Answers
Answer:
20
Explanation:
Related Questions
Match each organ with the germ layer from which it is formed.
Answers
The organ with the germ layer is formed Ectoderm, Mesoderm, and Endoderm.
Matching organs with the germ layer from which they are formed:
1. Ectoderm:
Skin (including the epidermis and nervous system): The ectoderm is the outermost germ layer and gives rise to the epidermis, which is the outer layer of the skin. It also gives rise to the nervous system, including the brain, spinal cord, and peripheral nerves. The ectoderm is responsible for the formation of structures such as hair, nails, sweat glands, tooth enamel, the lens of the eye, and the inner ear.
2. Mesoderm:
Bones: The mesoderm is the middle germ layer and gives rise to the skeletal system, including bones and cartilage.Muscles: The mesoderm also forms the muscular system, including smooth, skeletal, and cardiac muscles.Connective tissue: Connective tissues such as tendons, ligaments, and adipose tissue are derived from the mesoderm.Kidneys: The kidneys, along with the urinary system, develop from the mesoderm.Reproductive organs: The reproductive organs, including the gonads, develop from the mesoderm.Blood vessels: The mesoderm forms the cardiovascular system, including blood vessels, the heart, and blood cells.Spleen: The mesoderm also gives rise to the spleen, a part of the immune system.3. Endoderm:
The lining of the digestive tract: The endoderm is the innermost germ layer and gives rise to the epithelial lining of the digestive tract, including the stomach, intestines, and liver.The lining of the respiratory tract: The endoderm also forms the epithelial lining of the respiratory tract, including the lungs.Pancreas: The endoderm gives rise to the pancreas, which plays a key role in digestion and blood sugar regulation.Thyroid gland: The thyroid gland, involved in hormone production and metabolism, develops from the endoderm.Bladder: The lining of the urinary bladder is derived from the endoderm.Tonsils: The endoderm contributes to the development of the tonsils, which are part of the immune system.Thymus: The endoderm also forms the thymus, an organ involved in immune cell maturation.know more about Ectoderm here:
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Non-recombinant
chromosomes
1.) What do the labels above represent? (for example: capital "A" versus lower-case "a", and
the different letters "A or B or C"?
2.) The crossing-over (regional exchange of genetic information) occurs between homologous
chromosomes. WHY is it critical that only homologous chromosomes exchange information?
3. Why is it important that crossing-over takes place between the chromosomes from two
different parents? (answer on back).
Answers
The labels above represent different alleles of genes located on chromosomes. It is critical that only homologous chromosomes exchange information during crossing-over because homologous chromosomes have similar genes in the same order.
The labels above represent different alleles (versions of a gene) that are located on the chromosomes. Capital letters represent dominant alleles, while lower-case letters represent recessive alleles. Different letters represent different genes, and their locations on chromosomes are also different.
It is critical that only homologous chromosomes exchange information during crossing-over because homologous chromosomes have similar structures and genetic content, making it possible for them to align and exchange segments of DNA. If non-homologous chromosomes were to exchange information, the resulting genetic material would be unstable and could lead to genetic disorders or other problems.
It is important that crossing-over takes place between chromosomes from two different parents because it increases genetic diversity in offspring. Each parent contributes one set of chromosomes, and crossing-over allows for the exchange of genetic information between these sets, leading to new combinations of traits. This is important for the survival of a species as it enables adaptation to changing environments and increases the chances of finding new beneficial traits.
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Don’t know the concept neither do I understand this question
Answers
Chaunie - Ww - heterozygous for granting wishes
Patches - ww - homozygous for cannot grant wishes
The cross between Ww x ww will have the following genotypes:
Ww - 50%
ww - 50 %
The cross between Ww x ww will have the following phenotypes:
Ww - heterozygous for granting wishes - 50 %
ww - homozygous recessive for cannot grant wishes - 50 %
Botanical name of the host plant
Answers
The botanical name of the host plant is Musa acuminate.
A banana is a fit for human consumption fruit produced by means of several kinds of large herbaceous flowering plant life within the genus Musa. The scientific names of the main cultivated bananas are Musa acuminaia, Musa balbisiana and Musa paradisiaca.
The botanical name of a plant is the scientific Latin name figuring out the genus and the unique species. The motive that is finished in horticulture is because even as the Latin or medical call of a plant never varies, the local not unusual name once in a while does. A botanical name can also be known as a medical name.
A botanical call is a proper clinical call conforming to the International Code of Nomenclature for algae, fungi, and flowers (ICN) and, if it issues a plant cultigen, the extra cultivar or group epithets should conform to the worldwide Code of Nomenclature for Cultivated flora.
A botanical name is a formal medical name conforming to the global Code of Nomenclature for algae, fungi, and flowers and, if it worries a plant cultigen, the additional cultivar or organization epithets ought to comply with the global Code of Nomenclature for Cultivated flora.
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All of the following are examples of convection currents, except
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Answer:C, water flowing through pipes
Explanation:the answer is C because convection is when molecules are traveling from one place to another place instead of jiggling back and forth, so when water flow through the pipe it’s the substance that is moving which makes it wrong and an answer!
Answer:
C
Explanation:
what is endocrine glands
Answers
Does following a schedule
Appeal to you, or
Cramp you?
Answers
Following a schedule does not cramp me, rather it appeals to me.
Why schedules appeal to meA schedule is a plan that specifies the time and duration of activities, events, or tasks that need to be accomplished. It can be in the form of a calendar, planner, or list of tasks to be done at specific times.
Several reasons make having a schedule important include:
Managing time efficiently and effectively is vital for success. One way to do this is by prioritizing tasks and allocating the right amount of time to complete them. This helps in avoiding procrastination and ensures a timely completion. Create a schedule and stick to it to make the most of your time.By preventing individuals from taking on too many tasks simultaneously, a schedule is integral to optimizing productivity. A schedule ensures that tasks are completed promptly and efficiently.By creating order and control, a schedule can greatly reduce feelings of stress. The stress of last-minute rushes and deadlines can be avoided with the aid of a schedule.Learn more on schedules here https://brainly.com/question/31388638
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What is the benefit of this complementary nature of DNA?
-It helps in controlling the amount of protein produced by the cells.
-It helps in storing all the information required for the cell to function efficiently.
-It helps in the synthesizing of two new identical DNA strands from each parent strand
-It helps in the unwinding of DNA allowing for the formation of chromosomes during mitosis
Answers
The complementary nature of DNA rule ensures that only some particular base pairing are allowed and the DNA strands are complementary to each other.
The benefit of this complementary nature of DNA is that it helps in the synthesizing of two new identical DNA strands from each parent strand.
In DNA replication, the complementary nature of DNA ensures that following the production of new identical DNA strands, the composition of the new strands produced is intact and identical in composition.Learn more about the complementary nature of DNA: https://brainly.com/question/25674032
Small, nonpolar hydrophobic molecules such as fatty acids
a. pass readily through a
membrane's lipid bilayer
b. diffuse very slowly through the lipid bilayer
c require special channels to enter a cell
d. are actively transported across cell membranes
c. must enter the cell via endocytosis
Answers
Answer:
a. pass readily through a membrane's lipid bilayer
Explanation:
Small, nonpolar hydrophobic molecules such as fatty acids pass readily through a membrane's lipid bilayer.
Small, nonpolar hydrophobic molecules such as fatty acids pass readily through a membrane's lipid bilayer. Therefore, the correct option is option A.
The hydrophilic (water-loving) heads of the two layers of phospholipids in the lipid bilayer face outward towards the aquatic surroundings, while the hydrophobic (water-hating) tails point inward towards one another. The hydrophobic tails of phospholipids share characteristics with nonpolar hydrophobic compounds like fatty acids. These tiny molecules can easily dissolve in the hydrophobic area of the lipid bilayer because of their hydrophobic nature.
Therefore, the correct option is option A.
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Joe has been diagnosed with major depressive disorder. He interprets negative stressful events using a pessimistic explanatory style. This explanatory style creates a hopeless, depressed state, which then hampers the way he thinks and acts, causing more negative stressful events. Joe's depression is thus, at least in part, due to:
state-dependent memory.
rumination.
a biochemical imbalance.
indicators of depression.
Answers
Answer:
Vicious cycle, state dependent memory rumination.
Explanation:
It is state dependent memory rumination and it is due to vicious circle because vicious circle refers to a situation or events that lead to difficulties or problem and the difficulties also lead to another difficulties and these continue on and on or it continue to repeat itself. Joe's negative disorder create the problem of negative stressful interpretation, which then lead to more depressive state and affect the way he think and acts.
It is state dependent memory rumination because Joe interpret negative stressful events based on how his mindset ruminate and process information.
The table compares structures found in several groups of photosynthetic organisms. The presence of a structure is symbolized by a (+) symbol, while the absence of a structure is symbolized by a (-) symbol.
Using the data in the table, complete the cladogram on a sheet of scratch paper. Then determine the correct order of characteristics. Begin with the most primitive.
A. chloroplast, flowers, seeds, vascular tissue
B. cuticle, vascular tissue, seeds, flowers
C. seeds, vascular tissue, chloroplast, chloroplast
D. vascular tissue, chloroplast, cuticle, flowers, seeds
Answers
Answer:
The correct answer is D.
Vascular tissue, chloroplast, cuticle, flowers, seeds.
Vascular tissue and chloroplasts are the most primitive characteristics in the table, and so should be at the top of the cladogram.
Cuticle and flowers follow, and then seeds are last as they are the most advanced characteristic.
Answer: B
look at screenshot
3 Consider this representation of an original DNA sequence: THE TALL MAN WAS SAD. Now consider the mutated sequence: THE TALL MAN WAR SAW. What type of mutation occurred?
Answer: substitution
Answers
Answer:
Substitution
Sorry this is late
Answer:
Consider this representation of an original DNA sequence: THE TALL MAN WAS SAD.
Now consider the mutated sequence: THE TALL MAN WAR SAW.
What type of mutation occurred?
ans substitution
Explanation:
got it on edge
where is epithelial tissue found
Answers
Answer:
Epithelial tissues are widespread throughout the body. They form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in glands.
Explanation:
Hope this helps and have a great day.
a que distancia se encuentra una gaviota respecto del nivel del mar?
Answers
Answer:
Para determinar la distancia a la que se encuentra una gaviota respecto del nivel del mar, es necesario medir la altura a la que se encuentra volando. Así, dado que el nivel del mar tiene una altura considerada como de 0 metros, si la gaviota está volando a unos 500 metros de altura, por ejemplo, esa será su distancia respecto del nivel del mar.
An organism with two different alleles for single trait is said to be
Answers
The answer is Heterozygous.
Heteroz
Describe three different measures that can be obtained from a single age distibution graph compairing males and females of a given population
Answers
This population pyramid is still a graph showing displays the spread of ages among a population split down the middle among male and female population members.
What data about a population does an age distribution provide?age distribution, also known as age composition, is the proportion of people for each age group within a particular population in demographic research. A significant cause that age ranges vary among countries is because of variations in marriage rates or trends.
What three alternative theories of population distribution are there?The distribution of people might be uniform, random, or in groups. A population is said to be homogeneous if it's evenly spaced, random if it isn't, and clustered when it is.
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Where does DNA get transcribed into mRNA
Answers
Not positive but pretty sure it's ribosomes
A large balloon is taken to a shady area and filled with cool air. The balloon is then taken to a bright, sunny location. After a short time, the balloon begins to expand. WHAT explanation does this investigation verify?
as particles gain energy and the material takes up more space
A balloon filled with cool air will rise into the atmosphere
the sunlight had no effect on the balloon
the particles loss energy and the material takes less space
in the bottom choose the correct answer
Answers
Answer:
as particles gain energy and the material takes up more space
Explanation:
The cool air thats now in a hot area is expanding and taking up more space in the balloon, this is why the baloon starts to swell up
The explanation is that as particles gain energy and the material takes up more space. Hence option 1 is correct.
What is energy?Energy is defined as the capacity to carry out tasks. It can exist in various forms, including potential, kinetic, thermal, electrical, chemical, and nuclear. Due to the fact that it is a fundamental human requirement, energy is crucial to our daily existence. Our constructions, which are constructed by humans, are heated and cooled by energy. Even the simplest tasks like lifting your finger or getting out of bed require energy.
As the temperature rises, so does the kinetic energy of gases. The kinetic energy of the gaseous particles inside the balloon increases as it is exposed to the sun's heat, causing the balloon to expand. The pressure on the balloon's walls will rise as a result. It keeps growing until it reaches a point when the balloon bursts.
Thus, the explanation is that as particles gain energy and the material takes up more space. Hence option 1 is correct.
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What features developed between Platyhelminthes and Nematodes and the closest previous branch of the tree? They are related to all the other branches, how? What do they have in common with their closest relatives? What's different?
Answers
Answer:
Explanation:
Platyhelminthes and Nematoda are two phyla of animals made up of invertebrate worms. Although both strains are made up of worms, the two types of worms are not closely related. The main difference between Platyhelminthes and Nematoda is that Platyhelminthes is made up of flatworms with a thin, dorso-ventrally flattened body, while Nematoda is made up of a cylindrical body that tapers to fine ends at each end. Tapeworms, Turbellaria, Trematoda, and Monogenea are examples of Platyhelminthes. Secernentea, Enoplea, Chromadoria and Adenophorea are the examples of the nematodes. The flatworm Planaria and the roundworm Caenorhabditis elegans are the best-studied worms in the laboratory.
Question 6
How many
extrinsic eye muscles control each eye in a cow?
O 12
6
O 5
4
Answers
Answer:
12 jdjdjmrmrkkdmmuscles
Answer:
4
Explanation:
Cows have only four muscles that control their eyes. They can look up, down, left, and right, but they can't roll their eyes like you can.
• I had an experience with... It made me think about...
Answers
hello pls give me brainliest
differentiate between the chromosome theory of inheritance and the gene chromosome Theory
Answers
Answer:
The Chromosomal Theory of inheritance, proposed by Sutton and Boveri, states that chromosomes are the vehicles of genetic heredity. Neither Mendelian genetics nor gene linkage is perfectly accurate; instead, chromosome behavior involves segregation, independent assortment, and occasionally, linkage.
How does mutated DNA compare to unmutated DNA?
A: It is identical to the original strand.
B: It is single-stranded instead of double-stranded.
C: It is broken instead of continuous.
D: It is different than the original strand
Answers
Answer:
D. Its different than the original strand!
Hope this helps :3
Explanation:
I just took the K12 test :)
Make one qualitative observation about the picture above.
Explain why this is a qualitative observation.
Make one quantitative observation about the picture above.
Explain why this is a quantitative observation.
Answers
Quantitative: There are 7 ducks crossed the bridge. This is quantitative because it describes a numerical value from the picture.
Study the image, which describes how rapid changes in weather conditions occur.
How rapid changes in weather conditions occur. Arrow labeled Direction of frontal movement points right toward Cold front map symbol. Arrow labeled Rising warm air in front of cold front points from cold front to sky. Also labeled are: Development of clouds because of upward movement of warm air, and Advancing cold air behind cold front.
Based on the arrows, what does the image represent?
Air masses are barely moving.
Air masses are colliding with each other.
Jet streams are forming in the upper atmosphere.
Weather conditions are remaining steady and unchanged.
Answers
The image represents air masses colliding with each other, leading to rapid changes in weather conditions.
The image represents the process of rapid changes in weather conditions occurring. The arrows in the image indicate various elements and phenomena related to these changes.
At the top, the final answer is that the image represents "Air masses are colliding with each other."
1. The arrow labeled "Direction of frontal movement" points right toward the "Cold front" map symbol. This indicates the movement of a cold front.
2. The arrow labeled "Rising warm air in front of cold front" points from the cold front upward into the sky. This signifies the upward movement of warm air.
3. The image also shows the development of clouds due to the upward movement of warm air. This indicates the presence of moisture in the atmosphere.
4. Finally, the image depicts advancing cold air behind the cold front, indicated by an arrow. This cold air is moving in the direction of the warm air.
Putting all these elements together, we can conclude that the image represents air masses colliding with each other. The cold front is advancing and pushing against the warm air, leading to the formation of clouds and changes in weather conditions. This collision between air masses often results in rapid changes in weather patterns, such as storms, rain, or temperature fluctuations.
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6. In what ways did Americans at home contribute to the war effort? *
O
rationing goods
O working in war-related industries
O buying war bonds
O all of the above
Answers
Answer:
All of the above
Explanation:
Americans rationed goods at home in order to provide more food for the soldiers in the war. Americans also worked in factories that produced many of the goods needed in the war (like guns, ammunition, etc). Americans also bought war bonds to give more money to the army.
An amino acid's unique characteristics is defined by the ________.
Answers
We transformed E coli cells with a plasmid modified to contain a ‘virulence factor’ which would allow growth on media containing the antibiotic kanamycin (Kan). The plasmid confers constitutive resistance to ampicillin (Amp).
Assume you were given competent cells of known transformation efficiency (TE). Assume TE= 1x10[6] (note 10[6] means 10 to the power of 6). You want to have about 1000 colonies on the P-200 plate. How many nanograms of plasmid should you use in the transformation reaction? Select only one answer.
Answers
We need 1 nanogram of plasmid in the transformation reaction when the transformation efficiency is given for 1000 colonies on plate P - 200.
Given the value of transformation efficiency (TE) = \(1 * 10^6\)
Number of colonies on the plate P-200 = 1000
To calculate the amount of plasmid (in nanograms) required for transformation, we need to first calculate the number of cells required for transformation.
To get desired number of cells we multiply the transformation efficiency and number of colonies given such that:
number of cells = \(TE (1*10^6) * 1000 colonies = 1 * 10^9 cells\)
Since 1 nanogram of plasmid is equivalent to \(1 * 10^9\) cells, we can conclude that we need to use 1 nanogram of plasmid in the transformation reaction.
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The question as shown in the photo
Answers
Answer:
its the first one
Explanation:
Using the 100x objective lens from question 6, you estimate 12 organisms could fit across the DFV if they were laid end-to-end and 30 could fit is stacked side-by-side. What is the length and width of this organism (in microns)?
Answers
Answer:
Hi how are you doing today Jasmine