Answer:
Cannot understand
Which group makes up the largest level of a trophic level pyramid?
-Producers
- Carnivores
-Omnivores
-Decomposers
what are the two supporting evidence of seafloor spreading theory?
Answer: Several types of evidence supported Hess's theory of sea-floor spreading: eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves. This evidence led scientists to look again at Wegener's hypothesis of continental drift.
Explanation:
Which of the following types of particles found in an atom has no charge?
A. electron
B. nucleus
C. neutron
D. proton
Answer:
Neutron
Explanation:
Neutrons are uncharged particles found within all atomic nuclei.
What two variables must you know in order to
calculate the average speed of a moving object?
А
direction and time traveled
B
total time and total distance
C
slowest speed and fastest speed
D
fastest speed and total distance
B. total time and total distance
Which of the following actions will provide a negative control for the investigation?
Repeating the experiment at 25°C
Repeating the experiment at 25°C
Repeating the experiment using twice the amount of hydrogen peroxide
Repeating the experiment using twice the amount of hydrogen peroxide
Repeating the experiment using twice the amount of peroxidase
Repeating the experiment using twice the amount of peroxidase
The question is incomplete, the complete question is;
Researchers investigated the influence of environmental pH on the activity of peroxidase, an enzyme that catalyzes the conversion of hydrogen peroxide to water and oxygen gas. In an experiment, the researchers added a hydrogen peroxide solution containing guaiacol to several identical test tubes and adjusted the solution in each test tube to a different pH. The researchers included the guaiacol because it caused the solutions to change color as the reactions proceeded, which the researchers relied on for measuring reaction rates. Finally, the researchers added the same amount of peroxidase to each test tube and measured the rate of each reaction at 23°C. The results of the experiment are represented in Figure 1.
Figure 1. The effect of pH on peroxidase activity
Which of the following actions will provide a negative control for the investigation?
A
Repeating the experiment at 25°C
B
Repeating the experiment using twice the amount of hydrogen peroxide
C
Repeating the experiment using twice the amount of peroxidase
D
Repeating the experiment using heat-denatured peroxidase
Answer:
D
Repeating the experiment using heat-denatured peroxidase
Explanation:
A Negative control is a situation in which a particular reagent added to an experimental set up just as all the other samples is not expected to effect any change in the responding variable.
In this case the independent variable is the pH of the solution while the responding variable is the activity of peroxidase enzyme.
A denatured enzyme is not expected to have any effect on the responding variable. Hence, this is a negative control.
The action that will give a negative control for the investigation is D. Repeating the experiment using heated-denatured peroxide.
A negative control simply means the situation where a reagent that is added to an experimental set up is not expected to have an impact on the responding variable.
It should be noted that repeating the experiment at 25°C will not lead to a negative control for the investigation. On the other hand, the repetition of the experiment using heated-denatured peroxide will lead to a negative control as the responding variable isn't affected.
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A girl is born with hemophilia. Her dad also has hemophilia, but her mother does not.
What genetic explanation can you provide as to why the girl
suffers from hemophilia?
answer:
So daughters get 2 X chromosomes from the mom and dad and if the dad has hemophilia the daughter would get it too and sons would not get because they get Y chromosome from their dad and hemophilia is found in the X chromosome because the X chromosome is the one that has the instructions for making the clotting factor proteins.
Explanation:
A father who has hemophilia has the gene and passes it on to his daughter because daughters get two X chromosomes, one from their mother and the other from their father. This is why daughters of men with hemophilia are called obligate carriers. Since sons only receive a Y chromosome from their father, they would not have inherited hemophilia.
Hope this make sense!
C2H5OH
How many elements are there in a molecule of
Ethanol shown in the above formula?
Answer:
9 elements
Explanation:
there are 2 C
6 H
1 O
How does our lung's architecture ensure that very little oxygen is wasted?
Answer:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
Explanation:
Hope This Helps.
Please Help!!! Which two body systems are most affected when a person is participating in a long jump?
A. endocrine and digestive
B. endocrine and muscular
C. skeletal and digestive
D. skeletal and muscular
The two-body systems that are most affected when a person is participating in a long-jump are skeletal and muscular (Option D).
The muscular system is composed of three different types of muscles: smooth muscle, cardiac muscle and skeletal muscle.The skeletal muscles are muscles responsible for controlling voluntary movements (e.g., jump) and they are attached to the skeleton by a type of connective tissue known as tendon.The skeletal system is composed of all bones of the body and they are responsible to provide support and protection to the internal organs.In conclusion, the two-body systems that are most affected when a person is participating in a long-jump are skeletal and muscular (Option D).
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Whats The Answer Giving Brainliest To first Correct AnSwEr:D
...
Answer:
I already answered another question exactly like this from you, but here's the answer again: A: Ice Crystals.
Explanation:
I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!
Which part of a lake is most likely to have no photosythesis?
Answer:
YOU FOR GOT THE OPTION INEED IT HEHE
Will give brainliest answer!
Which describes the chromosome theory of inheritance?
1.Each adult organism has four alleles for each specific trait.
2.Offspring inherit two copies of each chromosome from each parent.
3.The traits of offspring are random and unrelated to the parents.
4.Genes are carried from parents to offspring on chromosomes.
Answer:
i beleive it is answer choice one but if wrong, im so sry
Explanation:
Answer:
4. Genes are carried from parents to offspring on chromosomes I think
An element with 5 protons, 6 neutrons, and 8 electrons has an atomic number of Group of answer choices
The mass number of an element is the sum of the protons and neutrons. The number of neutrons for a given element is the only number that can change and still have the identity of the element stay the same, (because the atomic number is the number of protons). In this case the mass number would be 11
5) What are cones?
6) What kinds of plants make cones?
Answer: 5) Cone, also called strobilus, in botany, mass of scales or bracts, usually ovate in shape, containing the reproductive organs of certain nonflowering plants.
6) Nonflowering plants
Explanation:
What is the difference between a wave and energy?
Answer:
wave is wen you go up and up entail you see the energy progressing and go up. waves can be so many deferent
Explanation:
Raisins are a snack that is made from dehydrated grapes. While the sugar remains in the fruit, the water is removed, giving it its characteristic wrinkled appearance. A student is curious if she could rehydrate a raisin and get a grape again. She runs an experiment where she places a raisin in distilled water, another raisin in tap water, and a third raisin in salt water. The movement of water in and out of the raisin is called
Answer:
This structure which allows these passages is called the cell membrane. Substances outside the cell can move in and out of the membrane through a process called diffusion. When the substance in question is water, the process is referred to as osmosis. ... Water can be put back into a raisin through the process of osmosis.
During the process of meiosis, chromosomes are divided evenly, so that the sex cell receives ONE chromosome from each homologous set. What are these sex cells called?
Answer:
Mitosis, Meiosis, and Inheritance
what is abiotic factors
Final Answer: Non-living factors
Explanation:
Abiotic factors are non-living factors in an organism's environment.
Examples: Lack of rainfall, Dry soil, Rivers dry up (air, water, sunlight, soil)
~I hope I helped you :)~
- If two organisms share the
same family, what else do
they have in mmmon?
Answer:
They also belong to the same kingdom, phylum, class and order.
Explanation:
A strand of DNA has the sequence GATTACA. What will be the sequence of the complementary strand of DNA?
Answer:
Pretty sure it is: CTAATGT
I would appreciate some verification but im 75% sure
Explanation:
3. The suffix -ose means sugar. Is glucose a simple or complex
sugar/carbohydrate?
Answer:sugar
Explanation:
Answer: Technically both
Explanation:
Complex carbohydrates are found in foods such as peas, beans, whole grains, and vegetables. Both simple and complex carbohydrates are turned to glucose (blood sugar) in the body and are used as energy. Glucose is used in the cells of the body and in the brain.
is an organism that uses the energy from the sun or inorganic substances to make its own food; it is also called a producer. is an organism that takes in or consumes other organisms to receive energy; it is also called a consumer.
Answer:
An autotroph
is an organism that uses the energy from the sun or inorganic substances to make its own food; it is also called a producer.
A heterotroph
is an organism that takes in or consumes other organisms to receive energy; it is also called a consumer.
Explanation:
An autotroph is an organism that uses the energy from the sun or inorganic substances to make its own food; it is also called a producer. A heterotroph is an organism that takes in or consumes other organisms to receive energy; it is also called a consumer.
What are autotrophs and heterotrophs?An autotroph can be referred to as an organism which uses the energy from the Sun or inorganic substances present in the environment to make its own food. These organisms are also called as producers. These organisms produce their own food through the process of photosynthesis.
Heterotrophs are the organisms which takes in or which consumes other organisms for receiving energy or as the food source. These organisms are also called as consumers. Consumers are further divided into different types on the basis of their food such as carnivores, omnivores, etc.
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Is the is the movement of planets predictable
Answer:
Most objects in the solar system are in regular and predictable motion
Explanation:
17
Use the figure below to answer the following question:
Atmosphere
nitrogen, N,
Plants
חס
As
A
Dear
Wat
urine and reces
B
E
Dentellying
bacteria
Decomposers
rogering
bacteria
hin
plants
Nitrates
NO
D
Nying
с
F
Nitrog-tong
bacteriano
bacteria
Amon NH
In the part labeled A bacteria is converting nitrates into atmospheric nitrogen. What is
this process called?
O Ammonification
O Denitrification
O Nitrification
Assimilation
what are the functions of pseudopodia in amoeba?
Answer:
Pseudopods are used for motility and ingestion. They are often found in amoebas.
Explanation:
A magazine published an article stating that drinking water obtained from waste water is harmful for health. Why is this information most likely to be incorrect? The article does not provide a scientific basis for the information magazines do not generally publish reliable scientific information drinking water has been obtained from recycled waste water since many years scientific tests show that drinking water obtained from waste water is pure and safe
Answer:
The correct answer is - the article does not provide a scientific basis for the information
Explanation:
Generally, Magazines publish articles with reliable information and sources that are universally accepted or have a scientific basis behind the information. It is already known that wastewater is recycled and purified before making it available for drinking.
In this article, there is no scientific basis behind the information as no scientific data mentioned or ignore test and practice in use from the years which is scientifically tested.
ill give you a brainliest if it is right
Answer:
$7
Explanation:
the first one: 5+2+10=17
second one: 4+7+12=23
23+17=40
Answer:
brainiest is my answer lol
Explanation:
Which statement best summarizes how human lifestyles are currently affecting the sustainability of resources on Earth?
Answer:
A reduction of carbon by half would stop the increase in global temperatures immediately and preserve the majority of resources on Earth
Explanation:
When RNA is transcribed from DNA (Transcription) and leaves the nucleus, it is then called _____ . This message is "read" by ribosomes in groups of three nucleotides, called a ____.
AsUsing the word "niche” in your answer, explain why this species may have a
higher probability of becoming endangered than a species that eats ten species of plants.
In interspecies competition, two species use the same limited resource. Competition has a negative effect on both of the species (-/- interaction).
A species' niche is basically its ecological role, which is defined by the set of conditions, resources, and interactions it needs (or can make use of).
The competitive exclusion principle says that two species can't coexist if they occupy exactly the same niche (competing for identical resources).
Two species whose niches overlap may evolve by natural selection to have more distinct niches, resulting in resource partitioning.