Which of the following is a way in which mitosis differs from meiosis?A. Mitosis take place to form sex cellesB. Meiosis creates cells with half the number of chromosomes of the original cell.C. Telophase does not take place in mitosis.D. Spermatogenesis and oogenesis occur via mitosis.

Answers

Answer 1

Meiosis creates cells with half the number of chromosomes of the original cell. It produces four gamete cells. Mitosis creates 2 identical daughter cells with the same number of chromosomes as of the parent cell.

Meiosis is the process that form sex cells. Telophase is one of the stage of mitosis. Spermatogenesis and oogenesis occurs via meiosis.

Answer - B. Meiosis creates cells with half the number of chromosomes of the original cell.


Related Questions

Both aerobic and anaerobic respiration yield a net gain of ATP molecules to be used as energy for living things. The processes of _________ would yield the highest number of ATP.
Responses

A. Glycolysis
B. fermentation
C. oxidative phosphorylation (electron transport chain)
D. the Krebs Cycle

Answers

Answer: C. oxidative phosphorylation (electron transport chain)

Explanation:

have great day

20. Why would cells die without a membrane?

Answers

A plasma membrane, made of a phospholipid bilayer containing proteins that control the transit of chemicals into and out of the cell, separates a eukaryotic cell from the extracellular environment.

Why cells die without a membrane?All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The cell membrane regulates the flow of substances into and out of the cell.The proteolytic enzymes known as caspases, which cause cell death by cleaving certain proteins in the cytoplasm and nucleus, mediate apoptosis. All cells contain the inactive precursors of caspases known as procaspases. These procaspases are typically triggered by cleavage by other caspases, resulting in a proteolytic caspase cascade.A plasma membrane, made of a phospholipid bilayer containing proteins that control the transit of chemicals into and out of the cell, separates a eukaryotic cell from the extracellular environment. Loss of this barrier function may affect cellular homeostasis and result in cell death.

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If sally has earlobes that are attached to the side of ger head Sally has two____ that causr her to have attached earlobe. Sally inherited these from_____

Answers

If sally has earlobes that are attached to the side of her head Sally has two alleles that cause her to have an attached earlobe. Sally inherited these from genes.

Attached earlobes are not uncommon but are uncommon. This type of earlobe is small and attached directly to the side of the head. This type of leaf structure formation is due to the absence of a dominant allele on the chromosome. Parents with earlobes can have children without earlobes. and vice versa.

Cases like yours may arise because whether or not you have earlobes isn't a simple genetic trait. This child may have sticky earlobes. Of course, given all this, two parents with a recessive trait cannot have a child with a dominant trait. is. The free earlobe is dominant and the attached earlobe is recessive. Homozygous recessive means that the organism has two copies of the recessive allele.

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In order for a transport mechanism to not need atp does the molecule travel down or up the concentration gradient?

Answers

Answer:

It goes down

Explanation:

The net flow of molecules is always down their concentration gradient

What term describes the conversion of inorganic carbon to organic carbon?A. the carbon cycleB. primary productionC. biotic factorD. succession

Answers

Explanation:

Remember that biological carbon fixation is the process by which inorganic carbon (such the carbon dioxide) is converted to organic compounds by living organisms. Now, remember that the biological carbon cycle describes the flow of carbon between the atmosphere and Earth's ecosystems.

We can conclude that the correct answer is:

Answer:

A. the carbon cycle

In an American football game, linebacker with a momentum of 121 kg m/s tackles
a quarterback who had a momentum of -80 kg m/s. After the tackle, the linebacker
has a momentum of 72 kg m/s. If momentum was conserved, what is the momentum
of the quarterback after the collision?.
-80 kg m/s
41 kg m/s
121 kg m/s
-31 kg m/s

Answers

The moment of a system results from adding the vectorial moments of each object composing the system. According to the law of conservation of momentum, the initial moment is equal to the final moment. D) -31 kg m/s.

What is the momentum?

First, let us remember that momentum or lineal momentum is a motion quantity. In physics, it is the fundamental quantity that characterizes the motion of any object.

The momentum is a vectorial quantity calculated as the product of the object mass by its lineal velocity ⇒ mv.

The total lineal moment of a system constituted by a group of objects, is the sum of the vectorial moments of each of the objects.

In an isolated system (like crushes, explosions, and collisions), the moment remains constant through time. This is the law of conservation of momentum. The initial moment is equal to the final moment ⇒ Pinitial = Pfinal

In the exposed example,

linebacker and quarteback are the objects in this system. each object (players) has a vectorial moment (121 kgm/s and -80 kgm/s)Pinitial = Pfinal.

121 kgm/s + (-80 kgm/s) = P initial

72 kg m/s + X = P final

Pinitial = Pfinal

121 kgm/s + (-80 kgm/s) = 72 kg m/s + X

Now, we just need to clear X to determine the momentum of the quarterback after the collision.

121 kgm/s - 80 kgm/s - 72 kgm/s = X

121 kgm/s - 80 kgm/s - 72 kgm/s = - 31 kgm/s

Option D is correct.

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where is the cell membrane in relation to the cell wall? Can you see the two structures easily? Why or why not?

Answers

Answer:

Explanation:

The cell membrane sticks right up against the cell wall when the turgor pressure is high. In this situation, it is hard to distinguish the two structures because they are so close. However, during plasmolysis, the cell membrane is extremely removed from the cell wall and is easy to distinguish

Scenario: In a population of hawks living in a forest, there are three genetic types: long wings, medium wings, and short-winged.Initial population makeup: 25% long wings, 50% medium wings, 25% short wings.Over time the forest environment changes. New species of shrubs and trees with dense branches show up and become abundant. Hawks with shorter wings can fly more safely in the tight spaces; those with longer wings are more likely to be injured and have a harder time catching birds and mice when they scramble under bushes.1. Is this an example of mutation, selection, genetic drift, or gene flow?

Answers

In this case, we can see that the environment is exerting a selective pressure over a certain phenotype, that is short wings, it does not say if medium wings are thriving in this environment or not, however, we know that those with long wings are having difficulties meanwhile short wings are successful, therefore we can see that this is selection.

With which of the following is MALT least associated?

a. Mucosa.
b. Erythropoiesis.
c. Phagocytosis.
d. Immune Function.
e. Erythropoiesis.

Answers

Mucosa-associated lymphoid tissue (MALT) is least associated with (b) Erythropoiesis.

A network of lymphoid cells aggregates, and the tissue known as mucosa-associated lymphoid tissue (MALT) is found in the submucosal layers of the gastrointestinal, vaginal, respiratory, and urinary tracts, as well as the skin, tonsils, eyes, thyroid, breasts, and salivary glands. MALT (mucosa-associated lymphoid tissue) stimulates immunological responses to antigens encountered throughout all mucosal surfaces. Secondary immune tissues called MALT inductive sites serve as locations for antigen collection and the onset of immunological reactions.

Erythropoiesis is the production of red blood cells. It is the development of erythropoietic stem cells into mature RBCs stimulated by a decrease in the oxygen level in circulation detected by the kidneys, which then secretes the erythropoietin hormone. Thus, MALT is least associated with erythropoiesis.

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Describe the attributes of deep water and discuss the challenges and advances associated with deep water
exploration.

Answers

The biggest barrier to underwater exploration is the rise in pressure with increasing water depth. A person would pass out from increased pressure at such a deep depth of water (lose consciousness).

What does water exploration involve?

Drilling-assisted ground water exploration is one of the Central Ground Water Board's (CGWB) main tasks, with the goal of finding aquifers in various hydrogeological settings and establishing hydraulic characteristics.

Why do we use groundwater exploration?

In order to comprehend the hydrologic cycle, know the quality of the groundwater, and determine the nature, quantity, and type of aquifers, groundwater exploration is the research of subsurface formations. There are various techniques for discovering groundwater. One technique for investigating groundwater is surface geophysical approach.

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50 point please answer it correctly

Answers

Answer:

1) Proteins consist of the elements carbon, hydrogen, oxygen, nitrogen, and sulfur. Whereas nucleic acids are Nitrogen (N), Oxygen (O), Carbon ( C), Phosphorous (P), and Hydrogen (H)

2) Nucleic acid monomers are called nucleotides; protein monomers are called amino acids.

Explanation: Proteins are one of the primary constituents of living matter. They consist of long chains of amino acids, which are bonded together by peptide linkages and are thus called polypeptides. There are about 20 amino acids, and the atoms most prevalent in these are carbon, hydrogen, oxygen, nitrogen, and sulfur.

Nucleic acids contain the same elements as proteins: carbon, hydrogen, oxygen, nitrogen; plus phosphorous (C, H, O, N, and P).  Carbon, hydrogen, oxygen, nitrogen, and phosphorous act as the building blocks for nucleic acids. and the five elements necessary to construct a nucleic acid chain are carbon, hydrogen, oxygen, nitrogen, and phosphorus.

YOU HAVE TO DO # 3 though I'm not doing it all for you

What’s the correct answer answer asap for brainlist

Answers

Answer:

Its B. The canopy consists of very tall trees that block sunlight from lower layers.

Explanation:

I got it right on the quiz.

Question #22

Which two stages are most responsible for the genetic variation observed within a species?

A Anaphase I and Prophase I
B Anaphase II and Metaphase II
C Metaphase I and Metaphase II
D Metaphase I and Prophase I

Answers

Independent Assortment, Random Fertilization and recombination takes place during  Metaphase I and Prophase I. Therefore, option (D) is correct.

What causes genetic variation in a species?

Prophase I is when recombination or crossing across happens. Gene by gene, identical chromosomes—1 from each parent—pair along their lengths. Chromosomes break along their length, reunite, and exchange some of their genes. The chromosomes now contain a distinctive collection of genes. This causes genetic variation.

Random Fertilization and Independent Assortment in Metaphase I

The tetrads travel to the metaphase plate during metaphase I with their kinetochores pointing in opposite directions. The homologous pairs randomly align themselves with the equator. This occurrence is the second process that modifies gametes or spores.

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43. Chloroplasts are mainly found in the ______ of plants in order to maximizelight absorption.A. leavesB. rootsC. stems

Answers

As we know chloroplasts contain chlorophyll the responsible for the characteristic green color of plants. These organelles can be found in multiple types of tissues nonetheless are more abundant in energy-producing organs such as leaves, therefore the correct answer is option A.

Explain how the Meselson-Stahl experiment contributed to our understanding of DNA replication, and describe that process.


REAL ANSWERS ONLY! NO LINKS!

Answers

Meselson-Stahl's experiment contributed to our understanding of DNA replication because the use of radioactive nucleotides showed that one DNA strand is synthesized in each round of replication while the other chain remains unchanged, which is known as semiconservative replication.

What is semiconservative replication?

In genetics, semiconservative replication refers to the process by which DNA is duplicated during the process of DNA replication. In semiconservative replication, one DNA chain is conserved in intact conditions while the other one is synthesized in the final double helix DNA molecule.

Meselson-Stahl's experiment contributed to the discovery of the semiconservative nature of DNA replication by observing that only one radioactive chain was added to each round of replication.

Therefore, with this data, we can see that the semiconservative replication of the double helix DNA molecule is a fundamental process associated with DNA replication which was discovered by Meselson-Stahl's experiments.

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What’s the correct answer answer asap for brainlist

Answers

Wetlands are the one located between aquatic and terrestrial environments and reduces the flooding and filters water.

What is wetland and how it reduces flooding and filters water?See wetland is the portion of land located just before the aquatic system and the terrestrial land.During the wet season or wet years wetland acts as flood control supplement by acting as sponges , capturing water.What actually happen is during the need hours when flood is used to be at peak the wetland holds a significant amount of water temporarily .To ease out the rising issue quickly they holds the water , and they also filter the water by removing the pollutants.

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what percent of the acacia trees energy will be transferred to the giraffe?

Answers

The giraffe only receives 10% of the energy from the acacia tree because the other 90% was used in cellular respiration.

Each level only retains 10% of the original 100% of energy because no matter what animal species it is, it will use up 90% of the energy for cellular respiration.

What is a membrane? a form of tissue that connects cells and structures together a thin tissue layer that separates, protects, or connects structures a single layer of tightly packed cells a thin layer of connective tissue packed tightly together

Answers

A membrane is referred to as a thin tissue layer that separates, protects, or connects structures and is denoted as option B.

What is a Membrane?

This is referred to as a biological layer which comprises of lipids and other types of compounds which are found in cells and it is usually a thin layer which separates the internal environment from the external areas.

This ensures that the cell is protected as it prevents pathogens and other harmful substances from entering. It also helps to connect different structures together which is therefore the reason why option B was chosen.

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What’s the correct answer answer asap for brainlist

Answers

A, Clouds! Hope this helps!

an enzyme is specific. this means

Answers

Enzymes are said to be specific because an enzyme binds to only one or one group of substrates for its activity.

The enzyme's specificity is a property that indicates how restricted the enzyme is in its substrate selection; There would only be one substrate for a completely unique enzyme. Specificity is the capacity of an enzyme to select a specific substrate from a variety of chemically similar compounds. Specificity is a molecular identification process due to the complementary structural and conformational properties of the enzyme and substrate. Since the specific substrate must fit into the enzyme's active site before catalysis can take place, only well-designed molecules can be enzyme substrates; An enzyme will frequently react with a single naturally occurring molecule or substrate.

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why do trees growing in a forest not grow to close together ​

Answers

When trees are close together, a canopy of leaves forms overhead that filters sunlight, making it difficult for both trees and the plant life below to get the sunshine they require.

Describe forest:

A big region with trees is generally referred to as a forest. Boreal, tropical, and temperate forests are the three main types that exist. According to experts, these woods make up around one-third of the surface of the planet. Eastern North America and Eurasia are covered with temperate forests.

What grows in a forest?

The forest floor can be farmed for culinary and medicinal herbs, roots, mushrooms, landscaping or florist items like flowers and ferns. The canopy trees produce lumber, nuts and fruits like pecans or persimmons; the middle layer may be filled of may haw, vines, berries, or ornamentals.

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1. In humans, normal pigmentation is due to a dominant gene (A), albinism to its recessive
allele (a). A normally pigmented man marries an albino woman and their first child is an
albino. What are the genotypes of these three persons? If they have several other children,
what are the probabilities that they will be: albino, normal pigmentation, carriers for
albinism?

Answers

Answer:

The mother has a genotype of aa, the father has a genotype of Aa and the child has a genotype of aa.

Explanation: If the couple decides to have more children the children would have a 50% 50% chance of being albino.  Every child they have will be a carrier of the recessive gene gained from their mother. The children would either have a genotype of Aa or aa. Also, the father has a heterozygous genotype. He also is a carrier of the recessive gene since their first child was albino.  You cannot be made albino unless both alleles from your parents are recessive and even though the father is not albino (because he had the dominant allele A), he had an albino child therefore making him a carrier of the allele a. Please let me know if you require further explanation!

What’s the correct answer answer asap for brainlist

Answers

Answer:

C

Explanation:

:)

Self esteem is reflected through how well a person cares for him self/herself physically mentally and emotionally

Answers

Self-esteem and body image start in the mind itself. They can completely alter the way you understand your worth. Healthy body image and self-esteem are important part of well-being.

Body image is mental as well as emotional. It’s the mental picture that you have of your body and also the way you feel about your own body when looking in a mirror.

Self-esteem is generally about how you value and respect yourself as a person. Self-esteem greatly impacts how you take care of yourself emotionally and physically. Self-esteem is about yourself as a whole and not just the body.

When you have good self-esteem, you value yourself, and also know that you deserve care and respect .You appreciate and celebrate your strengths and abilities. Don’t put yourself down if you make a mistake. Good self-esteem means that you feel good even when time and situations are difficult.

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1. Earth's atmosphere is divided into layers based on
a. Density
b. Pressure
c. Composition
d. Temperature
6th Grade Science
PLS HELP ITS DUE TOMORROW

Answers

D.Temperature


Explanation-The atmosphere can be divided into layers based on its temperature, as shown in the figure below. These layers are the troposphere, the stratosphere, the mesosphere and the thermosphere. A further region, beginning about 500 km above the Earth's surface, is called the exosphere

If a hypertonic and a hypotonic solution was separated by a selectively permeable membrane, you would predict that net water flow would be in which direction?

Answers

Answer: The membrane would allow water to pass through and reach the hypertonic side.

Explanation: This means that the water will go outside the cell.

44. Which of the following organisms would be considered an autotroph?A. mouseB. oak treeC. human

Answers

As we know an autotroph is an organism that is capable to elaborate its own food, like is the case of plants, from light and carbon dioxide they generate glucose, therefore humans and mouses are discarded as both organisms are heterotrophs, therefore the correct answer is option B.

An engineer wants to develop a model to simulate the safety of varioushelmet materials during a race car crash. Which type of model would bestrepresent this?O A. Conceptual modelOB. Molecular modelOC. Computer modelOD. Mathematical model

Answers

The correct answer is C. Computer model

What is the answer to this Dihybrid Crosses question? Thanks!

Answers

In this case, we have a double-cross between a dominant homozygous for both traits and a recessive heterozygous. According to the exercise we have red for dominant (R) white for recessive (w), tal dominant (T), and short recessive (t). So the parents are as follows

Red tall homozygous (RRTT)

White tal heterozygous (wwTt)

We obtain gametes for each parent

[tex]\begin{gathered} R\begin{cases}T=RT \\ T=RT\end{cases}R\begin{cases}T=RT \\ T=RT\end{cases} \\ \text{these are the gametes for dominant homozygous } \\ w\begin{cases}T=wT \\ t=wt\end{cases}w\begin{cases}T=wT \\ t=wt\end{cases} \\ \text{these are the gamete for recessive htereozygous} \end{gathered}[/tex]

Now we obtain the punnet square

Now we obtain frequencies

Genotypes:

Red heterozygous tall homozygous RwTT: 8/16= 50%

Red heterozygous tall heterozygous RwTt: 8/16= 50%

Phenotypes:

Red tall 16/16=100%

Now the gardener would never obtain red short flowers because there is none recessive homozygous for height trait.

What cell shape allows long distance communication

Answers

Non-neural cells, both normal and cancerous, communicate over long distances via thin membrane protrusions (TMPs), gap junctions, and exosomes. Long-distance neurons form networks capable of complex computation, which are regulated by macrophage pruning activity.

What is cell?Cells are the fundamental building blocks of all life. Trillions of cells produce the human body. They support the body's structure, absorb nutrients from food, convert those nutrients into energy, and perform specialized functions. A cell is a cytoplasmic mass that is externally bound by a cell membrane. Cells, which are typically microscopic in size, are the smallest structural units of living matter and comprise all living things. Most cells have one or more nuclei as well as other organelles that perform a variety of functions. Cells are classified into two types: eukaryotic cells, which have a nucleus, and prokaryotic cells, which do not have a nucleus but do have a nucleoid region.

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......................................... Economic and military competition from _______________ helped to convince many americans that the united states should become a world power. If you or someone else you may know has what may be considered a disability by the larger society---physical, intellectual, emotional. How is that portrayed in the media? n is known as the principal quantum number. ... l is known as the orbital quantum number. ... ml is known as the magnetic quantum number. ... n specifies l specifies ml specifies ... a. the subshell - orbital shape. b. the energy and distance from the nucleus. c. the orbital orientation. A coastal forest was home to a type of burrowing rodent that was not found anywhere else in the world. A year ago, a species of large predator moved to the forest, but the rodents were able to escape by hiding in narrow underground tunnels. Recently, a hurricane flooded most of the forest. A few days later, scientists studying the area found that no members of this species remained.Which best describes why the species became extinct? A natural disaster killed off the population by flooding their habitat.Large predators moved to the area where the rodents lived.They had no genetic variation so they could not adapt to changes in the habitat.They were not big enough to compete with the new, larger species for food.I NEED HELP RN PLSS FAST TYY Pablo has 300 more dollars than Al. This is also four times as much as money as Al has. Howmuch money does Al have? In Stargirl, what type of conflict can we identify?man vs. manman vs. selfman vs. societyall of the above you are presenting to your stakeholders an analysis of your companys latest quarter earnings. your stakeholders express concern that your projections for next quarter are lower than expected. what are appropriate ways to respond to these objections? select all that apply. what are the structural features of a nucleoside? In March 2016, Death Valley National Park in California experienced a rare occurrence: thousands of yellow wildflowers covered the region in a "super bloom." Why was this unusual? Death Valley is the hottest and driest place in North America. The area's average yearly precipitation is just two inches, making it a challenging place for flowers to grow. However, in October 2015, the valley had received more than three inches of rain in some areas. As a result of the unusually wet season, wildflower seeds that had been lying dormant underground suddenly began to grow, producing an abundance of golden blooms. antonio vivaldi, in his own day, was better known as a composer than a performer. (q007) antonio vivaldi, in his own day, was better known as a composer than a performer. true false Please help me determine the phenotype for each of these. 1. Look at the figure, OJKLM. Find the length of JKM5x-114+ 2xK four horizontal forces act on a vertical quarter-circular plate of radius 250 mm. determine the magnitude and point of application of the resultant of the four forces if p Another method is to add the parents heights in inches and then add an additional 5 inches if the child is a boy or subtract 5 inches if the child is a girl. This total is then divided by 2 to predict the childs ultimate height.Use the variable D, height of dad) and M, height of mom Write a formula for a boys adult height. Write the formula for a girls adult height. Jenny is making jewelry craft kits. She purchases 3 bags of each color band. She divides the total number of bands equally into 4 kits. How many bands are in each kit? Amelia purchased an artwork for $1500 as an investment. At the end of each year its value is 1.01 times its value at the beginning of the year. Its value t years after purchase is given by V=A1.01t.What is the value of A? If your immune system can't actually stop you from getting ill, then why is it beneficial? Why is it evolved to work this way, instead of simply stopping every infection in its tracks? If the figures are similar, use a proportion to find the missing side? You are told that a region has no glaciers. What does the lack of glaciers tell you about the climate of that region?.