PLEASE HELP ASAP FAST

PLEASE HELP ASAP FAST

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Answer 1

Answer:

B.UAA is correct answer


Related Questions

7. What is transformation and describe how it has been done in a famous
experiment.

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The shift in molecular biology is the genetic change of the cell resulting from the direct absorption and integration of the dna material rebusied external oxygen from its surroundings and its intake through the cell membrane. Transformation occurs naturally in some types of bacteria, but artificial means can also be affected in other cells

Hope it helps

In working with Drosphilia it is common to use a balancer stock to maintain mutations of interest. The balancer chromosomes are generally carrying multiple inversions on them. What effect would the inversions have on meiosis

Answers

Answer:

Fusion or pairing does not occur.

Explanation:

Inversions mutation leads to lowered fertility due to production of unbalanced gametes in the meiosis cell division. Chromosome inversions have no effect on mitosis, but they has affect meiosis because inversions changes the gametes which is only present in meiosis. If an inversion present is in the heterozygous condition, pairing of chromosomes cannot occur in a simple linear fashion due to change of sizes. But if the inverted chromosome segment has the proper size so it can paired with each other.

why is it important to record all data and procedures in an experiment?

Answers

Answer:

Answer:important to record all data and procedures because if we list that data then we can see that which we record

hope this will help you

Answer:

Good record keeping can help user to track errors or refine an experiment.

Records can be used to audit or to check data integrity

A scientist is studying some developing eggs from an ocean sample. The early embryos have divided only a few times, and all cells look identical. When the scientist carefully removes half the cells from an embryo, both clumps of cells are able to complete development, forming twins. The eggs can be identified as cnidarians. crustaceans. protostomes. deuterostomes. echinoderms.

Answers

Answer:

The correct answer is - deuterostomes.

Explanation:

Duetorstomes eggs ,During embryonic development the zygote undergoes cleavage. Cleavage results is slitting into multiple cells where ease cell has the ability to develop into a complete embryo when isolated.

A body of fresh water is shown below.

Which point in this body of water is most likely to have no plants growing?
A. Point C
B. Point D
C. Point A
D. Point B

Answers

Answer:

B. Point D

Explanation:

I just took the quiz

In the given image, on point D, it is not possible to have any plant. The correct option is B.

What are the requirements of plants to grow?

To grow plants require enough sunlight, carbon dioxide and water. By using all these, plant perform photosynthesis by which it can survive.

As point D in the given image has no light sources, as sunlight cannot penetrate deep into the water, it is impossible to have growing plants here.

Thus, the correct option is B.

For more details regarding plants, visit:

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Question 6 of 10
An independent variable is a factor in an experiment that:
A. is manipulated by the scientist.
B. is deliberately kept the same.
C. responds to the test variable.
D. fails to affect the observations.

Answers

Answer:is A.is manipulated by the scientist.

Explanation:

what is the minimum weight that requires 2 people to lift a dog​

Answers

In a perfect world, a "safe" lift would be 51 pounds i think, not sure tho sorry

1. What are the three "common characteristics” of model organisms?

Answers

Answer:

they need food for survival

Explain the relationship of the structure of cell membrane molecules to the function of the cell membrane overall. You must discuss the structure/function relationship of at least 3 different molecules that compose the cell membrane.

Answers

The answer is c because of the

12. What would be the other strand of DNA?
-A T C C G A A GTC C GA G-

Answers

Answer:

TAGGCTTCAGGCTC

Explanation:

The complementary base of Adenine is Thymine in a DNA strand but it is Uracil if it's a Mrna strand

then the complementary base of cytosine is therefore guanine

Select ALL statements that correctly describe a function of the Respiratory System, or describe a process of Respiration.
a. Moves air in and out of the body.
b. Warms and humidifies the air.
c. Regulates the cellular compositon of the blood.
d. Filters the air.
e. Exchanges gases with the blood.
f. Occurs in the Lung.
g. All of the above.

Answers

Answer:

should be G) all of the above

Explanation:

health class and quick double check to a reliable source

The correct option is, (g) All of the above.

What are the 4 main functions of the respiratory system?Enables you to speak and smell.Raises the temperature of the air to that of your body and adds moisture to it to the proper degree of humidity.Provides your body's cells with oxygen.When you exhale, waste gases from your body, including carbon dioxide, are removed.

What describes the function of the respiratory system?We can breathe thanks to our respiratory system and lungs. They expel carbon dioxide and inspire oxygen into our bodies, a process known as inspiration or inhalation (called expiration, or exhalation). The process of breathing involves the exchange of oxygen and carbon dioxide.

Which of the following performs the function of respiration?The network of organs in the human respiratory system is in charge of absorbing oxygen and exhaling carbon dioxide. The lungs, which perform this gas exchange as we breathe, are its main organs. All of the body's cells are supplied with oxygen-rich blood by the circulatory system and the lungs.

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Select the group of body systems responsible for energy supply and fluid balance.
a. Endocrine, Nervous
b. Urinary, Muscular, Reproductive
c. Integumentary, Skeletal, Muscular
d. Urinary, Digestive, Respiratory

Answers

Select the group of body systems responsible for energy supply and fluid balance.

d. Urinary, Digestive, Respiratory

Mass of the moon is 7.4x10^22 kg and its radius is 1740km, Calculate the value of acceleration due to gravity on the surface of the moon. *​

Answers

Answer:

The gravitational acceleration in the surface of the moon is 1.63 m/s^2

Explanation:

The gravitational acceleration at a distance R of an object of mass M, is given by:

g = G*M/R^2

Where:

G is the gravitational constant.

G = 6.67*10^(-11) m^3/(kg*s^2)

We could think that all the mass of the moon is at its center, then at the surface of the moon, the distance will be equal to the radius of the moon, thus:

R = 1740km

But we want to work with meters, so remember that:

1km = 1000m

then:

1740km = (1740)*1000m = 1740000m

R =  1740000m

And the mass is just:

M = 7.4x10^22 kg

If we input all that in the gravitational acceleration equation, we get:

g = (6.67*10^(-11) m^3/(kg*s^2))*(7.4x10^22 kg)/( 1740000m)^2

g = 1.63 m/s^2

The gravitational acceleration in the surface of the moon is 1.63 m/s^2

The difference between a pH of 5 and a pH of 8 is
Group of answer choices

A) 3x

B) 30x

C) 100x

D) 1,000x

Answers

Answer:

The correct answer is - D) 1000x.

Explanation:

pH is a logarithmic scale, 1 reading change leads to the results in ten-fold in the   H+ concentration in acidity/basicity. The more  H +  ions found in solution, the more acidic the substance is as acids donate  H +  ions.  

You can calculate the concentration of  H +  from the pH and the equation  

p H  = − log [ H + ]

arrange again

[ H + ]  =  10 − p H

So for a pH of 8, we get  [ H + ]  = 10 ^− 8

For a pH of 5, we get  [ H + ] = 10^ − 5

 10 ^−5  /10 ^− 8= 10 ^3

=  1000

Chemical digestion involves condensation reactions.
O True
O False

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False

Although I am answering based on my recollection, I am sorry if I am wrong.

How the aging is related with the methylation? The methylation increase or decreased ?

Answers

Aging is strongly correlated with changes in DNA methylation. DNA methylation and epigenetic alterations have been directly linked to longevity in a wide array of organisms, ranging in complexity from yeast to humans.

__describes non-seasonal changed in the structure or composition of an ecological community over time

Ecological succession
Community ecology
Ecosystem dynamics

Answers

Answer:

Ecological succession

Explanation:

In ecology, ecological succession is described as a series of change in the structure or composition of an ecological community over a period of time. There are two types of ecological succession namely: primary succession and secondary succession.

Primary succession occurs on a barren land with no prior growth while secondary succession occurs in an area that has been colonized before but disturbed by an environmental hazard.

What is the difference between cellular respiration and gaseous exchange​

Answers

Answer:

Gas exchange is the intake of oxygen and the excretion of carbon dioxide at the lung surface. Oxygen moves into the blood and carbon dioxide moves out of the blood. Cell respiration is the process that releases energy from the food

Plants as well as brown, green, and red algae show a basic life cycle which involves the alternation of generations between a(n) egg and a sperm. seed and a cone. spore and pollen. megaspore and a microspore. sporophyte and a gametophyte.

Answers

Answer:

The correct answer is ''sporophyte and a gametophyte''

Explanation:

Plants have a diplohaplon life cycle: a haploid adult plant, called a gametophyte, and a diploid adult plant, called a sporophyte. In green algae, the two generations, sporophyte and gametophyte, are independent and generally the same size. This type of life cycle is found not only in many multicellular green algae, but also in brown algae and red algae. In vascular seedless plants, including ferns, gametophytes, although still independent, are smaller in size than sporophytes. In seed plants, the gametophytic generation is further reduced and is totally dependent on the sporophyte.

Chromosomal sex, also known as genetic sex, is determined genetically through the chromosome combination XX or XY.

Question 12 options:
True
False

Answers

Answer:

it's true

I hope it's helps you

Yes, it's true. Chromosal sex is currently determined through the chromosal combination.

If there is an increase in stimulation by the sympathetic nervous system

Answers

May i know the complete sentence?

Which is a component of the biosphere?
bacteria
argon
mountains
D.
permafrost
Reset
Next

Answers

Answer:

bacteria

Explanation:

what similes best describes how your mind learns and remember

Answers

Answer:

The mind is like a: filing cabinet.

Explanation:

identifying earths four spheres
match each of earths spheres

Answers

Answer:

cryosphere → glaciers, ice caps, ice bergs

atmosphere → air surrounding earth

biosphere → all of Earth's living things

geosphere → Earth's interior, rocks, minerals, and landforms

hydrosphere → oceans, lakes, rivers, streams, and groundwater

Explanation:

The above are properly matched.

Cryosphere is known as part of the earth were water is in solid form. This has to do with glaciers, ice, ice bergs, etc.

Atmosphere has to do with the part of the earth that is gaseous. This has to do with the air found on earth.

Biosphere is the living part of the earth. All things are found in the biosphere.

Geosphere is known to be earth itself which is made up of the landforms, rocks, minerals, earth's interior, etc.

Hydrosphere has to do with the liquid part of the earth. It has to do with the water bodies.

How are meiosis and mitosis different?

Answers

Answer:

b. only meiosis results in a reduction in chromosome number

Explanation:

The video compares the key similarities and differences between mitosis and meiosis. Determine which events occur in mitosis, meiosis, or in both mitosis and meiosis. Write each event to the appropriate category. a. Chromosomes duplicate during interphase b. The first division separates homologous pairs; the second division separates sister chromatids c. A single division occurs, separating sister chromatids Homologous chromosomes pair up and form chiasmata d. Daughter cells contain recombinant chromosomes e. Process starts with a diploid cell Homologous pairs of chromosomes line up on the metaphase plate f. End result is four haploid cells that are genetically different from each other and the parent cell g. Duplicated chromosomes line up Individually on the metaphase plate in a diploid cel h. End result is two diploid cells that are genetically identical to each other and the parent cell Mitosis Melosis Both mitosis and meiosis

Answers

Answer:

Mitosis:

A single division occurs, separating sister chromatids

End result is two diploid cells that are genetically identical to each other and the parent cell

Meiosis:

The first division separates homologous pairs; the second division separates sister chromatids

Homologous chromosomes pair up and form chiasmata

Homologous pairs of chromosomes line up on the metaphase plate

Daughter cells contain recombinant chromosomes

End result is four haploid cells that are genetically different from each other and the parent cell  

Mitosis and Meiosis:

Chromosomes duplicate during interphase

Process starts with a diploid cell

Duplicated chromosomes line up Individually on the metaphase plate in a diploid cell

Explanation:

Mitosis is the division of vegetative cells while meiosis involves the division of sex cells. Both divisions start with diploid parental cells but while the daughter cells in mitosis are also diploid, those of meiosis are haploid. This is why mitosis is referred to as equational division while meiosis is known as reductional division.

A cell that will undergo mitosis or meiosis would first have its genetic materials duplicated during interphase in addition to the synthesis of other important biochemicals such as proteins. Mitosis involves just a single division of the sister chromatids with two genetically identical daughter cells who are also clones of the parent cells resulting.  

Meiosis, on the other hand, involves two divisions - the first one happens to separate homologous chromosome pairs while the second division separates sister chromatids just like in mitosis.  During the early stage of meiosis, homologous chromosomes synapsed through the formation of a synaptonemal complex to form tetrads. Thereafter, synapsed chromosomes exchange chromosomal segments at a point known as chiasmata. All these happen at the prophase stage of meiosis I. The paired homologous chromosomes are then lined up at metaphase where they are engaged by the spindle fibers.

Meiosis II and mitosis are more or less the same with the chromosomes condensing at the prophase and the formation of metaphase plates at the metaphase. Sister chromatids are pulled apart and they migrate to the opposite poles at the anaphase and telophase.

Which of the following regarding blood vessels is not true?

Group of answer choices

arteries have valves to jprevent backflow

Arteries have thick, elastic walls to accommodate the high pressure of blood pumped from the heart

In the thinner-walled veins, blood flows back to the heart mainly as a result of muscle action

Arteries and veins have an endothelium, smooth muscle, and connective tissue

Answers

Answer:

2

Explanation:

aritieries have thick,elastic walls to accommodate the high pressure of blood pumped from the heart

Tabla de comparación entre el reino protista y fungí

Answers

What you want say?????

which language is this?

ethyl methane sulfonate is a chemical mutagen that modifies bases in DNA this agent causes c to be mutated to

Answers

Ethyl methane sulfonate is a chemical mutagen that modifies bases in DNA. This agent causes C to be mutated to T

What is the answer with explaining

Answers

Answer:

Man (dimples and freckles) - FfDd

Woman (no dimples and no freckles) - ffdd

Child (no dimples and no freckles) - ffdd

Explanation:

According to this question, the possession of freckles (F) and dimples (D) are the dominant traits. The union of a man with dimples and freckles and a woman with no dimples and freckles (ffdd) gave rise to a child that has no dimples or freckles (ffdd).

Since the child has a recessive 'ffdd' genotype, it means that the father will likely have a heterozygous genotype (FfDd). Therefore, the genotypes of the three persons involved are;

- Man (dimples and freckles) - FfDd

- Woman (no dimples and no freckles) - ffdd

- Child (no dimples and no freckles) - ffdd

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