Answer: Photosynthesis occurs in plants; cellular respiration occurs in animals.
Explanation: In took Biology and Aced it!
Classified each process as weathering, erosion or deposition.
Answer:
lol I don't understand sry
Depending on the organism, the number of _____ in a cell
Answer:
Chromosomes
is the answer
Why was it important for Mendel to study such a large sample of pea plants?
A. Most of the plants died before reproducing.
O B. Pea plants are very inexpensive plants.
OC. Using more plants speeds up the experiment.
OD. A higher sample size gives more accurate results.
It was important for Mendel to study such a large sample of pea plants because 'a higher sample size gives more accurate results'.
What do you mean by heredity?
Heredity is the passing of genetic characteristics from parents to offspring. It is the process by which certain traits are passed down through generations. It is the genetic material that is passed from one generation to the next.
A larger sample size helps to reduce the amount of variability in the results due to random chance, and increases the likelihood that any observed results are actually representative of the whole population. This is especially important when studying the inheritance of traits, as the probability of a trait being passed on is often very small. By studying a large sample size, Mendel was able to accurately determine the patterns of inheritance for the traits he was studying, and gain a better understanding of the mechanisms of heredity.
Hence, option D is correct.
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Part B Can scientists determine a more precise age of this snail fossil? Explain your answer.
Yes, researchers can pinpoint the fossil's age with greater accuracy. The igneous strata above and below the snail fossil can be examined to determine their exact ages. Scientists can use this absolute age to estimate the sedimentary rock's age between these layers and the fossil it contains.
What is fossil ?Fossils are the remains or signs of prehistoric life that have been preserved by the forces of nature. Shells, bones, exoskeletons, objects preserved in amber, petrified wood, coal, hair, oil, and DNA traces are a few examples of fossils. Another type of fossil is a skeletal structure.
Scientists use a clock of some kind to establish the time of formation of a rock or fossil in order to calculate its age. To date historic occurrences in the distant past, geologists frequently utilise radiometric dating techniques, which depend on the radioactive decay of specific elements like potassium and carbon.Learn more about Snail fossil here:
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An onion cell measures 0.1 mm in length. If it is 80 mm across in a photograph taken through a microscope, what magnification was used?
Answer:
800 x
Explanation:
You multiply 80 by 10 as you set 0.1 to 1 because of the image
Discuss the major groups of microorganisms that produce antibiotics.
The two groups of microorganisms are Bacteria which is also called Neomycin and Fungi i.e. Penicillin from which antibiotics could be produced.
Which microorganisms are used for making antibiotics?Most of the straightaway available antibiotics are produced by prokaryotes mainly by bacteria from the genus Streptomyces. Some antibiotics are constructed naturally by fungi. These include the cephalosporin-producing Acremonium chrysogenum. Geldanamycin make by Streptomyces. Most of the antibiotics used today are produced from microbes. Bacteria are easy to isolate, culture, keep, and improve their strain. Some antibiotic gene clusters are worldwide, while others have cameo roles. One analysis estimated that if 10,000 actinomycetes.
So we can conclude that microorganisms that produce antibiotics helpful in preventing or treating disease include bacteria and fungi.
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A true-breeding tall pea strain is crossed with a true-breeding short strain. All of the F1 progeny are tall. If the F1 are selfed...
what proportion of the F2 will be short
what proportion of the F2 will be tall?
what proportion of the F2 will be true-breeding?
1/4th proportion of the F2 progeny will be short, 3/4th will be tall and only 1/4th will be true breeding for short strain.
What is F1 and F2 progeny?The first generation bred from two parents is called the F1 generation, while the second generation is called the F2 generation. The F2 generation in a monohybrid cross is made up of both homozygous and heterozygous offspring, while the F1 generation is entirely heterozygous.
The F1 generation differs significantly from the parental kinds in other ways as well. In contrast, some paternal traits may be present in the F2 generation.
The F1 generation is crucial in hybridization as it helps produce offspring with the best traits of both parents. In contrast, F2 generation is crucial in inbreeding to preserve stable characteristics throughout generations.
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4
What types of veins do
dicots have in their leaves?
A. parallel veins
B. taproot veins
C. branched veins this
D. fibrous veins
Answer: C; branched veins.
Explanation:
Which is least affected by chemical weathering?(1 point) Responses a bridge made of iron rods a bridge made of iron rods a statue made of marble a statue made of marble a chair made of plastic a chair made of plastic a pile of tiles made of feldspar
The option that is least affected by chemical weathering is D. A pile of tiles made of feldspar.
What is Chemical weathering?Weathering is the term which is referred to as the process in which rocks are broken down into smaller particles through various types of action and mechanism. On the other hand, chemical weathering involves the breakdown of rocks through chemical reactions occurring between the substances involved.
Clay minerals such as quartz, feldspar etc are least affected by chemical weathering due to the absence of chemical reactions occurring thereby making it the most appropriate choice in this scenario.
In conclusion, the correct option is D.
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Which of these is a source of food for plants?
A.
proteins found in animal tissues
B.
minerals dissolved in the soil
C.
water that falls from the atmosphere
D.
sugars made during photosynthesis
Answer:the answer is A
Explanation:
Explain how the greenhouse gas effect contributes to climate change.
Greenhouse gases form naturally and are part of the composition of our atmosphere. The conditions on Earth are ideal for life, including us, to thrive. The naturally occurring greenhouse effect, which keeps the planet at a pleasant 15 °C (59 °F) on average, contributes to Earth's hospitality.
However, in the last century or so, humans have been interfering with the planet's energy balance, primarily through the use of fossil fuels, which emit additional carbon dioxide into the atmosphere.
Carbon dioxide levels in the atmosphere have been steadily rising for decades, trapping extra heat near the Earth's surface and causing temperatures to rise.
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Why might it be advantageous for a sessile (non-motile) Cnidarian to have radial symmetry?
It is advantageous for a sessile (non-motile) Cnidarian to have radial symmetry. Animal body parts are radially symmetrical and they are arranged along a central axis so each part extends from the center.
Because of having radial symmetry the animal body parts can be identically cut along the central axis. Animals having radial symmetry are incapable of moving and sessile. Radial symmetry helps out to reach every corner of their body parts. Cnidarians contain two tissue layers. The outer layer is called the epidermis. The epidermis is formed from the ectoderm. The inner layer, which is called the gastrodermis, which secretes digestive juices into the inner parts called the gastrovascular cavity. This gastrodermis is formed from endoderm. Cnidarians do not have to contain mesoderm and Hence cnidarians do not have organs.
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Why will a decrease in light intensity result in a decrease in the rate of photosynthesis?
1. A decrease in light intensity means a decrease in the available reactants needed for photosynthesis.
2. A decrease in light intensity means the enzymes that control photosynthesis may denature.
3. A decrease in light intensity means a decrease in the energy required for photosynthesis to take place.
4. A decrease in light intensity means an increase in the energy required for photosynthesis to take place.
Answer:
3. A decrease in light intensity means a decrease in the energy required for photosynthesis to take place.
Explanation:
The greater the light intensity, the more energy supplied to the plant and therefore the faster the light-dependent stage of photosynthesis can occur.
What does a cell have to do before it can divide into two new cells?
Cystic fibrosis is caused by
a mutation in the affected
individual's DNA.
What type of mutation
causes cystic fibrosis?
A. the addition of several different
codons
B. the loss of one base
C. the loss of a whole amino acid (3
base pairs) this
D. the CAG codon repeating at least 40
times
Cystic fibrosis is caused by a mutation in the affected individual's DNA therefore the type of mutation which causes cystic fibrosis is the loss of a whole amino acid (3 base pairs) and is denoted as option C.
What is Mutation?This is referred to as the change in the DNA sequence of an organism and it often occurs when there is an errors in DNA replication during cell division.
Cystic fibrosis is caused by the loss of a whole amino acid (3 base pairs) from the cystic fibrosis transmembrane conductance regulator gene which was why it was chosen as the correct choice.
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The body has a number of systems involved in metabolism and homeostasis.
Which of the following correctly orders four of these systems from most to least foundational?
Choose 1 answer:
Choose 1 answer:
(Choice A)
A
alpha cell, pancreatic exocrine tissue, pancreas, endocrine system
(Choice B)
B
pancreatic exocrine tissue, alpha cell, pancreas, endocrine system
(Choice C)
C
alpha cell, pancreatic exocrine tissue, endocrine system, pancreas
The option that correctly orders four of these systems from most to least foundational is A: alpha cell, pancreatic exocrine tissue, pancreas, endocrine system.
How exactly does the nervous system function?The nervous system receives information from our senses, interprets it, and sets off reactions, such causing your muscles to contract or making you feel pain.
Note that Neurons are small cells that are used by the nervous system to transmit signals from the brain to the spinal cord and then to the nerves that run throughout the body. A communication network is built by the collaboration of billions of neurons.
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which option correctly describes the mode of inheritance for sickle cell anemia
recessive, X-linked dominant, X-linked recessive Or dominant
The mode of inheritance for sickle cell anemia is recessive.
Sickle cell anemia is a type of inherited genetic disorder where the blood cells are shaped as sickle or crescent-shaped instead of being oval flat disc-shaped cells. This peculiar structure of the abnormal red blood cells deems them unable to carry sufficient oxygen to the tissues and organs of the body.
To be affected by sickle cell anemia, an individual has to inherit one copy of the sickle cell gene from each parent, irrespective of gender. Thus, it can be also called a type of autosomal recessive disease. The disease is only expressed in the homozygous recessive condition.
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When lactate builds up in a runner's muscles, it causes a burning sensation.
What causes this to occur?
A. The muscles are using alcohol fermentation to generate energy.
B. The muscles do not have enough oxygen for aerobic respiration.
C. The muscles are producing too much acetyl CoA.
D. The muscles have too much oxygen, causing the production of glucose
Anaerobic respiration - There is a lack of oxygen in the runner's muscles.
What is Anaerobic respiration?
Respiration is a chemical mechanism that occurs in all living cells and converts glucose into energy. Anaerobic respiration happens in the absence of oxygen and generates less energy but is faster than aerobic respiration. Fermentation is the term for microorganisms' anaerobic respiration.
The muscles do not have enough oxygen for aerobic respiration, therefore anaerobic respiration takes place causing a burning sensation in the runner's muscles. The word "anaerobic" means "without oxygen." There is no need for oxygen in this type of cellular respiration to produce energy. Smaller animals require energy to survive inside the absence of oxygen because there is not enough oxygen available for them to breathe.
Hence, (option B) is correct.
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find the diameter of the high power field of a microscope with alow power objective marked 10x, a high power marked 40x, and a low poer field diameter of 1600 micrometers
It is to be noted that the diameter of the High Power Field of the Microscope is 400 Micrometers.
How do you compute the diameter of a High Power Field Microscope?To find the diameter of the high-power field of a microscope, you need to know the magnification of the low-power objective, the elaboration of the high-power objective, and the diameter of the low-power field.
In this case, you are given that the low power objective has a magnification of 10x, the high power objective has a magnification of 40x, and the low power field has a diameter of 1600 micrometers.
To find the diameter of the high power field, you can use the formula:
High power field diameter = Low power field diameter * (Low power objective magnification / High power objective magnification)
Plugging in the given values, you get:
High power field diameter = 1600 micrometers * (10x / 40x)
High power field diameter = 400 micrometers
Therefore, the diameter of the high power field of the microscope is 400 micrometers.
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can someone please help my plant i have no idea what’s wrong with it
Plants can help you figure out what the problem is. Get the correct diagnosis and come up with a treatment plan to cure the plant. Light Meter Find plants that fit in every corner of your home! Some prefer shade others like the sun on their leaves. There are many reasons for sudden plant death, including gopher damage, microscopic nematodes that attack plant roots, and over-fertilization.
In most cases, the cause is simply too much or too little water. You've spent more money than it's worth on a normal plant. It's too late in the season for the withered plant to recover. Plants have no sentimental value or can be exchanged. You can use it to identify camera images and get detailed information about landmarks places plants, animals products, and other objects. You can also scan the text and have it automatically translated.
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please answer I still have 3 min only , Plants that live in shallow water have the same roles as plants on dry land. Describe the role of plants. Give an example of an interaction between one of the plants shown and another biotic element in the ecosystem.
The differentiating factor between water and land plants is that the land plants have larger root systems whereas several water plants lack a root system.
What are the roles of plants in shallow water and dry land?Plants that grow in dry areas have xeromorphic traits to reduce transpiration under drought stress.
Reduction in transpiration under drought stress conditions can also be attained through leaf shedding and decrease in leaf number, leaf size, and branching.
The shallow water, abundant light, and nutrient-rich sediment are the ideal conditions for the growth of plants. Aquatic plants then provide food and habitat for many animals such as fish, frogs, turtles, insects and snails.
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What is
pollination?
A. when a flower blooms from its
sepals
B. when the fruit develops around a
fertilized seed
C. when pollen is transferred from the
anther of one flower to the stigma of
another
at this is answer
Fireflies make their own light. The light they give off looks green. The spectrum of their light is shown. Describe how you would use a tool to see the spectrum of a firefly's light. Explain what the spectrum tells you about the light the firefly gives off. Include a comparison of the wavelengths of the light
The spectrum of the firefly can be msured by the use of a spectrometer by looking at the wavelengths of the different colors that we can see from the firefly.
What is a spectrum?We know that the term spectrum would have to do with the arrangement of wavelengths in a particular order. One of the things that we must know is that the spectrum of any object that gives out light can be measured so that the wavelength of the emitted light can be obtained.
The instrument that can be used in the measurement of the spectrum of the firefly is the spectrometer. This is a device that is specially designed in such a way that it can be able to pick up different wavelengths and analyze them.
The analysis of the light that is being given off by the firefly would enable us to be able to obtain the kind of light that we are getting from the firefly that we have studied.
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Question 7
A Split-brain operation cuts the
O Hippocampus; insomnia
O Glia; seizures
O Glia; insomnia
O Corpus callosum; seizures
to prevent
Answer:
A Hippocampus; insomnia
what happens when you smell chlorine with bleach explain
Answer: Difficulty breathing or shortness of breath.
Explanation: Bleach and chlorine are dangerous chemicals and they also smell bad. When you inhale both of them at the same time it can knock you out. With all the chemicals the human body cannot control that and as a result your body doesn't know what to do. This can lead to you getting temporary/permanently injured.
Give two examples of when molecular evidence was used to reclassify existing schemes
Answer:
Molecular clocks are used to determine how closely two species are related by calculating the number of differences between the species' DNA sequences or amino acid sequences. Molecular evidence for evolution includes that all living things share the same biochemical building blocks.
Explanation:
hope it helps : )
What soil would be 10% silt, 30% clay, and 60% sand__________
Answer: sandy clay loam
1. Which of the following statements concerning scientific hypotheses is fake? They are constructed based on observations. O They are the same as theories. O They are not always correct. O They must be testable experimentally.
Answer: They are the same as theories.
Explanation: scientific hypothesis is like a theory as it is a possible explanation of an observation.
Which letter from the image represents a gene?
Hello!
From the image the letter which represents a gene is D.
Hope this helps!
Answer:
The answer to your question is,
D
Explanation:
I hope this helps, and I did this before
Molecular basis of non infectious diseases
Answer:
BBA Molecular Basis of Disease addresses the biochemistry and molecular genetics of disease processes and models of human disease. This journal covers aspects of aging, cancer, metabolic-, neurological-, and immunological-based disease.
Explanation:
hope it helps :)
