Answer:
What is the link between the light reactions and the Calvin cycle during photosynthesis?
Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH. The Calvin cycle, which takes place in the stroma, uses energy derived from these compounds to make GA3P from CO2
Which of the following might have influence whether or not a comet will collide with a nearby planet
-The ice and dust the comet is composed of
-The composition of the planets atmosphere
-gravitational attraction between two celestial objects
-none of the above
B. How does the appearance of a seed on the SIMULATION pane chan
nce the
seed has sprouted?
critically evaluate the role of human beings in perpetuating climate change
Answer:
Explanation:
Industrialization and use of combustible engines for daily life activities by humans has led to the production and release of a large amount of greenhouse gases (such as CO₂, N₂O, CH₄ and CFC) into the atmosphere-which prevents a large amount of heat produced from the earth moving to space.
The burning of fossil fuels by combustible engines (from cars, trains, power generating sets e.t.c) widely used by humans has led greatly to this climate change. Trees that help absolve a large amount of the most abundant man-made greenhouse gas (CO₂) has not been massively planted around, which indirectly worsens the case of global warming. Trees would have absorbed/breath in the CO₂ while producing/breathing out O₂ that could help cushion the effects of global warming.
Which statement below would be most likely to effect the carbon cycle if a tornado lands and destroys most of the trees in a forest?
A. There would be less fossil fuels in the ground that would be used for drilling
B. Plants would remove less carbon dioxide from the atmosphere
C. An increase in organisms respiration would raise the level of carbon dioxide in the air
D. More resources would be available for animals in the area
Answer:
B
Explanation:
The effect of the carbon cycle if a tornado lands and destroys most of the trees in a forest is Plants would remove less carbon dioxide from the atmosphere.
What impact does the carbon cycle have on land?The important changes in the land carbon cycle are likely to come because of climate change. Carbon dioxide rises temperatures, extending the growing season and increasing humidity. Both factors have led to some additional plant growth. However, warmer temperatures also stress plants.Thus, option "B" is correct.
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Viruses are considered to be___________ because________________
Answer:
Viruses are considered to be non-living because they arent
Answer:
I think it's viruses are considered to be non-living because a virus can't reproduce by itself. It must hyjack a cells system to be able to reproduce.
Which series of processes CANNOT
happen in the water cycle?
Answer:
d...
Explanation:
A mixture of iron, salt and sand can be separated using a magnet, water, a filter and a hot plate. Think about this separation. The separation of this mixture
Answer:
Explanation:
This is an example of a mixture which can be separated with simple separation techniques based on the physical properties of the mixtures.Magnetism, and filtration and evaporation
Iron is a magnetic material,but salt and sand are not,Therefore,the iron can be separated from the mixture with the use of magnet.
Salt and sand are mixable.But salt is soluble in water,but sand is not.Therefore by adding the sand and salt to water,the salt will dissolve,in the water(solvent) to form a salt solution. But the sand can be separated out of the solution by filtration with the filter paper inserted into a funnel which allows the salt solution to pass through,while restricting the sand.
The sand would be removed by the filter paper,while solution passes through.
The salt solution and some sand residues is placed in evaporating dish and heated at low temperature. The water from the solution evaporates,leaving the salt behind.
A combination of two are more substances that is not chemically combined is called a mixture.
In order to separate a mixture of iron, salt and sand, we need a magnet, water, a filter and a hot plate. The magnet is brought close to the mixture and all the iron is removed.
Next, water is added. The water will dissolve the salt while the sand will settle beneath the vessel. The solution can now be filtered and the sand is removed. To recover the salt, the solution is heated using the hot plate until all the water is evaporated and the dry salt is recovered from solution.
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1. A newton is the SI unit for
a. mass,
b. density
c. volume.
d. weight.
Answer:
weight
Explanationweight is the measure of force of gravity exerted on an object.
weight is a type of force.
force is measured in newton
Which rely on other organisms for their energy and food supply? A. primary producers B. biomass C. autotrophs D. consumers
Answer: D, consumers
Explanation:
They eat other organisms for their energy.
Which question can be answered by an experiment?
A)
Do sugar substitutes cause cancer?
B)
Did an ice age kill off the mastodons?
What caused the extinction of the dinosaurs?
D)
Are all people susceptible to the Hunta virus?
Answer:
a
Explanation:
A teacher proposed that her class should consider using a jigsaw puzzle as a model of a scientific theory. The completed puzzle represents the theory and the connecting puzzle pieces represent the individual hypotheses that are connected in the theory. What is a limitation of a jigsaw puzzle as a model for scientific theory? Options: A) It does not represent the way that some hypotheses might be rejected. B) It gives the idea that established theories are not subject to change. C) It does not represent theories that do not involve any hypotheses. D) It gives the idea that information used to develop a theory is connected.
In year 0, there are 789 bees in a population. The death rate is .21bees/year and the birth rate is .14bees/year. What will the population be in year 1?plsss help I have 19minutes left on my test !!!
Answer:
hcfdfvjxdhjgxgm
Explanation:
An ecologist is studying Dunaliella salina a single celled algae in a local pond. The pond is located near a construction site and the ecologist wants to know what affect, if any, the construction site is having on the pond, as there has been a steady decline in the Dunaliella salina population. In order to complete their study the ecologist would like to examine the organelles inside Dunaliella salina. If they would like to examine the inner structure of the chloroplasts of an already dead Dunaliella salina, what microscope would be best suited for this task? *
A.)dissecting microscope
B.)compound microscope
C.)scanning electron microscope
D.)transmission electron microscope
In the given scenario, to see the structures of chloroplast scientists can use a transmission electron microscope. The correct option is D.
What is transmission electron microscope?Transmission electron microscopes (TEM) are microscopes that visualize specimens and basically create a much higher magnification of an image using an electron particle beam.
TEMs have the ability to magnify objects up to 2 million times.
Transmission electron microscopy (TEM) is a popular method for examining the ultrastructure of organelles.
TEM generates high-resolution pictures by passing electrons through an ultrathin segment of a sample and magnifying the resulting image with a series of lenses.
The electron beam of the TEM penetrates thin slices of biological material, allowing the study of individual components of cells and organelles.
Thus, the correct option is D.
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Describe the four major spheres that support life on Earth.
Explain how rays AB and AC form both a line and an angle.
can y’all give me a hand?
Answer:
C is correct hope u get a good grade:)
Explanation:
What is difference between Microtubules and Microflaments?
Microfilaments
Microfilaments are fine, thread-like protein fibers, 3-6 nm in diameter. They are composed predominantly of a contractile protein called actin, which is the most abundant cellular protein. Microfilaments' association with the protein myosin is responsible for muscle contraction. Microfilaments can also carry out cellular movements including gliding, contraction, and cytokinesis.
Microtubules
Microtubules are cylindrical tubes, 20-25 nm in diameter. They are composed of subunits of the protein tubulin--these subunits are termed alpha and beta. Microtubules act as a scaffold to determine cell shape, and provide a set of "tracks" for cell organelles and vesicles to move on. Microtubules also form the spindle fibers for separating chromosomes during mitosis. When arranged in geometric patterns inside flagella and cilia, they are used for locomotion.
Hope this helps :)
which best defines cohesion
Answer:
The act or state of sticking together tightly especially
Explanation:
That is one definition.
Hope that helps.
Answer:
Cohesion is sticking of particles of same substance.
Explanation:
For example we say water has cohesion property it means water molecules are cohesive with other water molecules.
What organelle is responsible for cleaning and removing waste
Answer:
Lysosomes are responsible for cleaning and removing waste.
How are meiosis and mitosis different?
A. Cells go through telophase In mitosis, but In meiosis they don’t.
B. Chromatids from only during the process of meiosis.
C. Mitosis produces haploid cells, while meiosis produces diploid cells.
D. Only meiosis results In a reduction In chromosome number.
Answer: D. Only meiosis results In a reduction In chromosome number.
Explanation:
I got it correct on the test
Help!!!!A student reads that some pea plants have violet flowers, while some have white flowers. Breeding a pea plant with violet flowers with a pea plant with white flowers produces offspring,
some of which have violet flowers, while some have white flowers.
How do the offspring express the gene for flower color from the parent plants?
the random expression of one gene obtained from a single parent plant
the expression of one gene obtained from each parent plant
the expression of a gene that is inherited by any cell of the offspring
the random expression of a gene that is more numerous in the cells of the offspring
Answer:
its c. The expression of a gene that is inherited by any cell of the offspring
Explanation:
Net Force:
N
Direction:
Balanced or Unbalanced:
PLEASE ANSWER PLEASE
Answer:
balanced
Explanation:
Since equal pressure is being applied from opposite sides, they cancel out. think about pushing a box from opposite sides. Its not gonna move. Hope I was a help! :)
For each food listed below, choose whether it has all single carbon-to-carbon bonds or at least one double carbon-to-carbon bond.
Answer:
Peanut Butter: All single carbon-to-carbon bonds
Sunflower Oil: At least one double carbon-to-carbon bond
Cheddar Cheese: All single carbon-to-carbon bonds
Explanation:
BRAINLIEST!! Are Dogs mammals? :( asking for a friend
Answer:
yeheeeea boooooii in other words yes
Explanation:
Dogs have hair and fur and they are warm blooded vertibretes
Dead cells called keratinocytes make up the hair _____ which contains mtDNA and not nuclear DNA.
Answer:
Hair follicles originate in the epidermis and have many different parts. Hair is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells.What type of organic compound is lactose
Using complete sentences, compare and contrast the terms living and biotic. In your response, illustrate using examples and appropriate compare-and-contrast vocabulary
Both living things and biotic factors can be alive.
Unlike living things, biotic things may not be alive; they may have once lived or came from something living.
I included an example of something both living and biotic, such as flowers.
I included an example of something biotic, but not living, such as paper.
I used compare-and-contrast vocabulary.
Explanation:
As you all know that living is a synonym for biotic, as both discuss the measures of life. It significantly includes plants, animals, humans, predators, etc.
What is biotic?Biotic may be defined as something that is closely related to living organisms or something that is directly derived through the action of living organisms.
As compared to living, biotics may not always be alive, but it talks for a long period. Biotic is something that has once lived or emanated from something living.
Examples like plants, animals including humans are categorized under the category of living, while products such as rubber, latex, cow dung, paper, etc are biotic products that are not living.
Therefore, as you all know that living is a synonym for biotic, as both discuss the measures of life. It significantly includes plants, animals, humans, predators, etc.
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In what way do erysipelas and exudative epidermitis differ?
A. Erysipelas causes skin lesions, whereas exudative epidermitis causes digestive issues like diarrhea.
B. Erysipelas is a bacterial infection, whereas exudative epidermitis is often caused by a parasite infestation
C. Erysipelas can result in death, whereas exudative epidermitis is less serious and rarely results in fatalities.
D. Erysipelas is caused by streptococcus, whereas exudative epidermitis is caused by staphylococcus.
Answer:
D. Erysipelas is caused by streptococcus, whereas exudative epidermitis is caused by staphylococcus.
Explanation:
Hope this helped!
HELP!
Which compound do
plants use for structural support?
o
A. cellulose
O B. glucose
O C. glycogen
0 D. starch
Answer:
A. Cellulose
Explanation:
In which case would you use a dissecting microscope rather than a compound microscope? D.to view the cells of the skin B.to determine the shape of the bacteria A.to view the surface of a plant leaf C.to determine the type of virus in a specimen
NEED RN! MARKING BRAINLIST WORTH 100!! Put in order from SMALLEST to LARGEST how the structures of plants, animals, and fungi are organized.
skeletal muscle, digestive system, heart, cell, organism