Answer:
What sends oxygenated blood back to the heart from the lungs?
Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.
Explanation:
Which condition is important for a temperature inversion?
two layers of warm air
two layers of warm air, one on top of the other
a layer of warm air over a
layer of cold air
a layer of cold air over one of warm air
Answer:
the answer is that"a layer of warm air over a layer of cold air" which can be caused by factors like formation of fronts, scattering, advection.
The condition important for a temperature inversion is a layer of warm air over a layer of cold air. Hence option C is correct.
What is temperature?Temperature is defined as any scale used to represent how hot or cold something is, including the Celsius and Fahrenheit scales. Food, beverages, agriculture, and medical care for both people and animals all depend heavily on temperature. Temperature also frequently affects our general health in a number of ways. In facilities used for medical cold storage, maintaining optimum temperatures is crucial.
The usual behavior of temperature in the troposphere is reversed by a phenomenon known as temperature inversion. A layer of warm air sits on top of the layer of cold air beneath this meteorological occurrence. It is brought on by static atmospheric circumstances, while it can also be brought on by air moving horizontally or vertically.
Thus, the condition important for a temperature inversion is a layer of warm air over a layer of cold air. Hence option C is correct.
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Humans have 23
chromosome pairs.
COMPLETE
have two X chromosomes, while
have one X chromosome and one Y
chromosome.
DONE
Answer:
Females have two X chromosomes, while males have one X chromosome and one Y chromosome.
Explanation:
Humans have 23 chromosome pairs, out of which one pair determines the biological sex of an individual. Females have two X chromosomes, while males have one X and one Y chromosome. Mothers always pass on an X chromosome to their children, while fathers can pass on an X or Y chromosome. The sex of the child will depend on which chromosome it inherits from its father.
Research what evidence each side of the nature versus nurture argument uses to disprove the opposing viewpoint. Taking one side of the argument, write an opinion piece supporting your view and opposing the other.
Answer:
Yes because some scholars, like Schlinger, believe that humans were once a blank slate, but Pinker argues that biology likely plays an important role in human behavior
Explanation:
When a piece of liver is dropped into hydrogen peroxide, the peroxide bubbles vigorously as the hydrogen peroxide (H2O2) decomposes into water (H2O) and oxygen (O2) This range change in reaction rate suggests
that liver is a substrate for hydrogen peroxide
that liver contains lots of germs
the liver contains an enzyme that breaks down hydrogen peroxide
that hydrogen peroxide is a powerful enzyme
Answer: C
Explanation:
Catalyst is one enzyme from liver that breaks down harmful hydrogen peroxide into oxygen gas and water
When a piece of liver is dropped into hydrogen peroxide, the peroxide bubbles vigorously as the hydrogen peroxide decomposes into water and oxygen. This suggests the liver contains an enzyme that breaks down hydrogen peroxide. Thus, the correct option is C.
What is Catalase?Catalase is a common enzyme which is found in nearly all living organisms which are exposed to oxygen gas. Catalase is a key enzyme which uses hydrogen peroxide, a nonradical Reactive Oxygen Species, as its substrate. Catalase enzyme is responsible for the neutralization through decomposition of hydrogen peroxide, thereby maintaining an optimum level of the molecule in the cell system which is also essential for the cellular signaling processes.
Catalase is an enzyme which causes or speeds up a reaction without being affected during the reaction. The enzyme catalase speeds up the breakdown of hydrogen peroxide into water and oxygen gas.
Therefore, the correct option is C.
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When ants get food from plants and protect the plants from being eaten, what kind of relationship do these two species have? Plzzzz help!!!
a) mutualistic
b) parasitic
c) commensalistic
d) harmful
Answer:
Myrmecophytes, otherwise known as ant-plants, share a mutualistic relationship with a colony of ants. This is when two organisms of different species each benefit from the activity of the other. There are over 100 different genera of myrmecophytes that can be found across the world's tropical regions
Explanation:
5.The chemical bonds between 2 oxygen atoms are polar covalent bonds.
Select one:
O True
O False
Answer:
False
Explanation
There is no substantial difference in electronegativities that would create a polar bond... electrons would NOT be unevenly distributed in O2, meaning that the molecule has a nonpolar covalent bond
The Venn diagram compares organic and inorganic compounds.
Which statement belongs in the space marked X?
Made from phosphorus and oxygen
Not made from living things
Made from every element except carbon
Not made from elements
Answer: b, not made from living things
Explanation: took the test
Answer:
b
got it right
I will give 60 points!
What happens to Cinder in the medical lab?
Answer:
She found out that she was 36.28% not human
Answer:
She found out when she woke up that she was 36.28 percent not human
Explanation:
Where does aerobic respiration occur in the cell?
Ribosome
Cytoplasm
Mitochondria
cell membrane
Answer:
Mitochondria
Explanation:
Aerobic respiration has most of the characteristic of eukaryotic cells. So, when they have enough oxygen it happens within the mitochondria.
Which of the following characteristics is common to both acids and bases
Answer:
acids can burn people and baces can not and i am truley sorry if i am not right
Explanation:
1 All of the following processes move carbon out of the biosphere and into the atmosphere, geosphere, or hydrosphere except:
a:respiration b:photosynthesis c:excretion d:decaying
Answer:
photosynthesis
Explanation:
it takes carbon into the biosphere
Photosynthesis doesn't move carbon out of the biosphere instead takes up carbon and uses it for energy production in plants. Therefore, option (B) is correct.
What is photosynthesis?During the process of photosynthesis, plants draw carbon dioxide (CO2) and water (H2O) from the atmosphere and the soil respectively. Within the plant cell, water undergoes oxidation, which results in the loss of electrons, whereas carbon dioxide undergoes reduction, which results in the accumulation of electrons. Because of this, the water is converted into oxygen, and the carbon dioxide is converted into glucose.
Photosynthesis powers plant growth. This mechanism transforms carbon dioxide, water, and soil minerals into cells. Plants generate oxygen and nourishment.
Therefore, option (B) photosynthesis move carbon out of the atmosphere and into the biosphere.
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Why did the acid diffuse across all sides of the agar cubes equally?
Answer:
All biological cells require the transport of materials across the plasma membrane into and out
Explanation:
Think about the known reactants (inputs) of cellular respiration. Which organism-level impact is directly related to the reactant(s) of cellular respiration?
Answer:Identify the reactants and products of cellular respiration and where these ... Nearly all living organisms carry out glycolysis as part of their metabolism. ... is high; it is less active when ADP levels are low and the concentration of ATP is high. ... The number of ATP molecules ultimately obtained is directly proportional to the ..
Explanation:
Fire can technically reproduce. However, it is not considered a living thing
because...
O
Fire does not use energy
O Fire does not respond to its environment
O Fire is not made of cells
O Fire does not grow
where do plants get their nitrogen
chemical composition of the Rough endoplasmic reticulum
Answer:
The rough endoplasmic reticulum consists of two dimensional flattened sacs formed from phospholipids and ribosomes.
Explanation:
Genes within DNA are expressed through transcription and translation of the genetic code.
The rough Er contains important machinery in gene expressions, Ribosomes embedded in a lipid membrane. These are small sub cellular organelles that carry out a specific function of protein manufacturing and modulation. They contain the translocon complex, integral to the translation process
The endoplasmic retuculum consists of folded phospholipid membrane sheets or cisternae- these are mainly two dimentional, and form flat sacs.These provide small specific environments from the cytosol in the cytoplasm- they span the entire cytoplasm.
In guinea pigs, black fur color is dominant and brown fur color is recessive. Several matings between the same male black guinea pig and female brown guinea pig produce a total
of 30 black guinea pigs and no brown guinea pigs. What are the genotypes of the parents?
A. Bb x Bb
B. BB x bb
O C. Bb x bb
D. BB x BB
Answer:
BB x BB
Explanation:
All of the offspring inherit traits from the dominant gene. This means there are no recessive present.
Which of the following types of models is most likely to be used to predict earthquakes?
a.
idea model
b.
physical model
c.
computer model
d.
none of the above
Please select the best answer from the choices provided
A
B
C
D
Answer:
B (Physical model)
explaination:
Answer:
B (Physical model)
explaination:
what organ Works to keep your blood plasma isotonic
The kidneys.
The kidneys keep blood isotonic by removing excess salt and water through urine.
(HELP ASAP)
Some gold mines are more than 10 miles deep.
True or False?
Answer:
true true true true true true true
How many molecules are in 0.585 mole of lactic acid?
Answer:
There are 3.523x10²³ molecules in 0.585 moles of lactic acid.
Explanation:
To solve this problem we need to use Avogadro's number, which is defined as the number of molecules (or atoms, in the case of an element) that are in 1 mole:
There are 6.023x10²³ molecules in 1.0 mole
With that information in mind, we convert lactic acid moles into molecules:
0.585 mol * 6.023x10²³ molecules/mol = 3.523x10²³ moleculesIn prescriptive science investigations, scientists often make observations to understand the interacting parts of a complex____ A.Control B.Hypothesis C.procedure D. System
Answer:
The correct answer is D.
Explanation:
Descriptive science investigation is a study model, according to which a phenomenon is approached and its elements are characterized and its conceptualized, according to a series of methods used for data collection and expression of the same, that is, through this type of research, which uses the method of analysis, it is possible to characterize an object of study or a specific complex system, point out its characteristics and properties. The main objective of this research is the relationship between the factors, the actors and the variables. Researchers not only collect data through observation but are in charge of studying and analyzing to obtain meaningful results that can contribute to knowledge.
Approximately how many base pairs are improperly matched before being repaired by the DNA polymerase?
a. 1 in 10,000
b. 1 in 100,000
c. 1 in 1,000,000
d. 1 in 10,000,000
e. 1 in a billion
Nucleic acids are made of fundamental units called base pairs along with sugar and phosphate groups.
The base pairs are joined unitedly by a hydrogen bond.
The correct answer is:
Option b. 1 in 100,000
This can be explained as:
In the eukaryotic cells, there is a chance once in 10⁵ polymerized nucleotides to have an error.The errors are repaired by the DNA repair mechanism and the correct nucleotide is added.Therefore, once in 10,000 base pairs are matched wrongly before being repaired by DNA polymerase.
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15 points, please help!!!
How many condons are shown on the mRNA strand below?
why are colonial organisms not truly multicellular?
Answer:
Colonial Organisms
The difference between a multicellular organism and a colonial organism is that the individual organisms that form a colony or biofilm can, if separated, survive on their own, while cells from a multicellular organism (e.g., liver cells) cannot. This enables the colony to swim towards the light.
Explanation:
All based on research.
You're smart, thanks so much and do you know the missing answers to this: The Endothelial cell lining a ANSWER adjacent to a site of inflammation will express on their cell surface adhesion molecules which will be complementary for a set of ANSWER molecules expressed on the surface of circulating ANSWER.
Answer:
uvehjkc hjhjjkcwdec iwbidcwedcwsdcwedcwscxde
Explanation:
JK but hows you day going
Making decisions require: no thought a little thought a lot of thought varying amounts of thought
Answer:
Varying amounts of thought
Explanation:
Some decisions, like what you should eat for lunch, require very little thought but others require a lot of thought, like choosing a college.
Answer:
varying amounts of thought
Explanation:
Breakdown of dead/decomposing materials into ammonia?
Answer:
Breakdown of dead materials into ammonia occurs due to decomposers.
Explanation:
Decomposers are the organisms which are responsible for the breakdown of dead bodies of plants and animals produces ammonia by consuming the nitrogen present in that dead body of plant and animals through the process of ammonification. The ammonium produced is then converted into nitrates by the nitrifying bacteria and this nitrates is used by the plants for making amino acids and enzymes.
An ecosystem is best described as the
A) Type of food that an organism eats
B) Type of home an organism builds
C) Group of organisms in a particular place
D) Living and nonliving factors in one place
An ecosystem is best described as a group of organisms in a particular place. Thus, the correct option for this question is C.
What is an Ecosystem?An ecosystem may be defined as a type of place or an area where individuals of different species live together and interact with each other for the purpose of food, resources, space, shelter, and mating partners.
While the thing that constitutes both Living and nonliving factors is known as an environment. The territory is a type of home that an organism builds.
The ecosystem is generally a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. It typically consists of all the organisms and the physical environment with which they interact.
Therefore, an ecosystem is best described as a group of organisms in a particular place. Thus, the correct option for this question is C.
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How is infiltration related to groundwater?
Answer:
Ground water comes from rain water and snow that land on the surface and perlocate down into the soil and than becomes ground water. Infiltration is the process of the water entering the soil therefore without infiltration ground water wouldn't be able to be made as no water would go through the soil
Explanation:
Basically inflitration is the process of water going through the soil and into the earth and once it goes deep enough into the earth and passes through more soil it is considered groundwater.