Answer:
true
Explanation:
Simple cuboidal epithelia are observed in the lining of the kidney tubules and in the ducts of glands. In simple columnar epithelium, the nucleus of the tall column-like cells tends to be elongated and located in the basal end of the cells.
how many heme groups are there in each hemoglobin molecule?
Answer:
4 heme groups
Explanation:
Which would scientists predict might happen due to solar flares?
Answer:
Explanation:
electrical systems in satellites will fail
What type of epithelial cells would you likely find on the surface of mucous membranes? Explain why
Answer:
simple columnar epithelial tissue or Stratified squamous nonkeratinized epithelium
Explanation:
Most mucous membranes contain stratified squamous or simple columnar epithelial tissue. The epithelial tissue sheet lies directly over the layer of loose connective tissue called lamina propria.
Why does water have a strong surface tension and why is this important?
The stronger the cohesive force, the stronger the surface tension. The water molecule has two hydrogen atoms bond to an oxygen atom through covalent bonding. ... Formed bonds are called hydrogen bonds which lead to strong cohesive forces between the water molecules and high surface tension of water.
Why is it important?The surface tension of water provides the necessary wall tension for the formation of bubbles with water. The tendency to minimize that wall tension pulls the bubbles into spherical shapes. Surface tension and droplets: Surface tension is responsible for the shape of liquid droplets.
GIVE ME GOOD ANSWER PLEASE! WILL MARK AS BRAINLIEST Remove a filament and anther from the flower, and write down your observations. Then, shake the pollen grains from the anther onto a microscope slide, add a drop of water, and place a coverslip on it. Observe the slide under a magnifying glass or a microscope. Describe the differences between the observations made with the naked eye and under magnification. If using a microscope, record specific observations for each magnification used.
Answer: when you put the pollen under a microscope you can see that the pollen isn’t just yellow and looks like dots but that that each one has a different shape and size
Explanation:
Look at the diagram below. In which organ of the human body would structures like these be found? Please help I was never taught this!!!
Answer:
small intestine
Explanation:
These structures are found in the Small Intestine of human body.
These are villi or microvilli.These increase the surface area which help in absorption.What are microvilli?These are the finger like membrane protrusions, that increase the surface area.These have a network of thin and small blood vessels close to the surface. The surface of the villi absorb the digested food.
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What happens to the balloon inside as you push up the balloon?
Answer:
air Bd ot seentgg8
Explanation:
6offtoc9tc9ycotcotc yvkyivy c yccy. uffufuguvjv
what happens to the monomer during the synthesis of a polymer?
does the moon make it's own light? explain how the moon gives us light at night?
Answer:
The moon doesn't produce its own light. Moonlight is actually sunlight that shines on the moon and bounces off. In other words, its surface reflects light from the sun.The perceived brightness of the moon from Earth depends on where the moon is in its orbit around the planet.
Explanation:
Disease or disorder that affects the nervous systems
Answer:
There are many diseases/disorders that affect the nervous system, but here are a few:
Alzheimer's disease
Parkinson's disease
Epilepsy
Stroke
Explanation:
Alzheimer's disease: Alzheimer's disease is a progressive disease (gets worse and worse overtime) that destroys your memory. When a person has Alzheimer's disease, their neurons (nerve cells) get damaged and eventually die all throughout the brain. Some problems people with this disease can experience are: getting lost easily, personality/behavior changes, memory loss (obviously), and need help with self-care and daily things.
Parkinson's disease: Parkinson's disease is a progressive disorder that affects one's movement. Because the nerve cells are damaged, the dopamine (type of neurotransmitter) levels decrease. Since dopamine can control your body movement, it makes it hard to balance, and you're usually stiff. It usually begins with a tremor in your hand.
Epilepsy: Epilepsy is a neurological disorder where neuron activity in the brain gets disturbed, resulting in a seizure. Epilepsy is usually genetic or gained through a trauma or stroke (brain injuries). During these seizures, people often lose consciousness. Most epileptic people are sensitive to lights (flashing and flickering especially).
Stroke: A stroke occurs when your blood supply to your brain is interrupted/stopped. This is a SERIOUS emergency. Cells can die from lack of blood and the resulting lack of oxygen. Most warning signs of a stroke include: numbness + weakness, trouble speaking, loss of balance, and dizziness.
What are some control variables
Duration of the experiment.
Size and composition of containers.
Temperature.
Humidity.
Sample volume.
Pressure.
Experimental technique.
Chemical purity or manufacturer.
Somebody help me please
What are some of the ways that animals rely on plants? (Choose all that apply)
Animals rely on plants directly or indirectly for food.
Animals breathe the carbon dioxide released by plants after photosynthesis.
Animals use the plants’ chlorophyll to make their own food.
Animals breathe in the oxygen a plant expelled during photosynthesis.
Answer:
Animals breathe the carbon dioxide released by plants after photosynthesis. And animals use the plants’ chlorophyll to make their own food.
Explanation:
Animals breathe the carbon dioxide released by plants after photosynthesis is the way by which animals rely on plants. The correct option is B.
Thus, In the ecosystem of the Earth, photosynthesis is an essential process. It serves as the primary source of energy for plants, which are ultimately ingested by herbivores.
This energy is then transferred up the food chain to higher-level consumers.
Aerobic respiration, the mechanism through which mammals and other creatures produce energy by mixing oxygen with glucose, depends on the oxygen created during photosynthesis.
Thus, Animals breathe the carbon dioxide released by plants after photosynthesis is the way by which animals rely on plants. The correct option is B.
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a variety of factors can inhibit or enhance calcium absorption. indicate whether each situation increases or decreases calcium absorption by dragging it to the appropriate column.
Calcium is very important to the organism, and different factors influence its absorption. Pregnancy, Infancy, Vitamine D increase calcium absorption. Oxalic acid, phytic acids, and being over 70 years old decreases absorption
------------------------------------------
Calcium is a highly significant mineral for the appropriate development and functioning of the organism.
Different factors influence the mineral absorption, favoring it or limiting it.
Among the factors that might favor calcium absorption, we can mention
PregnancyIn the second and third trimesters of pregnancy, calcium absorption is the greatest. The intestinal absorption of calcium in women during this period increases to meet different demands. Calciotropic hormones are involved in the process.
Vitamine DVitamine D is one of the principal factors involved in calcium regulation. Vitamine D helps to double calcium absorption through the thin intestine.
InfancyDuring infancy, the body is growing, bones are developing, and the body needs to consume a high amount of calcium to accomplish these functions.
Calcium is a baseline mineral to provide children while growing, especially in their first periods of life.
Among the factors that limit calcium absorption, we can mention
Age exceeding 70 years oldElder people consume less food, and together with food consumption decrease, a less amount of necessary mineral is consumed.
With aging, calcium absorption decreases approximately 20% in the intestine.
Oxalic acid and Phytic acidMany substances, together with ingested calcium, form compounds that impede mineral absorption through the small intestine.
So in the presence of substances such as oxalic acid and phytic acid, calcium absorption is limited.
It is recommended not to consume food rich in calcium and food rich in these other substances simultaneously.
Pregnancy, Infancy, Eating vitamine D-enriched food ⇒increases calcium absorptionOxalic acid in spinach, high fiber diet rich in phytic acids, and being over 70 years old ⇒ decreases calcium absorption-----------------------------------------------
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Read the sentence from the section "Interacting
With Light."
There are three different types of cones
in the eye which each detect a
wavelength of light: red, green or blue.
Which word, if it replaced the word "detect" in the
sentence above, would CHANGE the meaning of
the sentence?
A
hide
B
see
С
recognize
D
sense
Answer:
C
Explanation:
it just makes the most sense. A- hide does not relate to the word detect and is rather a antonym.
Also the word recognize means to pick out/find whereas detect is quite similar.
Atomic number and atomic mass both come from which part of an atom?
Answer:
A JIJOKNH;KPH;OHNLK////HI8I89UHUJK
Explanation:
THE BOTHE
JFOJIFJRIJFORGJKOTKGOPTGK35[PGKOPO34JG43POGJPJG'53OIGHO5GIHIUHJ4RNGF4IOHT'P953JGP5I9PTGJO5PO4GJKROGJRE;LGJE;LKRKGNJKLERJG5KJLGTJ5IJGIOTJGIP54JGIP54JGUO5TGNIO54RKLNG4O4%kGPO35JG54KHL[P45JHGOW46TK6HMBK54N G;54RMGK5W4RNGPOIOJTBO
why is the study of taxonomy important to understanding human evolution? this helps us to
Answer:
this helps us to categorize organisms so we can more easily communicate biological information.
Taxonomy is important to understanding human evolution because this discipline helps us to contextualize humans relative to other animals.
Human evolution has been subjected to extensive debate for many centuries.Taxonomy is a discipline that helps us to classify primates in the tree of life.Taxonomy uses ecological, morphological and molecular (DNA) features to classify organisms.In conclusion, taxonomy is important to understanding human evolution because this discipline helps us to contextualize humans relative to other animals.
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Which organic molecules serve as a catalyst in chemical reactions? O lipids O proteins onucleic acids carbohydrates
Answer:
Proteins
Explanation:
Many biomolecules are also polymers. Poly - many. Mer - parts. A polymer is a molecule made up of many parts. The image above is a monomer or part of a single part of a common polymer. What is the monomer and polymer?
monosaccharide; polysaccharide
nucleotide; nucleic acid
fatty acid; lipid
amino acid; protein
Answer:
nucleotide; nucleic acid
Explanation:
nucleic acid is the polymer, and nucleotide is the monomer as its the buliding block of nucleic acid.
which statement best describes photosynthesis and respiration
Answer:
Easy
Explanation:
Photosynthesis turns carbon into oxygen, and respiration puts carbon back in the air
HELP PLS!
What are the nitrogenous bases in RNA? Which pair together?
Answer:
he four bases that make up this code are adenine (A), thymine (T), guanine (G) and cytosine (C). Bases pair off together in a double helix structure, these pairs being A and T, and C and G. RNA doesn't contain thymine bases, replacing them with uracil bases (U), which pair to [tex] {adenine}^{1} [/tex].
In your own words, explain how
flow rate is affected by viscosity,
cohesion and adhesion.
Answer:
Heating a gas increase its viscosity .When the viscosity of a fluid decreases,it's flow rate increase. You can compare the viscosity of different fluids by comparing their flow rate. Flow rate is affected by adhesion and cohesion. The slower the fluid flows ,the greater the viscosity.
Help plz lol
Atoms are characterized by their protons and the number of
valence electrons. Which atom does this picture represent?
Answer:
carbon because its EC is 2:4 and the diagram shows 4electrons in its outer shell
why do people think
why are some people good at something and others are not
why is the big bang called big bang
why is the earth round why whywhwy
Answer:
i d k l o l
Explanation:
Can anyone please this? ASAP
Answer:
i can't see this
Explanation:
Answer:
Answer is B
Explanation:
OK. you seem to be lazy to observe. you have to observe each nitrogenous base pair to check whether if it's paired with the right one. according to the rules of biology, two purines and two pyrimidines pair with each other. following are the mistakes of each diagram except B.
A- In the 6th pair, Guanine has paired with Guanine.
C- In the 3rd pair, Adenine has paired with Adenine.
D- In the 10th pair, Guanine has paired with Thymine.
All the above incidents are impossible in the biology of earth.
Where should a prep table be located
Nombra los siguientes OXACIDOS por las tres nomenclaturas conocidas: 1) HBrO2 2) H3PO4 3) HClO 4) H2Cr2O4 5) H2SO3
Answer:
2) H3PO4
Explanation:
Rewrite this sentence to make it true:
Physical changes happen when the molecules and atoms in matter change.
Answer:
Chemical changes happen when the molecules and atoms in matter change
Explanation:
Chemical changes occur when molecules or atoms' bonds are broken or formed
after the four steps of cellular respiration, where is most of the energy stored?
Answer:
on the inner membranes of the mitochondria
Explanation:
instead of all the energy being released at once and that energy is used to form ATP
Question 3
1 pts
What structure in a eukaryotic cell is the location for the process of transcription?
mitochondria
nucleus
cell membrane
ribosome
OCT
tv
B. nucleus