Lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air)
What is the major consideration in setting the lower limit of cell size?
A. The cell size must be small as to fit all the processes and structures to support life.
B. The cell must be large enough to fight the pathogens.
C. The cell must be large enough to attach to a substrate.
D. The lower limit should be small enough for the cell to move in the fluid efficiently.
Answer:
c
Explanation:
The lower limit should be small enough for the cell to move in the fluid efficiently. Therefore, option (D) is correct.
The major consideration in setting the lower limit of cell size is the need for the cell to move in fluid efficiently. As cells become smaller, their surface area-to-volume ratio increases, allowing for more effective exchange of nutrients, gases, and waste products across their membrane.
This is particularly important for cells living in fluid environments where diffusion plays a crucial role in these exchanges. Small cells have an advantage in absorbing and expelling substances due to their larger surface area relative to their volume. Therefore, the efficiency of nutrient uptake and waste removal becomes more effective with smaller cell sizes, making efficient movement in fluid environments a significant factor in determining the lower limit of cell size. Thus, option (D) is correct.
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how many chromosomes are in a typical human body cell?
Answer:
46 chromosomes
Explanation:
There are 46 chromosomes in a typical human body cell. (23 pairs of chromosomes)
how many chromosomes are in a typical human body cell?
Answer:-46 chromosomes
Explanation:-The normal number of chromosomes in every cell of a typical human body is a total of 46 chromosomes, or 23 pairs.
PLEASE HELP ME IM TIMED!
Answer:
its D
Explanation:
which exam are you doing?
which molecule is most likely to diffuse through a cell membrane without the use of energy?
Use examples to explain how the geosphere interacts with two other of Earth's spheres. Explain the interaction for each using complete sentences. HELPPPP
Answer:The interaction between Geosphere, atmosphere and hydrosphere: Geosphere interact with various spheres of earth and help in various cycles of element and performing different processes. One of the examples of such interaction is the geosphere interacts with the atmosphere and hydrosphere when a volcano erupts.
A volcano is a structure or the part of the geosphere which releases lava and particulate matter into the atmosphere where it plays a role as a center particle or nuclei for the water droplets which is come down into river and land in the form of rainfall which is a part of the hydrosphe
pls give me a branlest
Using specially designed bacteria to clean up environmentally hazardous radioactive waste would be an example of __________.
Answer:
xjsdhmbjv
Explanation:
Many bacteria exist as free-living cells until a critical number of cells have been produced. Once these large numbers of cells are present in an environment, they may begin to form a biofilm. What characteristic must these cells possess in order for a biofilm to be initiated
Answer:
I believe they need a suspended counterpart by generation of an extracellular polymeric substance.
Explanation:
The comparison between the number of human genes and those of other animal species has led to many conclusions, including that _____.
Answer:
We have a lot of similar genes to those of animal kin.
Explanation:
The genes of humans and animals show more than 50% similarity and conclude the same ancestral origin.
What are genes?The gene can be described as the hereditary unit that results in the make-up of proteins for the functioning of the body.
The genes are hereditary and evolution there results in the change in the genotype and thereby phenotype with mutations.
The genes of humans and animals result in the similarity of more than m 50%. This concludes that there has been the presence of the same ancestral origin for the animal and humans.
The genetic similarity between humans and the animal species results in the conclusion of humans belong to the animal kingdom and have the same ancestral origin.
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the body system responsible for filtering wastes from the blood is the:
Answer:
urinary system
Explanation:
urinary system is responsible for filtering blood ,wastes and excessive water
Evolution represents biological change that accumulates over time. However, this change is not always apparent at every level in the biological hierarchy. Scientists most commonly observe the effects of evolution at the ________ level.
Answer:
population level
Explanation:
it ocurrs at the population level as scientists requires genetic variation between individuals of a population for natural selection
what are thallophytic plants?
Answer:
Thallophytes are a polyphyletic group of non-motile organisms traditionally described as "thalloid plants", "relatively simple plants" or "lower plants". They form an abandoned division of kingdom Plantae that include lichens and algae and occasionally bryophytes, bacteria and slime moulds.
Explanation:
gamsahamnida
Answer:
Thallophytic plants are plants of a group of plants or plant organisms (such as algae and fungi) that lack differentiated stems, leaves, and roots.
Explanation:
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Which of these rocks are most easily dissolved by ground water?
Limestone
shale
sandstone
conglomerate
Hope It's Help
Answer:
Limestone
Explanation:
I just did this
What is one way that microorganisms can be beneficial to humans? Question 11 options: Microorganisms cause disease. Microorganisms decompose wood. Microorganisms decompose waste. Microorganisms decay tooth enamel.
Microorganisms decompose waste.
Answer: I’m am pretty sure the answer is microorganisms decompose waste.
Explanation:
What are the three cell layers of retina, and how does the light travel to get to the receptor layer
In the experiment by Nirenberg and Matthaei described in the animation, why does it make biological sense that the U2 oligonucleotide showed such poor ability to bind to ribosomes and tRNA charged with phenylalanine
We have that for the Question "In the experiment by Nirenberg and Matthaei described in the animation, why does it make biological sense that the U2 oligonucleotide showed such poor ability to bind to ribosomes and tRNA charged with phenylalanine"
Answer:
This is because, the genetic code could not involve a two-base codon because such a system would not provide enough unique codons to cover all 20 amino acids.
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A muscle __________ (which is actually one long muscle cell) has hundreds of nuclei along its length to speed up the chemical processes that must occur before it can contract.
mendel’s law of segregation states that the two alleles for each gene separate during gamete formation. during which stage of meiosis do the alleles separate?
The stage of meiosis at which the alleles separate is anaphase. The correct option is B.
What is meiosis?Meiosis is a type of cell division of germ cells that produces gametes such as sperm or egg cells in reproducing organisms through gametes.
It entails two rounds of division, resulting in four cells with only one copy of each chromosome.
Meiosis 1 separates a pair of homologous chromosomes and converts a diploid cell to a haploid cell. It is divided into four stages: prophase, metaphase, anaphase, and telophase.
The homologues are pulled apart and moved to opposite ends of the cell during anaphase I.
The sister chromatids of each chromosome, on the other hand, remain attached to one another and do not separate. Finally, in telophase I, the chromosomes arrive at the cell's opposite poles.
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
Metaphase.Anaphase.Prophase.Embryo formation.12. What biological organisms are in topsoil?
decaying and living plant and animal life
fossil remains from millions of years ago
nutrients from basic building material
Kard soil, clay, and large rocks
Answer:
Many of the millions of organisms that live in the soil, including bacteria, fungi, insects, and earthworms, are known as decomposers. They live on the remains of dead plants and animals and break down these organic remains into simple chemicals that are released into the soil.
Explanation:
Define The Meaning Of Organelle "_________ __________."
First To Answer Correctly, Gets Brainliest...
Answer:
structures that preform many jobs in cells :)
Answer:
any of a number of organized or specialized structures within a living cell.2): a specialized cellular part (such as a mitochondrion, chloroplast, or nucleus) that has a specific function and is considered analogous to an organ.3)In cell biology, an organelle is a part of a cell that does a specific job. ... Organelles typically have their own plasma membrane round them. Most of the cell's organelles are in the cytoplasm. The name organelle comes from the idea that these structures are to cells what an organ is to the body.
Explanation:
mykaren clark
below is a view at 1000x magnification of a gram stain of the cerebrospinal fluid. what type of white blood cell predominates in charlie’s csf?
The type of white blood cell that predominated in charlie's CSF is neutrophils.
Cerebrospinal fluid (CSF) is a transparent, colorless plasma ultrafiltrate with little protein and few cells. It is produced in the choroid plexus in the ventricular brain system.
The type of white blood cell that predominated in charlie's CSF is neutrophils. They are granular leucocytes, with active phagocytes. In the cytoplasm, there is the presence of neutral staining granules whose phagocytic activities are integral to subdue the invasion of pathogens.
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♡what is tissue????✨
Tissue is a group of cells that have similar structure and that function together as a unit. A nonliving material, called the intercellular matrix, fills the spaces between the cells. ... There are four main tissue types in the body: epithelial, connective, muscle, and nervous. Each is designed for specific functions.
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In biology, tissue is a Cellular organizational level between cells and a complete organ .
hope it helps you ❤~✨
Which structure gives you voluntary control over urination?
Answer:
d. External urethral sphincter
Explanation: is correct. post protected
water quality specialist in South Dakota notices local streams in a region have high salinity levels. The inland streams are not connected to any wetland, only a local watershed from a mountain region. Map of the Midwest United States of America. From the top left, the state of North Dakota, South Dakota below it, Nebraska below that, and Kansas below Nebraska. From the top center, Minnesota, Iowa is below it, and Missouri is below Iowa. From the top right, Michigan, Wisconsin below it, and Illinois is below Wisconsin. Next to Illinois, below Lake Michigan, is Indiana. Next to Indiana, and below Lake Erie, is Ohio.. Which of the following is a possible source of the extra salt in the stream? Ocean upstream Lake downstream Nearby fracking Pump jack drills
A possible source of additional salt in the stream is the influence of the ocean upstream.
The map shows the course of the Mississippi River through the states of Minnesota, Wisconsin, Iowa, Illinois, and Missouri and its mouth in the Ocean.
According to this information, the salinity detected in South Dakota of the Mississippi River can be caused by the influence of the salty water of the Ocean against the current of the river.
Note: This question is incomplete because the map is missing. Here is the map.
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Answer: C. Nearby Franking
Explanation: Someone in the comments was helpful enough to say it but couldn't post it so yea, just passing it on but its right so thanks to them
Why are crystals in minerals formed from magma larger than mineral crystals formed from lava?
Answer:
Magma cools slowly inside Earth, which gives mineral crystals time to grow large enough to be seen clearly. Lava cools much more rapidly than magma when it is below the surface. In a cooling lava, mineral crystals do not have time to form and are very small.
the who, the animals, the kinks, and the yardbirds were all part of the __________.
The Who, The Animals, The Kinks, and The Yardbirds were all part of the BRITISH INVASION. This term is used to indicate the emergence of British (UK) music in the USA.
The British Invasion refers to the cultural phenomenon in which rock and pop music from the UK became popular in the USA.
The British Invasion was not only a musical movement of the mid-1960s, but also included other aspects of British culture.
The Beatles group was a pioneer rock music band that arrived in the USA and was massively popularized.
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Semiconservative DNA replication means that
A. each daughter DNA molecule is composed of one original strand and one new strand.
B. the sequence of a DNA molecule is preserved as it is being replicated.
C. each strand of a double-stranded DNA molecule is replicated differently.
D. the cell can proofread its newly synthesized DNA only part of the time.
E. nucleotides are constantly being recycled as cells make DNA.
Semiconservative DNA replication means that each daughter DNA molecule is composed of one original strand and one new strand (Option A). It describes the mechanism of DNA replication.
In semiconservative DNA replication, both DNA strands separate and serve as templates to create new complementary DNA strands.
In consequence, each daughter cell has a molecule of DNA composed of an 'old' DNA template strand and a newly synthesized DNA strand.
The semi-conservative nature of DNA Replication was discovered by Meselson and Stahl.
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What are 2 non-example of potential energy ?
Answer:
Anything that is currently moving or giving off energy such as heat, light, or magnetism would be kinetic energy instead.
Explanation:
Things like objects on top of hills, unused batteries, chemicals that haven't been mixed, would all be examples of potential energy. Even steam is an example of potential energy since it has changed to a higher energy state. But as soon as steam does something, causes an injury (scalding), or starts to turn back into water, then it is kinetic energy.
Of course, to blur the lines a bit, something can have both forms of energy at the same time. If you push a cart down a hill, the movement is the kinetic energy, but until it reaches the bottom, then it also has potential energy in the form of gravity.
Kinetic energy and thermal energy are two non-examples of potential energy as they are forms of energy related to motion and particle movement, respectively, rather than stored energy.
Kinetic energy is not an example of potential energy as it is the energy of an object in motion, while thermal energy is also related to the random motion and vibrations of particles rather than stored energy based on position or configuration.
Kinetic Energy: Kinetic energy is the energy possessed by an object due to its motion
Unlike potential energy, which is associated with stored energy, kinetic energy relates to the motion and velocity of an object.For example, a moving car or a ball thrown in the air have kinetic energy.Thermal Energy: Thermal energy is the energy associated with the random motion of particles within a substance.
It is not a form of potential energy because it does not involve the stored energy of an object due to its position or condition. Instead, thermal energy is related to the average kinetic energy of particles within a system, determining its temperature.Thus, kinetic and potential energy are examples of non-potential energy.
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How can you determine if a bacterium is being killed by an antibiotic or if its growth is simply being inhibited
Answer:
"You need to take a swab from the zone of inhibition and use it to inoculate a new plate without the antibiotic. If the organism grows then it was simply held in a static state by the antibiotic."
Explanation:
kyle has a cancer of the lymph nodes or glands. what type of cancer does kyle have?
According to scientific evidence, the age of the earth is about _____ years. 4.6 billion 3.5 billion 7.2 billion 2.3 billion
Answer:
about 4.6 billion years old