Answer:
Reptiles are vertebrates. They have backbones.Their bodies are completely covered with scales.They are cold-blooded.Reptiles produce shelled eggsAll species fertilize eggs internally.All species of reptiles have at least one lungAnswer:
Some of the characteristics of reptiles are :-
Reptiles are cold-blooded.They have dry skin covered with scales, without any glands.They are vertebrates with their body divided into head,neck, trunk and tail.They respire through lungs.Most of them lay eggs.What process adds carbon dioxide to the air
teven cycle
water evele
respation
photosynthesis
Answer:
Respation
Explanation:
Though it is spelled respiration.
Where does absorption of ALL the small molecules such as glucose and amino acids occur?
Answer:
The absorption process also occurs in the small intestine. Food has been broken down into particles small enough to pass into the small intestine. Sugars and amino acids go into the bloodstream via capillaries in each villus.
Explanation:
At what position in the amplicon is there a difference specifically between the taster and non- taster alleles ? What is that change?
There is a specific position within the amplicon where a difference exists between the taster and non-taster alleles. The nature of this change will be explained in the subsequent paragraph.
Without specific information about the amplicon or the specific taster/non-taster alleles in question, it is not possible to provide an exact position or change. The difference between taster and non-taster alleles could be due to a single nucleotide polymorphism (SNP) or a variation in the length of a repeat sequence. To determine the specific position and change, the DNA sequence of both alleles would need to be compared. This comparison would involve identifying any differences in nucleotide sequence, such as substitutions, insertions, or deletions, at specific positions within the amplicon.
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What are some skills that scientists must have to be successful?
Answer:
they have to be smart
Explanation:
...........
Answer:
They need to be creative, logical, analytical, and good at communication.
Explanation:
hope this helps!
In response to a decrease in tissue metabolic activity, tissue oxygen concentrations ________, which causes a(n) ________. In response to a decrease in tissue metabolic activity, tissue oxygen concentrations ________, which causes a(n) ________. increase : active hyperemic response decrease : dilation of the arterioles decrease : increase in tissue ischemia decrease : active hyperemic response increase : constriction of the arterioles
Answer:
The correct answer is - increase: constriction of the arterioles.
Explanation:
When the physical activity is decreased by the tissues of the muscle, the oxygen concentration in the tissue increases which leads to the constriction of the arterioles.
It takes place in order to decrease blood flow and blood pressure as oxygen requirement is less in the tissue in decreased physical metabolic activity. The constriction of arterioles results in more resistance to decrease the blood flow in capillaries.
Which substance is a compound?
water
gold
oxygen
hydrogen
ITS WATER I SWEAR
H20 has multiple elements in it so its a compound the others are just single elements
PLEASE giv brainliest
Which of the following is an example of a phenotype (select all that apply)?
Group of answer choices
Brown Hair
GG
RR'
Physical trait
Answer:
brown hair and physical trait
An example of phenotypes are brown hair and physical trait. Therefore, option A and D are correct.
What is phenotype ?A set of an organism's observable qualities or characteristics is known as its phenotype. The phrase refers to an organism's morphology, or its physical form and structure, as well as its physiological and biochemical characteristics, behavior, and the outcomes of that behavior.
We examine the alleles of the parent organisms and predict how frequently the offspring will exhibit those genes to determine a phenotypic ratio. Most of the time, we are aware of the alleles' expression and appearance.
An observable characteristic is simply referred to as a "phenotype." Pheno, which has the same root as the term "phenomenon," simply means "observe." It can therefore relate to anything from a common characteristic, like height or hair color, to a visible type of organism.
Thus, option D is correct.
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Which best describes a method of obtaining energy that may cause changes in water temperature and harm to fish populations?
How does the large intestine help the body excrete wastes?
It reabsorbs water from filtrate.
It forms urine.
It removes urea from the body.
It processes undigested food into feces.
Answer:
It processes undigested food into feces.
Explanation:
Answer:
D. It processes undigested food into feces.
Explanation:
Correct on EDGE 2021!
what is the correct answer?
Answer:
Purple. Phenotype=visual characteristics
Complete the sequences below: A T G C T A A C C T G C
DNA sequence: ______
mRNA sequence: ______
Amino Acids: ______
Answer:
DNA: A = T and T = A. C = G and G = C
T A C G A T T G G A C G
mRNA: A = T and T = U . C = G and G = C
T U C G U T T G G U C G
Amino Acids:
A = Adenine
T = Thymine
G = Guanine
C = Cytosine
U = Uracil
Pls help, due today, would be really appreciated.
for some reason I can't submit my typed answer but here's the screenshot
During one year, seven coyotes in a population die. Eight immigrate into the population, but none emigrate. If the overall population growth is 13 coyotes, what was the birth rate of coyotes during the year? Use this formula: population growth = (birth rate + immigration) – (death rate + emigration) 7 11 12 15
Answer:
Death rate= 7 coyotes
Immigration= 8
Emigration= 0
Population growth= 13
Let’s suppose that the birth rate for the given population is x.
Population growth = (birth rate+immigration) - (death rate+emigration)
13=(x+8)-(7+0)
13=x+1
Move the variable to the left side and change its sign.
-x+13=1
Move the constant to the right side and change its sign
-x=1-13
-x=-12
x=12
Answer: x=12
Explanation:
edge2021
Answer:
Death rate= 7 coyotes
Immigration= 8
Emigration= 0
Population growth= 13
Let’s suppose that the birth rate for the given population is x.
Population growth = (birth rate+immigration) - (death rate+emigration)
13=(x+8)-(7+0)
13=x+1
Move the variable to the left side and change its sign.
-x+13=1
Move the constant to the right side and change its sign
-x=1-13
-x=-12
x=12
Answer: x=12
Explanation:
edge 2021
How does E. Coli disrupt homeostasis
 Female peacocks typically chose to mate with males who have the most brightly colored feathers. This is an example of
A- shrinking population
B - Mate Choice
C- Mutations
D- gene flow
E- natural selection
Answer:
its B or E
Explanation:
normal skin microbiota are able to grow on the skin because they can thrive in the presence of
Normal skin microbiota are able to grow on the skin because they can thrive in the presence of appropriate pH, temperature, moisture, and nutrients.
Normal skin microbiota are able to grow on the skin because they can thrive in the presence of appropriate pH, temperature, moisture, and nutrients. They are referred to as commensals because they form a mutually beneficial relationship with the host. When it comes to the human skin, the skin microbiota is diverse and distinct between different body regions. These microbiota are considered an important component of skin health and play a crucial role in protecting the skin from invading pathogens. In addition, the skin microbiota also helps to maintain the skin’s barrier function and homeostasis by producing antimicrobial substances that can inhibit the growth of harmful microorganisms and support the growth of beneficial bacteria. In summary, the growth of normal skin microbiota is supported by a variety of factors that create an environment conducive to their survival and proliferation.
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Cytochrome C is a protein that functions in cellular respiration as part of the electron transport chain. It is frequently used to determine evolutionary relationships between different organisms because it is highly conserved (only differs slightly) between different organisms. A student researching evolutionary relationships between different organisms came across the following information about the differences between cytochrome C proteins in different organisms when compared to humans. Number of different amino acids compared to humansChimpanzee0Rhesus Monkey1Cow10Yeast42 The student plans to use an antibody to the human cytochrome C protein in an ELISA test on cytochrome C samples from these four organisms. What should she use as a positive control
Answer:
Human cytochrome C
Explanation:
The enzyme-linked immunosorbent assay (ELISA) is a technique widely used to detect and measure antibodies and antigens in biological samples. This technique can be used to diagnose different diseases by detecting antigens that bind to antibodies. The ELISA test consists of a plate with a capture antibody against the antigen of interest coating the plate. Subsequently, the target antigen is detected by adding a detection antibody labeled with an enzyme (e.g., alkaline phosphatase) that binds to this antigen. Finally, a particular substrate (e.g. ABTS) is added to the plate and the subsequent reaction converts it into a colored product which can be easily detected using microplate readers. In this case, the positive control will be human cytochrome C which will bind to specific antigens in order to evidence the presence of this molecule in the sample.
plzzzz help
Commensalism is a symbiotic relationship in which one organism benefits and the other organism neither benefits nor is harmed.
Mutualism is a symbiotic relationship in which both organisms benefit.
Parasitism is a symbiotic relationship in which one organism benefits and the other organism is harmed.
Predation is a relationship in which one organism preys on (and eats) another organism.
Competition is relationship in which two organisms must fight (directly or indirectly) for resource
Objective:
Given a description of the relationship between two organisms, determine if their relationship is competition, commensalism, predation, mutualism, or parasitism.
1. Polar Bear and Seal: A polar bear hunts and captures the seal for its food. _______________________________
2. Lice and Humans: Lice attach to human hair and enjoy the warmth given off by the human. They eat tiny amounts of human blood, causing the human to have little red bumps that are quite itchy. They may also transmit disease to the human. _______________________________
3. Male lions: Adult male lions will fight each other for control over a pride and mating rights. _______________________________
4. Goby Fish and Sea Urchins: The goby fish live amongst the sea urchins and are provided protection from their predators. _______________________________
5. Wolf and Caribou: The wolf hunts and kills the caribou for its food. _______________________________
6. Bats and White-Nose Fungus: The fungus grows over the bat’s face during hibernation which can kill the bat or cause it to wake up from hibernation early and starve. ____________________________________
7. Hermit Crabs and Snails: Hermit crabs live in abandoned shells made by snails. _______________________________
8. Boxer Crab and Anemone: The boxer crab carries a pair of small anemones in its claws. When a predator approaches, it waves the anemones around which present its stinging tentacles and deters the predator. The anemones get small particles of food from the crab when it eats. _______________________________
9. Bear and Salmon: The bear catches salmon in the river and eats it for food. _______________________________
10. Grass and Oak Trees: Oak trees grow tall and put their branches out wide to collect sunlight. This shades the grass growing underneath from getting sunlight. _______________________________
11. Mycorrhizal Fungi and Plants: The mycorrhizal fungus grows into the roots of some plants and gets nutrients from the plant. The fungus helps the plant absorb inorganic nitrogen and phosphorus from the soil. Some fungi also secrete antibiotics, which can help protect the plant from parasitic fungi and bacteria. _______________________________
12. Bison and Cowbird: As bison walk through the grass, it kicks up insects like grasshoppers. These are seen and eaten by the cowbird. _______________________________
13. Mistletoe and Oak Tree: Mistletoe extracts water and nutrients from the oak tree, causing harm to the oak tree. _______________________________
14. Frog and Insect: The frog uses its long, sticky tongue to catch insects for food. _______________________________
15. Tapeworm and Dog: The tapeworm enters the dog when the dog eats feces containing tapeworm larvae. The tapeworm attaches to the dog’s stomach and feeds off of the dog’s nutrients. This often causes harm to the dog. _______________________________
Answer:
1. predation
2. parasitism
3. competition
4. commensalism
5. predation
6. parasitism
7. commensalsim
8. mutualism
9. predation
10. mutualism
11. mutualism
12. mutualism
13. parasitism
14. predation
15. parasitism
hope I helped!:)
Answer:
Oi felix~~
Explanation:
why is sexual reproduction a necessity for sharks
Answer:
cause they can't asexually reproduce
Explanation:
a shark has to reproduce and is too big of an organism to use asexual reproduction, so there's only one left
Which of the following sentences is the best example of formal language?
A. I've gotten totally into theater lately, but opera is too much for me; I
don't know why.
B. When I see one of my acting idols on the screen, I'm like wow,
how'd he do that?
C. I wanted to ask if you wanna come to this thing I'm in on Saturday
night?
D. I would like to extend to you an invitation to my recital, which takes
place this weekend.
SUBMIT
Answer:
b
Explanation:
......am like wow can be used to someone u are used to
Answer:
The answer is D
Explanation:
just did the test :)
Many of the cell's hydrolytic enzymes are located in the lysosome, where the pH is ~5. a) What would you expect to be the optimum pH for these enzymes? b) Explain why this specific pH optimum would have a protective effect on the rest of the cell. c) Explain how this principle can be used to regulate enzyme activity in vitro.
a) Optimum pH for lysosomes hydrolytic enzymes is approximately 5.
b) pH 5 in lysosomes protects the rest of the cell by limiting enzyme activity outside the lysosome.
c) In vitro, enzyme activity can be regulated by adjusting pH, providing control over enzymatic reactions.
a) The optimum pH for hydrolytic enzymes in the lysosome would be around 5, as they are adapted to function effectively in this acidic environment.
b) The specific pH optimum of 5 in lysosomes helps protect the rest of the cell because it creates a barrier that prevents the enzymes from functioning optimally outside the lysosome, reducing the risk of uncontrolled hydrolytic activity that could damage cellular components.
c) In vitro, enzyme activity can be regulated by adjusting the pH of the surrounding solution. By setting the pH to the optimum level of the specific enzyme, its activity can be enhanced or inhibited, allowing precise control over the enzymatic reactions for experimental or therapeutic purposes.
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Select three ways the United States could use resources more sustainably.
A. using non-renewable energy sources
B. increasing access to technologies
C. using clean and renewable energy sources
D. decreasing overconsumption
E. increasing overconsumption
F. decreasing access to technologies
Answer:
IT IS B
Explanation:
DNA double helix. Hydrogen bonds break and helix opens. Each strand of DNA acts as a template for synthesis of a new, complementary strand. Replication produces two identical DNA double helices, each with one new and one old strand.
Answer:
The process described above is known as DNA replication.
Hope this helps you! Have an amazing day!
Natural selection leads to adaptations to __________ in an organism's environment. View Available Hint(s) Hint 1.opened hint Consider the features of the environment that affect organisms' existence. Natural selection leads to adaptations to __________ in an organism's environment. nonliving factors such as temperature and chemicals other living organisms abiotic and biotic factors water for aquatic organisms and the atmosphere for terrestrial organisms
Answer:
abiotic and biotic factors
Explanation:
According to the evolutionary theory proposed by Darwin, natural selection can be defined as the mechanism by which evolution occurs (i.e., the mechanism by which species change over time). An organism´s environment is comprised of abiotic (e.g., temperature, light, water, etc) and biotic (e.g., microbes, food availability, etc) factors. Adaptations refer to the phenotypic traits that increase the chance of survival and reproduction of an organism in its environment. Organisms better adapted to their environment are selected by natural selection to reproduce and thus perpetuate their genes across generations.
This is currently assigned to you. Try some challenge questions to turn in this assignment
= Steroid
Hormone
Diffusion: Getting Stuff into your
Cells!
= H20 = glucose
Key
= Na
Extracellular Space
Several types of molecules are sitting outside your cell. Only some
of them can diffuse into your cell without help.
• Use the red or orange points to drag each substance through
the cell membrane to find out which ones can and can't enter
• What is unique about the molecules that can enter the cell?
OOOOOOOOOOOOOOOOOOOO
CHALLENGE ME
Intracellular Space
Learn More
Answer:
What is the name of this website
or the book?
If yellow skin (Y) exhibits incomplete dominance with red skin (y), what color of skin would result from the genotype Yy?
Answer:
Orange skin
Explanation:
Incomplete dominance with the genotype Yy results in a combination of the dominant and recessive traits. In this case the combination of yellow and red skin would be orange skin.
When you were born you were 22 inches long now you were about 60+ inches long how do you account for this 40+ inches of growth?
Provide two reasons why it is important to isolate undigested plant cells.
I need this asap
Answer:
It helps to support growth and helps producing energy to do vital functions.
Hope this helps!
A reliable DNA analysis is based on the DNA conditions. The importance of using undigested cells is that DNA is well-preserved, not affected by external factors, and can be used to compare it to database sequences.
------------------------------------------
Dr. Pringle studies niche partitioning and competition reduction among coexistent species in Africa.
He is interested in knowing the exact source of food of different herbivorous species. To do so, he is using the technique of DNA metabarcoding.
He collects fresh animals' dung and gets the indigested plant cells.
DNA is isolated, sequenced, and compared with the DNI of known species, which are a potential source of food for these animals.
Once he matches the cells' DNA with the corresponding plant species from the database, he can use this information to detail the animal's source of food.
The importance of getting fresh, undigested cells from the dung, is that
The animal's digestive enzymes have not broken the cell walls and digested the cell content. The dung environmental conditions such as pH, temperature, or microbiota have not affected the cell's DNA. Undigested cells' DNA is well-preserved and can be used to compare it with the plant species database.------------------------------------------------------
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Prokaryotic cells do not have a distinct nucleus and are missing other organelles. This is a characteristic of which domains?
Help me!!!!!
Answer: Eukaryotes
Explanation:
Eukaryotes have membrane bound organelles like nuclei. Arcahea and Prokaryotes don't have memrbane bound organelles
You measure the initial rate of an enzyme reaction as a function of substrate concentration in the presence and absence of an inhibitor. The following data are obtained: a) What is the V_max in the absence of inhibitor? b) What is the K_m in the absence of inhibitor? c) When [S] = 0.0004, what will V_0 be in the absence of inhibitor? d) When [S] = 0.0004, what will V_0 be in the presence of inhibitor? e) What kind of inhibitor is it likely to be?
a)[tex]V_{max[/tex] in the absence of inhibitor cannot be determined without the specific data.
b) [tex]K_m[/tex] in the absence of inhibitor cannot be determined without the specific data.
c)[tex]V_0[/tex] in the absence of inhibitor at [S] = 0.0004 cannot be determined without the specific data.
d) [tex]V_0[/tex] in the presence of inhibitor at [S] = 0.0004 cannot be determined without the specific data.
e) The type of inhibitor cannot be determined without the specific data and further analysis.
The [tex]V_{max[/tex] and [tex]K_m[/tex] values, as well as the impact of the inhibitor, not set in stone through examination of the information utilizing compound energy conditions.
[tex]V_{max[/tex] addresses the most extreme speed of the compound response, which is accomplished when the chemical is soaked with substrate. It tends not set in stone by finding the most elevated starting rate saw without the inhibitor.
[tex]K_m[/tex] addresses the substrate focus at which the compound response rate is half of the most extreme speed. It very well not entirely settled by distinguishing the substrate focus at which the underlying rate is half of the [tex]V_{max[/tex].
To work out the particular qualities for [tex]V_0[/tex] (introductory rate) at a given substrate focus ([S]), the catalyst energy condition (e.g., Michaelis-Menten condition) can be utilized.
The idea of the inhibitor (e.g., cutthroat, non-serious, uncompetitive) can be resolved in view of its impact on the [tex]V_{max[/tex] and [tex]K_m[/tex] values. A cutthroat inhibitor normally expands the clear [tex]K_m[/tex] esteem, while a non-serious or uncompetitive inhibitor influences the [tex]V_{max[/tex] without essentially modifying the [tex]K_m[/tex] esteem.
Without the particular information, giving exact responses to the questions is absurd.
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