenA. Two electronegative atomsB. A cation and an anionC. Water MoleculesD. Polar MoleculesE. Nonpolar Molecules Please helpppp neeed doneeee asappp in junior high school, tyler really liked jada and would have liked to date her. instead, tyler was mean to jada and teased her. which defense mechanism was tyler using? I will give 26 points for this!!!!1) GST is 5% and the subtotal is $818.75 what is the Grand total?2) PST is 8% and the subtotal is $818.75 what is the Grand total? a uniform rod ab of mass m and length i is at rest on a smooth horizontal surface. an impulse p is applied to the end b. the time taken by the rod to turn through a right angle is : (a) 2ti ml (b) 271 ml , . reml t2p (d) np ml how do we use visible light to detect chemicals in other atmospheres? A home closes for $365,000 how much would you pay the county clerk and public trustee? 1) $3,650 2) $45 3) $365 4) $36.50. help ASAP !!!!!!!!!!!!!!!!!! The Singh family ordered a large pizza with a diameter of 24 inches for dinner. If one of the family members are 1/8 of the pizza, how many square inches of pizza are remaining? Use 3.14 for pi.56.52 square inches226.08 square inches 395.64 square inches 452.16 square inches What is the slope of the line that passes through the points (3,-2) and (1,8) HELP!! DUE IN TWO HOURS! YO PLEASEEE SOLVEEE I BEG YOU Examine in detail the changes in the music industry in the last 25 years. Explain some of the ways these changes have impacted both artists and consumers. Cite specifics. NOTE: YOUR ANSWER SHOULD BE AT LEAST 500 WORDS!!!!!!!!!!!! NOT BELOW!!!!!