Answers
A. Warm air rises
Explanation:
Warm air is less dense than cold air so it rises
A. Warm air rises
Hot air is less dense than cold air, which is why cold air sinks because it absorbs less energy than warm air.
Hope it helped:)
Related Questions
Predict what would happen to regulation of the lac operon if the lacI gene were moved 50,000 nucleotides upstream of its normal location.
Answers
Given our understanding of biological gene expression regulation, we can confirm that the movement upstream of the lac gene by 50,000 nucleotides would have no effect on the regulation of the lac operon.
The lac operon is one of the genes that is regulated irrelevant to its position in the genome. The reason for this is that it is regulated by a series of proteins, which will be transcribed without any dependence on the position of the lac operon gene in the genetic code.
The expression of the gene is determined by these two proteins, one of which will have a positive effect whilst the other a negative. This is intended to function as a feedback loop to keep values at a normal level. One protein will prevent the lac gene from being transcribed, while the other will promote its transcription. Each will activate in response to a concentration stimulus.
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the allelic makeup of an individual is referred to as its
Answers
Answer:
Genotype.
Explanation:
The allelic makeup that is responsible for a particular phenotype displayed by an individual.
write down the importance of mixtures in our daily life
Answers
Answer:
Mixtures and solutions are a common occurrence in our everyday lives. They are the air we breathe, the food and drink we consume and the fabrics we wear. By studying how chemists distinguish pure substances from mixtures and solutions, students will start to appreciate how matter is organized at the atomic level.
Explanation:
This is why the mixtures in our daily life is important.
Blank is the property that allows only some
substances in and out of a cell
Answers
Semi-permeability / Selective-permeability is the property that allows only some substances in and out of a cell. The cell membrane of the cell is semi-permeable.
______
RainbowSalt2222 ☔
Calculate the biodiversity loss in each extinction and report in terms of percent.
Answers
Biodiversity loss due to extinction can be calculated by comparing the number of species lost to the total number of species present in the ecosystem or on the planet.
What is biodiversity loss?For example, if an ecosystem had 100 species of plants and animals, and 10 of those species went extinct, the biodiversity loss would be 10% (10/100).
However, it's important to note that the actual calculation of biodiversity loss due to extinction is more complex than this, as it can take into account factors such as the unique roles that each species plays in the ecosystem, as well as the potential cascading effects of their loss.
Additionally, calculating the precise biodiversity loss percentage for past extinctions may be challenging due to gaps in our knowledge of the species that existed at the time.
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You are a naturalist traveling with a group of explorers in a valley of the Amazon rainforest. In a particularly wet area, you see a beautiful carpet of small plants. You notice tiny structures similar to flowers on most of the plants. To which group do these plants belong
Answers
Given our understanding of biology, we can confirm that these plants will belong to the group of angiosperms.
The identification of this group is one made by taking into account clues given by the information that the plant has flowers on it. This allows us to narrow down the group to angiosperms since this is the family of plants that include any and all plants that produce flowers and fruit with seeds inside them.
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which cell type is responsible for the cell-mediated immune response?
Answers
Answer:
the T cell are responsible for cell mediated immune response
The C) one ASAP HELP
PLSS
Answers
Answer:
chain, eco-system, people, decomposers, stomachs
Explanation:
Basically, the micro-organisms or you can refer as bacteria. They can break down substances, including dead matters (called decomposers, for example, worms). They can help digest food in our stomach for better absorption. Hope this helps.
True or false as water is heated it expands becomes less dense and rises
Answers
decrease in temperature caused the water molecules to lose energy and slow down, which results in water molecules that are closer together and a decrease in water volume. When water is heated, it expands, or increases in volume. When water increases in volume, it becomes less dense.
Answer: Water expands and becomes less dense when it freezes.
Explanation:
Genes are
A.
of four types: adenine, cytosine, thymine, and guanine
B.
the proteins DNA wraps around to form chromosomes
C.
sequences of DNA that control a trait or traits
D.
the building blocks that make up proteins
Answers
What is the chemical equation for cellular respiration?
Answers
Answer: C6H12O6 +O2 → CO2 + H2O+ energy
Explanation:
Do animals have feelings?
Answers
dogs are always so happy to see their friends/owners
Cats show care and comfort when they purr and rub on people\objects
Reptiles, when In captivity show insecurity when their home is too cold or too hot by staying in hiding
Much more the list can go on :)
The electron transport chain creates ____________________________. reduced electron carriers oxidized electron carriers oxygen a voltage across the inner mitochondrial membrane
Answers
Answer:
A voltage across the inner mitochondrial
Explanation:
who formulated the one gene–one enzyme hypothesis?
Answers
Answer:George Wells
Explanation:
The one gene–one enzyme hypothesis, proposed by George Wells Beadle in the US in 1941
mike rides his motorcycle at an average speed of 60 miles per hour for 15.5 minutes how far did mike ride for
Answers
Answer:
Mike rode for 15.5 miles.
Explanation:
there are 60 minutes in an hour. if you're going 60 miles per hour, you are traveling at 1 mile per minute. 15.5 times 1 is 15.5.
I need help with this
Answers
Answer:
115.00 units of Volume ....
Which statement describes the ability of the cell membrane to allow various substance to move through it?
Answers
Answer: The cell membrane is selectively permeable.
Explanation: going thru last year notes
resistance to blood flow is regulated primarily by what blood vessels?
Answers
Answer:
arterioles
they regulate the blood vessels
Resistance to blood flow is regulated primarily by the arterioles of blood vessels. Hence, the correct option is A.
What are arterioles?They are small arteries that branch off from the larger arteries and lead to capillaries. They play a crucial role in the circulatory system by regulating blood flow and controlling blood pressure.
Furthermore, they are equipped with smooth muscle fibers in their walls, which can contract or relax to alter the diameter of the vessel and regulate blood flow to the capillaries. This ability allows the body to redistribute blood to different parts of the body in response to changing conditions.
They help to maintain blood flow and ensure that the body's tissues receive oxygen and nutrients they need to function properly. Hence, the correct option is A.
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The question is incomplete, but most probably your complete question is,
Resistance to blood flow is regulated primarily by what blood vessels?
a. Arterioles
b. Veins
c. Arteries
d. Ventricle
Plants need many nonliving things, like minerals, to survive. Where do plants get minerals?
OA.
from animals
OB.
from the soil
C.
from sunlight
D.
from the air
Answers
Answer:
From the soil.
Explanation:
Soil has non-organic and organic matter, therefore it is beneficial to the plant. The non-organic part of the soil is sediment, which has many minerals that the plant can use to its advantage.
Hope this helped :)
The end products of protein digestion are transported across the apical membranes of enterocytes by __________.
Answers
Answer:
El intestino humano es un órgano complejo de longitud variable, oscilando entre 3 y 8 m, dependiendo de características individuales y de las técnicas empleadas en su medida (radiológicas, quirúrgicas, post-mortem), con una especialización bien definida desde el punto de vista morfológico y funcional en intestino delgado y grueso.
Explanation:
pleeeasseee i need help
Answers
Answer:
"DRY MIX"
Dependent responding (variable) X axis
Manipulated independent (variable) Y axis
The drinks is the dependent variable because it "responds" to the temperature and is "dependent" on the temperature. The temperature determines the drinks sold-but the drinks sold doesn't determine the temperature.
in the moss life cycle _____ cells within a sporangium undergo _____ to produce _____ spores.
Answers
Answer:
Explanation:
What is the biology
the neurons that transmit the signal to your foot to kick a soccer ball are called
Answers
this pedigree documents an autosomal recessive trait. remember, affected individuals are represented by filled in shapes. what is the genotype of individual 6 at generation ii?
Answers
the melanocytes of the choroid in the eye produce what layer
Answers
Answer:
the uvea
Explanation:
Hope this helps!
Answer:
Melanocytes are found in the middle layer of the eye, known as the uvea, composed of the choroid, the iris and the ciliary body.
What is happening when the cells start to swell up with water?
O A. Osmosis is taking place.
O B. Diffusion is stopping.
C. Membranes are less permeable.
D. Solutes are moving outside.
Answers
Which of the following is not related to the cell cycle?
Cell division
Organism groth
DNA replication
Reproduction
Answers
Answer:
DNA replication
Explanation:
because cell division means to devide the cells
organisms growth involve from a cell to tissue to organs to systems
and reproduction means to devide the cells until an organism
what is different between two alleles of the same gene?
Answers
Answer: heterozygous
Explanation: Each variation is an allele, and each allele will produce a slightly different effect. Alleles of the same gene differ by their genetic sequence.
Lichens are not single organisms, but algae and fungi that function together. The algae use photosynthesis to make food for both organisms. The fungi produce digestive chemicals and absorb nutrients for both organisms.
How does the biological activity of lichens cause weathering in rocks?
Answer options with 4 options
A.
Lichens cause friction as they grow, which weathers the rocks.
B.
Lichens produce chemicals, which dissolve and weather the rocks.
C.
Lichens take in water, which freezes in cracks and weathers the rocks.
D.
Lichens absorb heat during photosynthesis, which weathers the rocks.
Answers
Answer:
B
Explanation:
Lichens also have significant impact in the chemical weathering of rocks by the excretion of various organic acids, particularly oxalic acid, which can effectively dissolve minerals and chelate metallic cations.
Do you think the school system is not that challenging?
