Answer:
I think the answer is capital
Consider the following scenario: In a muddy lake environment, some fish have brown scales. Most fish, however, have silver scales. Predators have a harder time seeing the fish with brown scales. Which term best describes the brown scales?
Answer:
Camouflauge
Explanation:
The given condition in which predators have a more challenging time seeing the fish with brown scales is known as camouflage.
What is camouflage?Plants and animals use camouflage to blend into their surroundings.Both predators and prey use camouflage to avoid detection.Prey may change their skin color or disguise themselves to avoid detection by other predators during this phenomenon. Predators like the Stone Flounder, a flatfish, lay motionless on the ocean floor, buried beneath the sand, waiting for prey.Why do animals use camouflage?hide from their pursuers.They are making it difficult for their prey to flee and sneak upon them.Coloration and markings are used to blend into their surroundings.Thus, we can conclude that the brown scale fish use camouflage, resulting in a more challenging time for predators to see the brown scale fish.
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Pseudomonas putida is used for fermentation of the lactose present in cheese whey. The bacteria are cultivated in a steady-state chemostat with sterile feed and at a dilution rate of D = 0.28 h-1. The lactose concentration in the feed and the effluent are S0 = 2.0 g/L and S = 0.10 g/L, respectively. The following information is available: YX/S = 0.45 g X/g S, YX/O2 = 0.25 g X/g O2, and C* = 8 mg/l (saturation DO). a. Determine the steady-state biomass concentration (X) and the specific rate of oxygen consumption (go2) b. What should be the oxygen transfer coefficient (Kia) to overcome oxygen transfer limitations if the desired DO concentration in the fermentation medium is 2 mg/l?
Answer:
Explanation:
Given that:
The dilution rate D = 0.28 h⁻¹
The concentration of lactose in the feed [tex]S_o = 2.0 \ g/L[/tex]
The effluent S = 0.10 g/L
Also;
[tex]Y_{X/S} = 0.45 g\ X/g \ S , \\ \\ Y_{X/O2 }= 0.25 g \ X/g \ O2, \\ \\[/tex]
Saturation C* = 8 mg/l
To calculate the steady-state biomass, we use the formula:
[tex]X = Y_{X/S}(S_o-S_e) \\ \\ X = 0.45(2.0 -0.10) \ g/L \\ \\ X= 0.45 (1.9) \ g/L \\ \\ X = 0.855\ g/L \\ \\ X = 855 \ mg/L[/tex]
The biomass is 0.855 g/L
For a steady-state condition, the oxygen uptake rate can be illustrated by using the formula:
[tex]q_{o_2}X =\dfrac{\mu_X}{Y_{X/O_2}}[/tex]
where;
[tex]\mu =[/tex] dilution rate (D)
Thus, the steady-state can be expressed as:
[tex]q_{o_2}X =\dfrac{D}{Y_{X/O_2}}[/tex]
[tex]q_{o_2}X =\dfrac{0.28}{0.25}[/tex]
[tex]q_{o_2}X =1.12 \ h^{-1}[/tex]
The specific rate of oxygen consumption [tex]q_{o_2}X =1.12 \ h^{-1}[/tex]
b)
In the fermentation medium, if the desired DO concentration [tex]C_L[/tex] = 2 mg/L
Here, the oxygen transfer is regarded as the rate-limiting step.
As such, the oxygen transfer rate(OTR) is equivalent to the oxygen uptake rate.
In this scenario, let's determine the oxygen transfer coefficient [tex](K_{La})[/tex] by using the formula:
[tex]OTR = K_{La}(C^* - C_L)[/tex]
where;
[tex]K_{La}[/tex]= coefficient of oxygen transfer
C* = saturation
Since [tex]OTR = q_{O_2}X[/tex]
[tex]q_{o2}X = K_{La}(C^*-C_L) \\\\ (1.12 )(855) = K_{La}(8-2) \\ \\ 957.6 = K_La (6) \\ \\ K_{La}= \dfrac{957.6}{6} \\ \\ K_{La} = 159.6 \ h^{-1}[/tex]
Thus, the oxygen transfer coefficient [tex]K_{La}[/tex] = 159.6 h⁻¹
Where are the neutrons located in the atom? O In the nucleus O Around the nucleus
Answer:
in the nucleus
Explanation:
they are found in it
Why do all microorganisms produce pyruvate via glycolysis?
a-Evolution
b-All microorganisms do not produce glucose via glycolysis,
there are alternate pathways that produce glucose.
c-Alternate pathways exist where glucose is directly converted to acetyl-CoA
d-All microorganisms do not produce pyruvate via glycolysis, there are alternate pathways that produce pyruvate.
e-Pyruvate is necessary for all dephosphorylation reactions in cells.
Answer:
B) All microorganisms do not produce glucose via glycolysis,
there are alternate pathways that produce glucose.
The history of science is full of great works that have marked a turning point in the development of a branch of knowledge, and in which the proposals for a new theoretical frame of reference or a new systematization of the known facts. Explain this argument thoroughly with example
Answer:
The cell theory
Explanation:
The modern cell theory states that 1-all living things are composed of cells, 2-all cells derive from pre-existing cells by cellular division, and 3-the cell is the structural and functional unit of all life forms. Many researchers contributed to the development and formulation of the modern cell theory. First, the invention of the optical microscope, followed by the improvement with lighting by Robert Hooke (1660) and observation of microscopic organisms by Antonie van Leeuwenhoek (1675) contributed to the observation of cellular structures that previously were unknown. Subsequently, the cell theory was proposed by Schleiden and Schwann (1839) who suggested that all life forms are composed of cells (the fundamental unit of life). Subsequently, the theory was expanded by Virchow (1855) who proposed that all cells arise from pre-existing cells. Thus, the modern cell theory is the result of the scientific work of many researchers that have contributed across centuries in order to collect a body of knowledge (both experimental and observational) that supports the statements resumed in this theory. Nowadays, it is impossible to conceive biology as a scientific discipline without making reference to the modern cell theory.
Science brings knowledge and explanation to everything that surrounds us, one of the most impactful theories is the evolution of species by Charles Darwin.
What does science bring to the world?Science allows humanity to understand a little more about nature, science is important in our life because it helps us to have a better quality of life, because through science many diseases have been eliminated. Science enables advances in health, food, energy and others.
Whit this information , we can conclude that Science brings knowledge and explanation to everything that surrounds us, one of the most impactful theories is the evolution of species by Charles Darwin.
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Mike is studying the phylogenetic tree for big cats.
A big cat phylogenetic tree is shown. A bracket goes to clouded leopard and to another bracket. That bracket goes to 2 additional brackets. One bracket goes to tiger and snow leopard. The other bracket goes to janguar and another bracket. The other bracket has lion and leopard.
He made several statements about the tree. Which statement is not true?
The leopard is more closely related to the jaguar than to the snow leopard.
The leopard is more closely related to the tiger than to the clouded leopard.
The leopard is more closely related to the snow leopard than to the clouded leopard.
The leopard is more closely related to the tiger than to the snow leopard.
Answer:
D
Explanation:
edg 2022
Which sequence of events would make a sedimentary rock?
1) uplift, weathering, and erosion
2) melting, solidification, and uplift
3) deposition, burial, and cementation
4) crystal growth, compaction, and melting
Answer:
3) deposition, burial and cementation
Deposition, burial and cementation
What is sedimentary rock?
Sedimentary rocks are formed from pre-existing rocks or pieces of once-living organisms. They form from deposits that accumulate on the Earth's surface.
How are sedimentary rock formed ?
Sedimentary rocks are formed from deposits of pre-existing rocks or pieces of once-living organism that accumulate on the Earth's surface. If sediment is buried deeply, it becomes compacted and cemented, forming sedimentary rock.
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TIME REMAINING
55:07
RE
Which level of organization includes all the other levels of organization?
O organ system
O organism
O tissue
O cell
Save and Exit
Next
Submit
Mark this and return
Answer:
organism
Explanation:
the reason is that all the levels organisation make up an ORGANISM
hermoglobin is a protein that binds to oxygen. it is only produced by red blood cells and it allows blood to transport oxygen throughout the body. what statement does this information best demonstrate?
Answer:
it is lungs as the answer because you are to lazy
A group of students prepared a table listing the types of reproduction that occur in
several organisms.
Organism
Type of Reproduction
Amoebas
Yeasts
Cats
Asexual reproduction
Both sexual and asexual reproduction
Sexual reproduction
Both sexual and asexual reproduction
Sexual reproduction
Both sexual and asexual reproduction
Hydras
Frogs
Ferns
Based on this information, which of the organisms can produce offspring that are
genetically identical to the parent organism?
A Ferns only
B Amoebas and yeasts only
C Cats, hydras, frogs, and ferns only
D Amoebas, yeasts, hydras, and ferns only
Based on this information, the organisms that can produce offspring that are genetically identical to the parent organism are ferns only. The correct option is A.
What is reproduction?The generation of descendants is reproduction. Asexual reproduction and sexual reproduction are the two main types. An organism that reproduces sexually incorporates the genetic material from both of its parents and is genetically distinct.
Asexual reproduction creates genetically identical kids by having one parent replicate itself. The generation of plants that we recognize as ferns or horsetails are sporophytes.
Typically, the summer is when the sporophyte releases its spores. For spores to germinate and develop into gametophytes, they need to land on a suitable surface, like a damp, protected place.
Therefore, the correct option is A. Ferns only.
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The branch shown below has FOUR individual leaves. Use the dichotomous key to identify the tree’s genus and species.
A.Albizia julibrissin
B.Cornus florida
C.Juglans nigra
D.Pinus taeda
Im giving brainlist
what system produces most of the hormones in the human body
The hormones created and released by the glands in your body's endocrine system control nearly all the processes in your body
hope i help you mark me brainlist
have a great summer
:)
Answer:
The endocrine system.
Explanation:
It's a group of glands that produce and secrete hormones that the body uses for a variety of purposes.
Hope this will help. Please give me brainliest.
Which organism in the food chain is impacted the most by Biomagnification
Why does sexual reproduction increase the genetic variation in a species
Answer:
Sexual reproduction provides genetic diversity because the sperm and egg that are produced contain different combinations of genes than the parent organisms. ... So in order to form a new organism, two gametes -- the sex cells, sperm and egg -- must fuse, further mixing the genes to produce more genetic diversity.
Where are blood type proteins located?
Answer:
Red blood cell antigens can be sugars or proteins
Blood group antigens are either sugars or proteins, and they are attached to various components in the red blood cell membrane.
how do you justify the statement"biologists have wide choice of career"?
Answer: Due to the fact that biologists have a wide range of topics to research
Explanation:
Succulents and cacti often have short, thick leaves with a waxy coat. What function does this structure serve?
A) retains water
B) the plant uses less energy to grow these short leaves and conserves energy
C) prevents water from evaporating off leaves
D)all of the above
Answer:
C) prevents water from evaporating off leaves
Explanation:
Succulents and cacti are a group of plants known as XEROPHYTES. These are plants that grow and survive in areas or conditions where there is lack of water e.g deserts.
However, these plants need to adapt to the low or no water condition and one of the ways they do this is by possessing short, thick leaves with a waxy coat. This enables them to preserve water that would have been lost via transpiration from the leaves.
Answer:
(c) prevent water from evaporating off leaves
Which of the following is NOT a type of map?
O A. An ordnance survey.
OB. A compass.
OC. A globe.
OD. A sketch of the street you live on.
Reset Selmotion
Answer:
A compass
Explanation:
A compass tells you which direction you are going whether that be North, East, South, or West. A map I'd a picture or drawing of a certain area.
Synovial joints have the greatest range of flexibility and motion.
Please select the best answer from the choices provided.
T
F
Answer: The answer is true
Answer:
true
Explanation:
true
How to avoid wastage of food?
Answer:
we can avoid wastage of food by throwing it to dustbin
Explanation:
"Done"
Some experts attribute the increase in ADHD diagnoses to an increased awareness of the disorder, while others attribute the increase to ______ diagnoses.
Answer:
incorrect
Explanation:
Attention-deficit/hyperactivity disorder (ADHD) is one of the most common neurodevelopmental disorders affecting children. ADHD is characterized by different behaviors that include one or more of the following symptoms: inattention (poor concentration), impulsivity (interrupting behavior) and hyperactivity (state abnormally active). It has been reported that DHD diagnoses in children between 4 and 17 years of age dramatically increased from 6 percent (6%) during the period 1997-1998 to 10 percent (10%) during the period 2015-2016. Although the causes of this increase have not been established, the American Psychiatric Association (APA) indicates that the increase might be due to the increased access of communities historically relegated to receive care and decreased stigma to be diagnosed with ADHD. Other possible causes range from chemical factors to unhealthy habits during pregnancy (e.g., smoking, substance abuse, poor nutrition). On the other hand, it has also been proposed that this increase may be as a result that ADHD is often misdiagnosed and confused with other conditions (e.g., bipolar disorder, autism, kids being kids, etc).
your friend says that humans have evolved from apes.
The table below shows the use of some energy production methods over time.
Type of energy Average energy used annually in the past (in million tons) Average energy used annually at present (in million tons) Average energy most likely to be used annually in the future (in million tons)
Oil 200 4000 300
Gas 100 2500 700
Coal 1000 2500 1500
Wind 0.1 50 2000
Hydropower 0.7 60 150
Tidal power 0.02 50 500
Based on the table, which of these statements best describes the impact of different methods of energy production on the environment in present times?
Wind energy may be altering all shorelines on Earth.
Hydropower may be altering all shorelines on Earth.
Tidal power may not be contributing significantly to climate change.
Coal energy may not be contributing significantly to climate change.(Not this)
Answer:
I think its hydropower
Explanation:
From what you know of tonicity, what can you say about the plant cells and the solutions in the test tubes
Answer:
Tonicity is the relative amount of solutes that is dissolved in solution which determine the direction and level of diffusion.
Explanation:
Tonicity is the relative amount of solutes that is dissolved in solution which determine the direction and level of diffusion. There are three types of tonicity i.e. hypertonic, hypotonic and isotonic solution. If a cell is placed in a hypertonic solution, water will leave the cell, and the cell will shrink due to more solute in the external environment. In an isotonic environment, there is no water movement occurs, so there is no change in the size of the cell. When a cell is placed in a hypotonic environment, water will enter the cell, and the cell will swell. due to lower amount of water present inside the cell.
which of the following is not possible consequence of surface meaning?
Lucas places 20 kg samples of each substance by the same heat source all samples are at the same initial temperature which sumvstance will have the greatest temperature after some period of time
Answer:
Metallic structure with black colour body.
Explanation:
The substance has metallic structure and black colour body will have greatest temperature among other substances because metallic structure and black colour of body heat up very quickly. Metals have free electrons which make it the best conductor of electricity and heat while on the other hand, black colour is a good absorbent which absorb heat very quickly so that's why we can say that metallic solids are the substance that have the greatest temperature.
Answer:
copper
Explanation:
it copper because it have less specific heat (j/kgoc)
EASY 50 POINTS!!!!!!!! PLEAAASEEE ANSWER AS SOO AS POSSIABLE
Answer:
1 is a
2 is c
3 is d
4 is e
5 is b
Answer:
A is Population. B Gene. C Species D Heterozygous. E Allele
List the quality control measures taken to ensure contamination does not occur during the Chelex extraction process (DNA extraction) and give reason
Answer and Explanation:
To promote a good DNA extraction through the Chelex extraction protocol, it is important to follow some measures, which are essential for the entire process to take place efficiently.
The most important measure is to avoid contamination. In this case, all surfaces, container and substances used must be properly sterilized, preventing unnecessary elements from coming into contact with the DNA sample or the protocol reagents.
It is important that the researcher is wearing clean, appropriate clothing and gloves when using this protocol. This avoids impurities and contamination with the researcher's DNA.
Another precaution must be taken with the DNA sample and the reagents that will be used during the extraction. All must be stored correctly, preventing their degradation, especially the DNA, which is a very unstable molecule.
Finally, the researcher must strictly follow all the steps of the protocol as indicated.
if 15% of the nucleotide in a DNA molecule contains guanine, what percentage of the nucleotides contain each of the other bases? Explain your answer. What scientist discovered this "rule"?
HELP!!! i will mark you as the brainliest asnwer!!!!!
match each symbol with its description.