Answer:
C Scientists will debate and seek confirmation through additional research prior to accepting the findings as fact.
Explanation:
When a biologist presents evidence of evolution in two of four bird species living in a South American rainforest, it is likely that other scientists will engage in a critical evaluation of the data and conclusions.
What is the importance of evidence?Scientists may ask questions about the methods used to collect and analyze the data, and may also examine the data themselves to determine the validity of the conclusions. They may also compare the data with other studies and consider alternative explanations for the observed changes in the two species.
Ultimately, the goal of this process is to determine whether the evidence supports the conclusions about evolution in the two bird species. If the evidence is found to be sound and the conclusions are supported, the findings may be published in a scientific journal and become part of the scientific literature. However, if the evidence is not robust or the conclusions are not supported, the findings may be revised or rejected.
In conclusion, the presentation of the findings is likely to lead to a critical evaluation and scientific discussion among other biologists, which can help to establish the validity of the evidence and conclusions about evolution in the two bird species.
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Select the correct answer.
Lily feels tired and weak in the evenings after work. Before starting her chores, she eats dinner. Which characteristic of life does Lily exhibit?
A.
growth
B.
need for energy
C.
organization
D.
regulation
Describe what happens when cells divide uncontrollably?
Question 4(Multiple Choice Worth 4 points)
(05.01 LC)
Which process turns glucose into energy?
O Breathing
O Cell division
O Cellular respiration
Photosynthesisch
Please help ASAP
Answer:
cellular respiration
Explanation:
it involves the chemical activities of the cell in which glucose is broken down by a series of reaction controlled by the enzymes to release energy
Answer:
The answer is C
Explanation:
The answer is C because the process of cellular respiration, the energy in food is converted into energy that can be used by the body's cells. During cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is transferred to ATP.
D. Explain the relationship between the pulse recorded in the finger and heart muscle contraction ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ E. Which components of the cardiac cycle (atrial systole and diastole, ventricular systole and diastole) are discernible in the pulse tracing? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Answer:
D. Heart contraction and pulse are connected with one another.
E. Atrial diastole and ventricle diastole.
Explanation:
Heart construction and pulse of an individual are connected as one can hear the pulse every time contraction of the heart is completed. Pulse can be understood by this that it represents the number of the contractions is completed by heart each time.
In the pulse tracing, there are two parts of the heart that are discernible which represents the contraction of the heart that are Atrial diastole and ventricle diastole.
The relationship between the pulse recorded in the finger and heart muscle contraction is that both are connected to each other. But, the analysis and processes are different from one another.
What is Muscle Contraction?
A process leading to shortening and/or development of tension in muscle tissues that means the thin filaments slide over the thick filaments and tension is generated between one another is called Muscle contraction.
The pulse recorded in the finger is a signal for flowing the blood throughout the body, while the process of heart muscle contraction signals for electrical conductivity. Both the functions are connected with each other and acquired by cardiac activities.
The components of the cardiac cycle that are discernible in the pulse tracing are Ventricular systole (contraction) and ventricular diastole (relaxation).
Therefore, both the pulse recorded in the finger and heart muscle contraction interconnected with one another and acquired by cardiac activity.
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The
secretes special enzymes that help the stomach digest fats.
Answer:
The pancreas gland lies just beneath the stomach.
Explanation:
It produces a host of digestive enzymes, including lipases, which are essential in fat digestion. The pancreas also secretes bicarbonate ions, which help to neutralize the pH of the chyme entering from the stomach.
A genetic engineer wants to isolate a gene from a scorpion that encodes the deadly toxin found in its stinger, with the ultimate purpose of transferring this gene to bacteria and producing the toxin for use as a commercial pesticide. Isolating the gene requires a DNA library. Should the genetic engineer create a genomic library or a cDNA library
Answer:
The correct answer is - Yes, the genetic engineer should create a genomic library or a cDNA library.
Explanation:
mRNA isolated from the toxin extracted from the venom gland of the scorpion to create a cDNA library. The cDNA sequence is reverse transcribed by the mRNA that lacks the introns as prokaryotic organisms such as bacteria cannot splice introns.
If the engineer wants to express the toxin in bacteria then he required a cDNA sequence as a genomic clone can not use to clone for making proteins. mRNA should be isolated from the venom gland so it can synthesize cDNA library enriched with toxin protein sequence.
Which of the following do plants use for energy?
Answer:
phhotosyntesis
Explanation:
Jill has quite a menagerie of pets and she regularly has to deal with minor animal injuries. So when Johnnie, her rooster, spikes Jessie, her collie, on the muzzle with one of his long leg spurs, Jill knows what to do. She reaches for the hydrogen peroxide and thoroughly floods Jessie's puncture wound with the liquid. Jill observes, as always, that the hydrogen peroxide causes heavy fizzing at the site of the wound. She repeats the procedure several times a day over the next week, carefully inspecting the wound for signs of infection. The injury heals without complications and Jessie has a new respect for roosters.
a) What is hydrogen peroxide and how does it help to reduce the infection?
b) Why is hydrogen peroxide especially useful for treating puncture wounds?
c) What causes the fizzing associated with hydrogen peroxide use?
Answer:
a.) Hydrogen peroxide are highly reactive oxygen compounds used as an antiseptic
b.) Used in treating punctured wounds due to the nature of the wound which helps microorganisms to thrive.
c.) Fizzing associated with hydrogen peroxide use is due to presence of the enzyme catalase.
Explanation:
Hydrogen peroxide is a chemical compound which is made up of two hydrogen atoms and two oxygen atoms. It is powerful oxidizing agent which takes part in biological reactions. This is possible as it can remove electrons from other biological molecules which can damage other cellular components. It is used an an antiseptic to reduce infection because, being a powerful oxidizing agent, it has the ability to react with cell wall of these microorganisms through removal of electrons thereby causing damage to it.
Punctured wounds are narrow in structure which allows obligate anaerobic organisms to thrive because of reduced oxygen flow in the wound. Hydrogen peroxide can effectively eliminate these organisms which are most likely to cause infection in that site because they lack the enzyme called catalase.
Catalase is an enzyme which is present in living cells except obligate anaerobic organisms. It converts hydrogen peroxide into water and oxygen. The fizzing noticed by Jill while cleaning the wound with hydrogen peroxide is due to the catalase in Jill's own cells which converts the hydrogen peroxide to water and oxygen. When oxygen is given off, fizzing reactions are seen at the surface of the wound.
Select the correct answer.
Who do we consider to be the founder of genetics?
Answer:
C: Gregor Mandel
Darwin and Wallace both observed greater species richness in the tropics than in Europe, but neither of them had a good explanation for why. One of the best-supported modern-day hypotheses to explain this pattern is that mutation rates are higher in the tropics than in temperate latitudes. Why would higher mutation rates lead to greater species richness
Answer:
Mutation shows the species energy relationships, tropics are more rich with energy as compared to the temperate europe.
Explanation:
The rate of species evolution is defined by the type of environment or the natural surroundings it lives in. Mutations Can affect organisms by making changes in their physical characteristics. Such can impact their DNA code and may even lead to death in many. The richness of species in the tropics is due to the more warmer and humid climates. They are suited to the development and germination of certain bacterias and have certain climatic phenomena.Please someone help me ASAP please
Answer:
a. Translocation
Explanation:
Translocation is a type of chromosomal abnormality in which a chromosome breaks and a portion of it reattaches to a different chromosome.
Which has been justified in the picture.
PLEASE HELP ASAP!!!
What is one example of an index fossil?
1. a rock
2. a tooth
3. a trilobite
4. a meteor
Answer: #1. A Rock
Definition: A fossil that is useful for dating and correlating the strata in which it is found.
Note: Hope this helps answer is from Acceleration Education / Buzz.
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What is this organelle?
Answer:
It's the mitochondria
Explanation:
The mitochondria is the powerhouse of the cell.
Do AIDS transfer by saliva and sweat??????
It can only be transmitted when certain fluids from an HIV-positive person move directly into the bloodstream or through mucous membranes of an HIV-negative person. Tears, saliva, sweat, and casual skin-to-skin contact can't transmit HIV.
Help plis..............
Answer:
the answer has to be C
hope this helps!
Some cells live for years, while others live for only a few days. Why do some cells get replaced faster than others?
Answer:
Some cells don't divide and last you a life time such as many of those in the central nervous system other cells such as stems called cell populations have their telemeres repeatedly extended by the enzyme telomerase other cells are never replaced and live as long as we do .
I hope this answer might help u
Explain how meiosis results in UNIQUE cells.
Meiosis is a reduction division in which the number of chromosomes in the parent cells is halved to the daughter cells.
Meiosis is the process such as:
Meiosis occurs in the reproductive cells of humans. Meiosis transmits genetic information from parent to offspring. Meiosis is the characteristic feature of sexual reproduction. The male and female gamete fuse to give rise to a newly formed combination of the daughter cells.Meiosis results in the recombination of male and female gametes, which results in the independent assortment of the genes.
Thus, meiosis always results in new variations and creates genetic diversity.
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What purpose of transportation? Where does it happen the cell
Answer:
Explanation: How do things move across a cell membrane?
Summary. Controlling the movement of things in and out of the cell is an important role of the plasma membrane. ... Osmosis is the diffusion of water molecules across a membrane. Water moves in or out of a cell by osmosis until its concentration is the same on both sides of the plasma membrane.
Most of the oxygen in the atmosphere is made by algae. Where do most of the algae live?
coastal ocean
deep ocean
ponds
lakes
Most of the oxygen in the atmosphere is made by algae, with coastal oceans housing the majority of algae. Hence the correct option is A.
What is Algae?Algae is defined as a member of a group of primarily aquatic photosynthetic organisms of the Protista kingdom. Algae is described as floating green matter on the surface of a pond, lake, river, still water, moist soil, stones that grow on wet surfaces. Therefore, they can synthesize their own food. They are found in water or in very moist places.
Algae play many important and beneficial roles in freshwater environments producing oxygen and consuming carbon dioxide that act as the base of the aquatic food chain, removing nutrients and pollutants from the water and stabilize sediments. Most of the oxygen in the atmosphere is made by algae, with coastal oceans housing the majority of algae.
Hence the correct option is A.
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A dog pants in the heat to control its body temperature. Panting is a mechanism of?
Answer:
A dog pants in the heat to control its body temperature. Panting is a mechanism of homeostasis that dogs use for regulation .
which lymphoid organs atrophies with age???????
a)Peyer patches
b)Thymus
c)Bone marrow
d)Spleen
answer plz (╯︵╰,)
A dwarf planet flies towards the sun and orbits it. As it does, it burns up leaving a trail of gas and vapor in a form of 2 tails,
O True
O False
Groundwater is an important source of drinking water especially in Florida. What is the underground reservoir where water is found?
does anyone know how to do this?
Describe how air pollution can lead to water pollution.
Answer:Atmospheric deposition is the pollution of water caused by air pollution. In the atmosphere, water particles mix with carbon dioxide sulphur dioxide and nitrogen oxides, this forms a weak acid. ... When acid rain pollutes marine habitats such as rivers and lakes, aquatic life is harmed.
Explanation:
In cellular respiration, the energy for most ATP synthesis is supplied by:
A. High energy phosphate bonds in organic molecules
B. A proton gradient across a membrane
C. Converting oxygen to atp
D. Transferring electrons from organic molecules to pyruvate
E. Generating carbon dioxide and oxygen in the electron transport chain
Answer:
B. A proton gradient across a membrane.
Explanation:
Cellular respiration can be defined as a series of metabolic reactions that typically occur in cells so as to produce energy in the form of adenosine triphosphate (ATP). During cellular respiration, high energy intermediates are created that can then be oxidized to make adenosine triphosphate (ATP). Therefore, the intermediary products are produced at the glycolysis and citric acid cycle stage.
Additionally, mitochondria provides all the energy required in the cell by transforming energy forms through series of chemical reactions; breaking down of glucose into Adenosine Triphosphate (ATP) used for providing energy for cellular activities in the body of living organisms.
Basically, oxygen goes into the body of a living organism such as plants, humans and animals when they breathe while glucose is absorbed by the body when they eat.
In cellular respiration, the energy for most ATP synthesis is supplied by proton gradient across a membrane.
This ultimately implies that, most adenosine triphosphate (ATP) is formed due to the net movement of protons against a concentration gradient in the electron transport chain.
The body functions best with a particular set of conditions: an ideal body temperature, blood pressure, blood sugar level, and many other ideal conditions. Which of the following is NOT true regarding homeostasis?
Answer:
what are the answer chocices
Explanation:
Explanation:
where is the answer choice??
What is the complementary DNA strand from the following DNA
template:
GGTACTAGCCATATCG
A- CCATGATCGGTATAGC
B- OTTATGATCGGTATAGC
C- CCAUGAUCGGUAUAG
D- OGGTACTAGCCATATCG
Answer:
The third one
Explanation:
Hey There!
Just so you know when you try to find the complementary base strand you put the letter of the nucleotide that it pairs with
Guanine pairs with Cytosine
Thymine Pairs with Adenine
Adenine Pairs with Uracil
Cytosine Pairs with Guanine
If you have anymore questions feel free to ask :)
The drug chloral hydrate prevents elongation of microtubules. During which stage of the cell cycle would chloral hydrate be most
harmful?
Multiple Choice
M phase
G1
G2
S phase
cytokinesis
Answer: G1 phase
Explanation:
Hope this helps!
Imagine that you are trapped within the exclusion zone. As you hike your way out, you begin to feel hungry. Using what you know about biomagnification, which food source would be the
safest? Explain how you know.
a. Mushrooms, fruit, and berries
b. Moose or deer meat.
C. Wolf meat.
d. Eagle meat.
The food sources that would be the safest are mushrooms, fruit, and berries.
What do you mean by Biomagnification?Biomagnification may be defined as the process by which a compound such as toxins, pollutants, etc. increases its concentration in the tissues of organisms as it travels up the food chain.
Mushrooms, fruit, and berries are present at the lowest level of the trophic level because they are autotrophs. Due to their position, they contain the lowest amount of toxins in them, and hence are more safest.
Therefore, the food sources that would be the safest are mushrooms, fruit, and berries.
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