Answer:
Aug 11, 2017 — Vitamin D3 is produced in the skin from 7-dehydrocholesterol by UV irradiation, 1,25(OH)2D reduces 1,25(OH)2D levels in cells primarily by Animals null for calbindin 9k (the major calbindin in mammalian abnormal vitamin D and/or calcium metabolism in some but not all of these patients (24-26). Cholesterol, a waxy substance that is present in blood plasma and in all animal tissues. it is a primary component of the membrane that surrounds each cell, and it is synthesizes bile acids, steroid hormones, and vitamin D. Cholesterol are essential energy sources and structural components of all life
You have been provided with a non-polar liquid and are trying to determine whether
it is hydrophilic or hydrophobic. You place one milliliter of the substance into a
beaker filled halfway with water. Describe what will happen next.
Answer:
Explanation:
Non-polar liquids are liquids that have covalent bonds in which the shared electrons are shared equally. The molecules of these liquids are repelled by the molecules of water and hence do not dissolve in water. Thus, non-polar liquid are hydrophobic (water dislike/insoluble in water).
When one milliliter of the substance is placed into a beaker filled halfway with water, the substance will be seen "compact" (not dissolving nor interacting) in the beaker of water.
Polarity is defined as the separation of electric charge in a molecule or having an electric dipole moment due to the difference between negative and positively charged ends.
In the given experiment when one milliliter of the substance into a beaker is filled halfway with water, the substance will be seen as coagulating or not dissolving in the water.
The non-polar are the compounds or liquids that do not dissolve in the water. The non-polar molecules are the molecules, which are attracted to the alike molecules, rather than the water molecules.
The non-polar compounds have covalent bonds, in which the electrons are shared among the atoms of the compound.
The molecules of these liquids are repelled in the presence of water or are hydrophobic. These liquids do not dissolve in water.
Therefore, the liquid is hydrophobic.
To know more about the polarity, refer to the following link:
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what is sexual reproduction
Answer:
the production of new living organisms by combining genetic information from two individuals of different types (sexes). In most higher organisms, one sex (male) produces a small motile gamete which travels to fuse with a larger stationary gamete produced by the other (female).
Answer:
I think this answers you help u
Question 6
Why did the plate boundary that runs up California change from convergent to transform?
Explanation:
The most recent period of the Cenozoic is the Quaternary, which began about 2.6 million years ago. The most recent epoch is the Holocene, which began around 12,000 years ago. Go back to the concept on human evolution in the chapter Life History to figure out what events mark the beginning of these time periods.
4. Why are coral reefs only found in tropical water? *
(1 Point)
They need cold water with little sun
They need deep water and humid temperatures
They require shallow waters where the sun can reach them
Answer:
They require shallow water where the sun can reach them.
Advancements in which held have increased the ability to store increasing amounts of data on electronic devices?
social skills
driving skills
technology
biology
Answer:
Technology
Explanation:
As technology gets better, the density with which you can pack devices with transistors, or other methods of data storage has rapidly increased. Hope this helps!
Answer:
C
Explanation:
what is the biodiversity score of farmland (maize)?
Answer:
Required Answer:-The intensification of agriculture has caused dramatic declines in farmland biodiversity (Carvalheiro et al., 2013; Senapathi et al., 2015). Since the 1990s, agricultural policies have been developed in Europe to mitigate this loss through agri-environmental schemes (AES). One AES is “sown wildflower strips”, the aim of which is to create new ecological infrastructures by sowing attractive wild flowers on arable land (a few % of the cultivated area). These ecological infrastructures fall within our definition of MIMS since they represent a massive introduction of managed species in the landscape.
Are mitochondria found in plant cells, animal cells, or both??
Please help:)
Answer:
Both.
Explanation:
Both animal and plant cells have mitochondria, but only plant cells have chloroplasts. Plants don't get their sugar from eating food, so they need to make sugar from sunlight.
Answer:
Both.
Explanation:
Without mitochondria, cells would not be able to function, no matter what type they are. Mitochondria is the powerhouse of the cell! Hope this helped
I need help asap!! Please
It’s due in a little bit
Answer:
explain please????!??????!
An interaction in which one organism captures and feeds on another organism is called
a competition
C mutualism
b. symbiosis,
d predation
Need help Plz!!!!
Choose ONE of the three writing assignments below and write a 4-6 sentence letter. Use science vocabulary, full sentences, proper grammar and details that show your understanding.
An 8th grader writing to a scientist telling them what they know about bacteria and asking more questions.
A harmful bacteria writing to a good bacteria telling them how they hurt humans and why they’re cooler.
A teacher writing to a confused student about the differences between bacteria and other life forms.
What important gas do we take in when we breathe
Answer:
oxygen
Explanation:
we breath in oxygen and release carbon dioxide
hope this helps :)
Why is a red laser pointer an example of a poor blackbody radiator?
A. It glows less brightly as electromagnetic radiation is released.
O B. It gives off a range of wavelengths of electromagnetic radiation.
C. It gives off only one wavelength of electromagnetic radiation,
D. It keeps the same temperature and gives off no electromagnetic
radiation
A red laser pointer is a poor blackbody radiator because it emits electromagnetic radiation at only one wavelength. So, the correct option is C.
What is blackbody radiator?Depending on its temperature, a blackbody radiator is an object that radiates at different wavelengths. Blackbody radiation is the radiation that a blackbody radiator emits, and it exhibits a certain pattern known as Planck's law.
A red laser pointer, on the other hand, produces a narrow, focused beam of light at a specific wavelength, typically around 650 nanometers. This indicates that, unlike a blackbody radiator, a laser pointer does not generate radiation at different wavelengths. A red laser pointer is therefore a subpar blackbody radiator.
Therefore, the correct option is C.
Learn more about Blackbody radiator, here:
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Answer this question.
An on-going research study has been tracking the dietary preferences of gorillas in the wild. Researchers are hoping to formulate a diet for gorillas in captivity that mimics those living in their natural habits. By reproducing the preferred diet, researchers hypothesize that the eventual release back into the natural habitat will be an easier transition for the gorillas.
Researchers are using various methods to make observations and collect data about the feeding habits of gorillas in the wild. Which method would be classified as direct observation?
A) Counting and classifying the debris in the area where the gorillas live.
B) Observing the gorillas from a protected location and recording what they eat.
C) Surveying the natives in the area about the diet of the local gorilla population.
D) Photographing the habitat of the gorillas in a before and after scenario and seeing what is missing from the after photograph.
Answer:
Hi, I think it is A) Counting and classifying the debris in the area where the gorillas live.
Explanation:
I am sooooo sorry if I got it wrong! Have a nice day and good luck! :)
Has anyone done aqa a level biological molecules exampro exam paper
Answer:
No sorry
Explanation:
2. What is the complementary DNA sequence for the following DNA strands? Write the sequence of the complementary strand below the sequence
given to you.
CGTATC
CTTTCAAG
GAGACTTAC
Answer:
CGTATC - DNA complementary strand- GCATG
CTTTCAAG- DNA complementary strand-GAAAGTTG
GAGACTTAC-DNA complementary strand-CTCTGAATG
Explanation:
Remember that the complementary sequence will be based on base pairing for DNA, so the A will pair with T, C with G
is golgi apparatus a plant or animal cell?
Answer:
it's actually found in both plant and animal cells.
Explanation:
A major function of the golgi apparatus is the modifying, sorting and packaging of proteins for secretion. It is also involved in the transport of lipids around the cell, and the creation of lysosomes.
hope it helps hun :)
The Golgi apparatus is found in both plant and animal cell as it is one of membrane-bound organelle in all eukaryotes.
A Golgi body or Golgi apparatus is one of cell organelle that process and package proteins and lipid molecules, especially proteins exported from the cell to various destinations such as lysosomes, or secretion. In addition, the plasma membrane and
glycolipids and sphingomyelin are synthesized within the Golgi.found in eukaryotes onlyis a factory and transport vehicle for different molecules.found in all plant and animal cellspresent near the endoplasmic reticulum.Thus, the correct answer is - present in both plant and animal cell as it is one of membrane-bound organelle in all eukaryotes.
Learn more about the golgi apparatus:
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which gender has a higher heart rate?
Answer:
Females
Explanation:
The average adult male heart rate is between 70 and 72 beats per minute, while the average for adult women is between 78 and 82 beats. This difference is largely accounted for by the size of the heart, which is typically smaller in females than males. :)
should a business owner be more interested in making money or doing what they are passionate about?why?
Answer:
passion
Explanation:
a business owner should be interested in doing what they are passionate about because if they like something they will make more money and more customers will be attracted to their new project
(NEED HELP ASAP) True or False: Some food molecules (fiber, starch, glucose,etc.) that enter the body never leave the digestive system?
Answer:
True
Explanation:
write a food chain from this food wed with six tropic levels
Answer:
Pri mary Prod ucers
Prim ary Con sumers
Secondary Consum ers
Te rtiary Consumers
Ap ex Pred ators
Trophic casc ade?
(i put lines because it says that i'm using "inappropriate" words.)
___ code in DNA from nucleus to ___.
Answer:
i dont understand your question, please make it clearer
Explanation:
Which of the following has a greater gravitational pull on the Earth?
1000 kilogram hippopotamus
100 kilogram human
1 kilogram cat
0.1 kilogram mouse
Answer:
a
Explanation:
Can someone tell me what this is?? I’m pretty sure it’s not petrified wood, and it’s definitely not bismuth.
And..Socratic can help! This learning app, powered by Google AI, helps you understand your school work at a high school and university level. Ask Socratic a question and the app will find the best online resources for you to learn the concepts.
2. Which type of stem cell gives rise to red and white blood cells?
A. Endothelial
B. Epithelial
C. Hematopoietic
D. Mesenchymal
Any help is appreciated!!
endothelial is the ans dud
The type of stem cell that gives rise to red and white blood cells is called a hematopoietic stem cell and is present in Option C, as hematopoietic stem cells are multipotent stem cells that reside in the bone marrow.
What is a hematopoietic stem cell (HSCs) ?
Hematopoietic stem cells are a type of stem cell that give rise to all types of blood cells, including red blood cells, white blood cells, and platelets, and they reside in the bone marrow and are responsible for replenishing the body's blood cells. They have the ability to differentiate into a variety of cell types, and the process by which HSCs differentiate into the different types of blood cells is tightly regulated by various factors, including growth factors.
Hence, the type of stem cell that gives rise to red and white blood cells is called a hematopoietic stem cell and is present in Option C.
Learn more about the hematopoietic stem cell here.
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How many different elements are represented in the chemical formula?
CH4 + 202 → CO2 + 2H2O
A.7
B. 5
C.4
D.0.3
Dogs have 39 chromosomes. Each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere. Once the chromosome has split, each chromatid is called a daughter chromosome. At the end of cytokinesis, how many daughter chromosomes will be found in each dog cell? 19 19.5 23 39 46
Answer:
39
Explanation:
Answer:
39
Explanation:
The cells copy themselves so there is one original and one new. We only count the new so it is still 39.
pls help me pls idk how to do this
1- Evaporation:-
Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase. For more evaporation, the area that surrounds the surface of the water must be less humid i.e. it should not already be concentrated have the water vapors. For the evaporation we need to increase the temperature of the molecules of water on the surface, which is caused by the Sunlight.
__________________________________________________________
By keeping that in mind,
Drag the box
LIQUID --> GAS
and
WATER TURN INTO VAPOURS AND RISES UP IN THE SKY.
also
ENERGY FROM SUN CAUSES WATER TEMPERATURE TO RISE
_____________________________________2- Condensation:-Condensation is the change of water from its gaseous form (water vapor) into liquid water.
__________________________________________________________
Keeping that in mind,
Drag box
GAS ---> LIQUID
and
WATER VAPOURS COOL IN THE SKY AND TURNS INTO CLOUDS.
_____________________________________3- Precipitation:-Anything that is falling from the sky is precipitation. It could be rain, hail, snow, or sleet.
_________________________________________________________
Keeping that in mind,
Drag the box
WATER VAPOURS FALL ON THE EARTH IN THE FORM OF RAIN SNOW HAIL OR SLEET.
_____________________________________Best Regards,'Borz'OMG IF YOU ANSWER THIS YOU GET GOOD LUCK FOR 100000 YEARS !
What is the memory device for the 3 differences between DNA and RNA?
First of all, the nucleotides of DNA and RNA are different: in DNA, in fact, pentose sugar is deoxyribose, while in RNA it is ribose, which has one more oxygen atom. Moreover, in DNA the nitrogen bases are adenine, cytosine, guanine and thymine while in RNA instead of thymine there is the uracil base
what is the passing of traits from parents to offspring?
If 100 mice are bred, how many red eyed white mice would you expect?
Answer:
6
Explanation:
In this scenario, black fur (F) is dominant to white fur (f) and black eyes (E) are dominant to red eyes (e). So in this case you would be looking for all lowercase letters in the punnet square, which would only be 1 mouse with white fur and red eyes (ff ee), and since there are 16 potential genotypes for offspring and only 1 that would be white with red eyes, you would divide 1 by 16 and get 0.0625, then you would multiply 0.0625 by 100 (total number of mice) and you would get 6.25. since you can't really have .25 of a mouse (that would be kind of gross) you round down and get 6, the closest answer.
(Also I just took this quiz and got this question right. Just wanted to confirm that in case you had any doubts!)
Hope this helped!