describe the condition of Haemoglobin change into oxyhaemoglobin
Answer:
When hemoglobin is deoxygenated (left), the heme group adopts a domed configuration. When hemoglobin is oxygenated (right), the heme group adopts a planar configuration. As shown in the figure, the conformational change in the heme group causes the protein to change its conformation, as well.A
Explanation:
PLEASE ANSWERR
Which of the following is the independent variable for a controlled experiment
investigating how waste production affects a certain person's ecological
footprint?
A. Opinion the person has about environmental impact
B. Measurement of the amount of waste produced
C. Identification of the person
D. Calculation of resulting ecological footprint
Answer: Measurement of the amount of waste produced.
Explanation:
Measurement of the amount of waste produced is the independent variable for a controlled experiment in this case. Therefore, the correct statement is option B.
What is the independent variable?The independent variable is the variable that can be changed in a controlled experiment. In this case, the researcher can manipulate the amount of waste produced followed by observation of its effect on the ecological footprint.
The researcher can manipulate the amount of waste by changing the factors such as the type of waste produced, recycling facilities available, etc. under controlled conditions.
Once the independent variable is manipulated, the researcher can observe its effect on the dependent variable. In this case, the ecological footprint of the individual is a dependent variable. The dependent variable is the variable that can be affected by the independent variable and is measurable.
Therefore, the measurement of the amount of waste produced is the independent variable for a controlled experiment.
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helppppppppppo meeeeeeeeeeeeeeeeeeee
Answer:
G o o g l e
Explanation:
My brain don't work.
20. To reduce erosion, people can __________________________.
Answer:
Plant grass and shrubs. Bare soil is easily swept away by wind and water, the two main causes of erosion. Plant roots hold the soil together, while their leaves block rain and stop it breaking the soil apart.[1] X Trustworthy Source Virginia Cooperation Extension Publications and Educational resources from Virginia Tech and Virginia State University Go to source Turf, ornamental grass,
Add mulch or rocks. This will weigh down the soil and stops the soil from moving.
Explanation:
Answer:
plant cover crops or place mulch above the eroded area
Can someone help me answer this please
Answer:
first one is C and the second one is A
Explanation:
please mark brainliest
A group of herbivores is separated from their population. In the new environment, the only edible vegetation grows at the tops of trees. Which of the following is a likely physical adaptation that may develop over time?
A.
A long neck is an adaptation that will develop over time allowing the herbivores to more easily access food.
B.
A long neck is an adaptation that will develop over time allowing the herbivores to more easily see their prey from far away.
C.
Shorter legs is an adaptation that will develop over time allowing the herbivores to more easily find food.
D.
Striped fur is an adaptation that will develop over time allowing the herbivores to stay warm in the cold winters.
Answer:
C
Explanation:
Animals need food to survive and if they cant reach it, they will die and the other taller can reach the food and the weaker die off and the stronger, and taller will grow to pass it traits to others. hope this helps :)
The chromosome are arranged to show
ll
13
O A. homologous pairs
O B. tetrads
OC. independent assortment
O D. nucleotides
Answer:
D. nucleotides
i'm not sure
Carrying capacity is _____
A) The minimum population size of a species that the environment can sustain indefinitely, given food, habitat, water, and other resources available in the environment.
B) The maximum population size of a species that the environment can sustain indefinitely, given food, habitat, water, and other resources available in the environment.
C) a measurement of the population size of a species per a defined area
D) a pyramid-shaped model of relationships between organisms in a specific environment
Carrying capacity is B, The maximum population size of a species that the environment can sustain indefinitely, given food, habitat, water, and other resources available in the environment.
What is CARRYING CAPACITY?CARRYING CAPACITY, is a CAPACITY which means to hold something in this case the maximum in which an ecosystem or population can hold to CARRY out the function it needs.
Tus, option "B' is correct.
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What is the difference in DNA among individuals or the differences between populations called?
Answer:
Genetic diversity are the differences in DNA among individuals within a species or population. Species diversity is the number or variety of species in the world or in a particular region. Ecosystem diversity is the number or variety of ecosystems within a particular area.
Explanation:
1) Which of the following is NOT a property of life? a) Growth b) Reproduction c) Homeostasis d) Having a heartbeat .
Answer:
c
Explanation:
Answer:
c. homeostasis
Explanation:
homeostasis is a equilibrium process like with blood glucose or temperature
An orange tree is an example of a_________ because it contains seeds in fruit.
Answer:
angiosperm
Explanation:
The angiosperm plant have fruit and seeds inside the fruit
Why do think predatory animals like owls are often threatened in habitats that have been exposed to those chemicals?
Answer:
At each higher level of consumption, the amount of toxin is magnified.
Explanation:
Those predators all eat smaller secondary consumers, and those secondary consumers eat the primary consumers, which a lot of the times are exposed to DDT. For example bugs are often the primary target for DDT, once those bugs are exposed to the DDT they carry it in/with them. When a fish eats the bug, that fish is now exposed to the DDT. When the fish is caught and eaten by an eagle that eagle and its young are now being exposed to DDT. The DDT might not effect the full grown eagle for its lifetime but it does effect its young.
Predatory animals like owls are often threatened in habitats that have a more complex chemical composition due to the biomagnification and bioaccumulation of toxic substances in their bodies.
What is biomagnification?There are producers, consumers ,and decomposers are present in the food chain. The food chain starts with the producers, such as terrestrial plants, phytoplankton, herbs, etc.
The producer makes the food by photosynthesis, and this food is taken by the consumer. From the primary consumer/ herbivore, the energy and nutrients pass to the secondary consumer, and then to the tertiary consumer. After the deaths of the producer and consumer, they are decomposed by the decomposer.
If in an ecosystem there are chemicals present, then the chemicals attach to the plants' leaves and are consumed by the herbivores. The carnivores feed on herbivores, and the toxic material present in the herbivores is passed down to the carnivores. As a result, the toxic chemicals in the carnivores accumulate over time. This is called biomagnification. The owl is a carnivore that feeds upon the insect, so the magnification is seen.
Hence, the owl is threatened due to biomagnification.
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Explain at least one way in which water resources have been affected by human population growth. Predict how you think the water supply will be affected by continued human population growth. Justify your answer using evidence.
by the contamination of drinking water with sewage when tje pipes for the transportation of drinking water and disposal of sewage are drawn together in cities
Which of the following is true about populations of the same species living in different
places?
Answer:
What's the following?
Explanation:
Which new animal adaptation may be favored if average
temperatures in a temperate forest decreases by 25
degrees C over 1500 years?
Answer:
If the average temperatures of temperate forests fell by about 25ºC during the period of 1500 years, the natural modification of the animals that would be favored would be that which allows an adaptation to the new climatic circumstances by the fauna of said forests, that is , to the notable drop in temperature. Thus, for example, animals would develop more voluminous furs, which would allow them to heat their bodies in a better way.
how many molecules of glucose are produced in photosynthesis
Answer: One molecule of glucose (C6H12O6) and six molecules of oxygen (O2)
Explanation:
Six molecules of carbon dioxide (CO2) combine with six molecules of water (H2O) in the presence of light energy. This produces one molecule of glucose (C6H12O6) and six molecules of oxygen (O2)
WILL GIVE BRAINLIEST IF RIGHT
1. Rank the test tubes in order of greatest amount of digestion to
least amount of digestion. For each tube, explain why it would
have exhibited that that level of digestion.
2. How could the experiment be modified to further test human
digestion actions? What variables would you change? What would
you keep the same?
3. In which test tube was the activity most like that of a real human
stomach? Explain.
Answer:
Los alimentos son nuestro combustible y sus nutrientes proporcionan a las células del cuerpo la energía y las sustancias que necesitan para funcionar. Pero, antes de que los alimentos puedan hacer eso, los debemos digerir, descomponiéndolos en trozos pequeños para que nuestros cuerpos los puedan absorber y aprovechar.
El primer paso del proceso digestivo tiene lugar antes de que ni tan siquiera probemos la comida. Con solo oler una tarta de manzana casera o pensar en lo delicioso que va a saber un tomate maduro, empezamos a salivar, y el proceso digestivo se inicia preparándonos para ese primer bocado.
Casi todos los animales tienen un sistema digestivo en forma de tubo, donde los alimentos:
entran por la boca
pasan por un largo tubo
salen del cuerpo en forma de heces (caca) a través del ano
A lo largo del camino, se descomponen en moléculas diminutas para que el cuerpo pueda absorber los nutrientes que necesita:
Las proteínas se deben descomponer en aminoácidos.
Los almidones se descomponen en azúcares simples.
Las grasas se descomponen en ácidos grasos y glicerol.
Los residuos que el cuerpo no puede aprovechar son los que salen del cuerpo en forma de heces.
Explanation:
Which organisms might you find in a taiga?
A. polar bears, penguins, and mosses
B. moose, evergreen trees, and bears
C. coral, sharks, and dolphins
D. prairie dogs, grasses, and buffalo
I already know the answer
In which structure in the ovary does an egg mature?
10. Which of the following processes results in the greatest number of functional daughter cells? a. Spermatogenesis c. Oogenesis b. Mitosis d. All of the above result in equal # of daughter cells
Answer:
i think d
Explanation:
Place where an organism lives
Answer:
I think Habitat because place where an organism or a community of organisms lives, including all living and nonliving factors or conditions of the surrounding environment. A host organism inhabited by parasites is as much a habitat as a terrestrial place such as a grove of trees or an aquatic locality such as a small pond.
I hope this help you!:)
Researchers Robert Briggs and Thomas King used ultraviolet radiation to destroy the nuclear DNA of frog eggs. Nuclei from adult skin cells and from tadpole-gut epithelial cells were cultured and then injected into eggs that had their nuclei destroyed. The results were tadpoles. Which conclusion is supported by the data from this investigation?
Answer:
Nuclei of gametes and somatic cells are similar to each other in its function.
Explanation:
The conclusion of the data is that the nuclei of gametes and somatic cells are similar to each other because both performs same function in the cell i.e. regulates activities of the cell. The nuclei of somatic or skin cells work efficiently in the egg cells due to similar composition and structure of nuclei that performs similar function in the cell so that's why injection of skin cell's nuclei into egg cells results the same i.e. formation of tadpoles.
What bone marks the end of the backbone in frogs?
Hip bone. This large bone at the bottom of the spine supports the frog's powerful legs.
fast!!!
What two physical structures help protect the plant and animal against environmental conditions? (2 points)
Group of answer choices
Bark and feather
Pistil and ovary
Stamen and testes
Stem and skeleton
Answer:
Bark and feather
Explanation:
The outer covering of a plant is an example of a physical structure. Plants can have a waxy covering, fuzzy hair, feather,bark, thorns, or spines. These outer coverings help protect the plant from harsh weather conditions, predators, and can help reduce water loss. So your answer would be ( Bark and Feather)
help me please its easy i just don't pay attention
Answer:
Tall
-TT
-Tt
Short
-Tt
Explanation:
T is dominant
t is recessive if it's Tt that means it could be either.
How is a ciadogram used?
Answer:
A cladogram is a diagram used to represent a hypothetical relationship between groups of animals, called a phylogeny. A cladogram is used by a scientist studying phylogenetic systematics to visualize the groups of organisms being compared, how they are related, and their most common ancestors.
Answer:A cladogram may be a chart utilized to speak to a speculative relationship between bunches of creatures, called a phylogeny.
Explanation:
hello please help i’ll give brainliest
Answer:
D
Explanation:
Because you are naturally destroying their habitat and destroying their habitat will not let them reproduce properly.
Answer:
the first one is the answer
HOPE IT HELPEDA chemical company produced a genetically engineered potato called the New Leaf Superior. This plant produces a chemical that repels insects that might eat the plant. The offspring of the plant will also produce the chemical. What is one possible disadvantage of growing this type of potato?
A. The chemical will prevent insects from pollinating the plant.
B. The chemical might kill the plant, causing the soil to lie inactive.
C. The chemical might be harmful to humans when they eat the potato
D. The chemical will allow too many potatoes to grow, hurting crop yields.
A chemical company produced a genetically engineered potato called the New Leaf Superior, and one possible disadvantage of growing this type of potato is the chemical might be harmful to humans when they eat the potato that is in Option C.
What is the significance of genetically engineered foods?Genetically engineered foods are foods that have been artificially altered to be different from the wild type of the variety and have the potential to provide a variety of benefits, such as increased crop yields and pest resistance. They are also a great help in meeting the growing demand for food, but the ethics of genetically engineered foods are still in debate.
Hence, a chemical company produced a genetically engineered potato called the New Leaf Superior, and one possible disadvantage of growing this type of potato is the chemical might be harmful to humans when they eat the potato that is in Option C.
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The German physician Robert Koch provided evidence to support the germ theory of infectious disease. Koch isolated bacteria from a cow with anthrax then injected the bacteria into a healthy mouse. To support germ theory, what must have happened to the healthy mouse?
A: it became sick.
B: it spread smallpox.
C: it produced antibiotics.
D: it became immune to viral infections.
I'LL GIVE BRAINLIEST TO THE RIGHT ANSWER! Given that black is dominant over brown and that a pure-bred black mouse is mated to a pure-bred brown mouse, the offspring phenotype can be expected to be _____.
all black
all brown-black mix
brown, black
all brown
Answer:
brown black mix
Explanation:
did the chart