Answer:
All cells are made from the same major classes of organic molecules: nucleic acids, proteins, carbohydrates, and lipids, They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves. Cells have many parts, each with a different function.
Explanation:
Which event is responsible for the genetic variation seen from meiosis?
1
Homologous chromosomes exchange RNA with one another.
Sister chromatids exchange ribosomes with one another.
Homologous chromosomes exchange DNA with one another.
Sister chromatids exchange amino acids with one another.
Answer:
Homologous chromosomes exchange DNA with one another.
Explanation:
During crossing over, the two Homologous chromosomes line up next to eachother and the DNA "crosses over" changing the genes on the chromosome.
Woodpeckers and squirrels fight for nesting rights in the same holes and spaces in trees, while the lions and cheetahs of the African savanna fight for the same antelope and gazelle prey. Which of the following statements about these relationships is accurate?
A. These are examples of competition because the organisms are fighting for resources.
B. These are examples of predation because the organisms are trying to take each other’s food and homes.
C. These are examples of predation because lions and cheetahs eat woodpeckers and squirrels.
D. These are examples of competition because no organisms are helped or harmed.
Answer:
a
Explanation:
both of the cases the organisms are fighting for a resource
You should be familiar with the drugstore antibiotic ointment Neosporin (Triple antibiotic ointment), which is often thought of as innocuous. Based on your knowledge of antibiotics from Chapter 12 describe the mode of actions of the three antibiotics found in Neosporin (neomycin, polymyxin, and bacitracin), research their side effects, and postulate on why these three antibiotics were chosen.
Answer: Antibiotics are chemicals which, in low concentrations, can selectively kill or inhibit the growth of most pathogenic bacteria and are not harmful to humans.
Explanation:
Neosporin is a type of antibiotics which is used for the treatment or prevention of mild superficial infections. It consists of three active component, hence the name Triple antibiotic ointment. These active components, their mode of action and side effects include:
--> NEOMYCIN : This is one of the active components of Neosporin which inhibits the protein synthesis of an invading pathogenic bacteria through irreversible binding to the 30 S ribosomal subunit of susceptible bacteria. Their MODE OF ACTION is bactericidal meaning that the effect it has on the protein synthesis inhibits it's growth leading to the death of the bacteria.
SIDE EFFECTS: it can cause irritation, burning, itching, rash redness when applied topically.
--> POLYMYXIN: This is one of the active components of neosporin which attacks the invading pathogenic gram negative bacteria. In its mode of action, is the ability to combine with and disorganise structures of the bacterial cell which are responsible for the maintenance of the osmotic equilibrium of the cell thereby exposing the underlying peptidoglycan layer to lysozyme.
SIDE EFFECTS: Burning, redness, or irritation of the skin may occur.
--> BACITRACIN: This is also one of the active components of Neosporin. In its mode of action, it inhibits bacterial cell wall synthesis. This is achieved by preventing the final dephosphorylation step in the phospholipid carrier cycle, which interferes with the mucopeptide transfer to the growing cell wall.
SIDE EFFECTS: it may cause rash, itching/swelling (especially of the face/tongue/throat).
These three active components of Neosporin are combined to broaden the antibacterial spectrum. This means that at least one of the active components will effectively kill an invading pathogenic bacteria through its unique mode of action.
Which type of energy transfer occurs primarily in liquids and gasses?
Answer:
Convection and conduction are the two most prominent methods of heat transfer in liquids and gases.
The joints in all of your fingers are _________________________ joints.. Single line text.
Answer:
I believe they would be h_i_n_g_e.
Explanation:
The Fingers can only move so much unlike the thumb.
Answer:
Explanation:
proximal interphalangea joint metacarpophalangeal joint distal interphalangeal joint
The highlighted structure is a tract that connects the ___. The highlighted structure is a tract that connects the ___. hypothalamus and epithalamus hippocampus with the hypothalamus amygdala and the cingulate gyrus None of the choices is correct.
Answer:
The highlighted structure is a tract that connects the hypothalamus and epithalamus .
Explanation:
The given highlighted structure is a optic chisma or optic chiasma.
OPTIC CHISMA- The optic chiasm is an X-shaped structure created in the brain by the crossing of optic nerves. The brain and the eye are connected by the optic nerve. The optic chiasm is considered to be a pivotal point of evolution by biologists. The crossing and uncrossing optic nerve fibers that pass through the optic chiasm are thought to have evolved to help with binocular vision and eye-hand coordination.
Nerve fibers from half of each eye pass over to the opposite side of the brain at the optic chiasm. The fibers from the other half of the retina migrate to the same side of the brain as the fibers from the other half of the retina. Every half of the brain receives visual signals from both eyes' visual fields as a result of this junction.
Hence , the correct answer is hypothalamus and epithalamus .
The given highlighted structure is attached here -
The correct sequence between genes and their phenotypic expression is
Answer:
Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule
which of the following is a difference between DNA and RNA?
Answer:
C is best answer
Explanation:
Hope this helps!
Which of these events is a likely result of thermal water pollution? O A. Sediment particles floating in water clog the gills of fish. B. Algae are killed by solvents that have run off into a pond. O C. Fish die from lack of oxygen due to an algal bloom. D. Rainbow trout disappear from a stream because of high water temperatures.
Answer:
D is the answer
Explanation:
This is the only answer that specifically references a thermal effect.
The events is a likely result of thermal water pollution is Rainbow trout disappear from a stream because of high water temperatures. Thus, option "D" is correct.
What is water pollution?Water pollution occurs when materials are disposed in water body, thus making it unfit for use. A polluted water can not be used for various purposes that water can be used for. Examples include: recreation, drinking, washing etc.
Water scarcity is the situation when available water is not sufficient for the use of organisms in a community. This majorly occurs in arid area.
Thus, option "D" is correct.
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Please help! Will mark brainliest.
Answer:
2nd one is the most realistic of what occurs in ecosyystems
Please select the word from the list that best fits the definition
where the energy in food is stored until it is released
Answer:
The correct answer is - Mitochondria.
Explanation:
Mitochondria is the location that stores the energy in food until it is released. It is the cellular organelle that is the place where the cellular respiration process takes place.
In this organelle, the stored food is converted into a usable energy form, ATP. Mitochondria is also known as the powerhouse of the cell as it converts and releases the energy from the stored sugar or food.
Thus, the correct answer is - mitochondria.
1. The energy stored in glucose is converted into a usable form, the energy source of all cells, ___________________ _________________ triphosphate, or ____________.
2. The equation for respiration is:
______________ + O2 -----> CO2 + H2O + ____________
3. Because oxygen is used to produce ATP, this is referred to as an _______________ process.
4. The release of energy cannot occur all at once. Too much ______ would be released inside the cells. Instead, the release of energy occurs in a series of ________________________________ small steps.
5. Plants do photosynthesis only when there is light, during the day. So, they take in _________ only during the day. But, they do respiration all the time, 24 hours a day. All living things do cellular respiration all the time or they are not alive. So, all organisms use _________, all the time.
Answer:
Adenosine diphosphate
What is the difference between a normal baby and a baby with down syndrome
Answer:
hope this helps you :)
Explanation:
Typically, a baby is born with 46 chromosomes. Babies with Down syndrome have an extra copy of one of these chromosomes, chromosome 21. A medical term for having an extra copy of a chromosome is 'trisomy. ' Down syndrome is also referred to as Trisomy 21.
Which type of mutation does the model demonstrate?
Answer:
G
Explanation:
TATC is being inserted into the sequence
True or False: Primary and secondary succession both end with the formation of a climax community.
answer and show proof and ill give brainliest
Answer:
Explanation: negative human impact on the pH of Earth’s oceans can be reduced.
Goldfish, tuna, trout, bass are all
Bony,jawless, or cartilaginous?
Answer:
Bony
Hope this helps!
Answer:
bony
Explanation:
i`ve come across this question before, i`m pretty sure this is right
Place the following events in the order they occur by listing their assigned letters in that order. A. Cas9 REC domains binds to the guideRNA B. Cas9 complex binds to dsDNA C. Cas9 complex scans dsDNA for PAM sequence D. Cas9 unwinds dsDNA E. The programmable part of the guideRNA binds to its complementary sequence F. Cas9 cuts both strands to generate a double strand break
Answer: a, b, d, c, e, f
Explanation: The steps of Cas9 DNA recognition and cleavage goes in the following order lettered A, B, D, C, E and F. Cas9 recognizes and binds the sgRNA after which it binds to the double stranded DNA. It then unwinds and scans the dsDNA for its protospacer adjacent motif sequence (PAM) and on recognition the sgRNA binds to its complementary sequence followed by cleavage of the DNA at two points. That is how the double stranded break is created.
a. What is the diploid number of the species shown in Figure 1?
b. What is the haploid number of the species?
Answer:
I hope this helps you
Explanation:
1)This number is abbreviated as 2n where n stands for the number of chromosomes. For humans, the diploid chromosome number equation is 2n = 46 because humans have two sets of 23 chromosomes (22 sets of two autosomal or non-sex chromosomes and one set of two sex chromosomes).
2)Under normal conditions, the haploid number is exactly half the total number of chromosomes present in the organism's somatic cells. For diploid organisms, the monoploid number and haploid number are equal; in humans, both are equal to 23.
The diploid number is 2n no. of chromosomes and thus it is diploid instead of haploid.
This variety is abbreviated as 2n wherein n stands for the variety of chromosomes. For people, the diploid chromosome variety equation is 2n = 46 due to the fact that people have units of 23 chromosomes (22 units of autosomal or non-intercourse chromosomes and one set of chromosomes).Under everyday conditions, the haploid variety is precisely 1/2 of the entire variety of chromosomes gift withinside the organism's somatic cells. For diploid organisms, the monoploid variety and haploid variety are identical; in people, each is identical to 23.What are chromosomes?Chromosomes are thread-like systems placed in the nucleus of animal and plant cells. Each chromosome is made from protein and a single molecule of deoxyribonucleic acid (DNA).
Thus it is clear that the diploid and haploid number of the species depends on the number of chromosomes.
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Humidity refers to the moisture in the air or the amount of water vapor found in the air, and it is very high in rainforests (around 80%).
Question 4 options:
True
False
Answer:
True
Explanation:
Humidity refers to the moisture in the air or the amount of water vapor found in the air, and it is very high in rainforests is True statement.
What is Humidity?The amount of water vapor in the air is known as humidity. The humidity will be high if there is a lot of water vapor in the atmosphere. It feels wetter outside as the humidity rises.
Relative humidity is the term typically used to describe humidity in weather reports.
The amount of water vapor that is actually present in the air, represented as a percentage of the maximum amount of water vapor that the air can contain at the same temperature, is known as relative humidity.
Therefore, Humidity refers to the moisture in the air or the amount of water vapor found in the air, and it is very high in rainforests is True statement.
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Do students learn more when they are hungry? I don’t think so. We should have a vending machine at our school because people get hungry in the middle of the day, it would raise money for sports and clubs, and students would learn more.
Answer:
No they will not learn more because thier mind will in food and they will not understand
What do u think abt this dog
Answer:
A beast tbh
Explanation:
what goes up when the rain goes down ?
Answer:
Umbrella goes up when rain comes down.
Answer:
UMBRELLA
Explanation:
Umbrella goes up when rain comes down.
HAVE A GOOD DAY
How many federal agencies are responsible for managing land resources in the United States
2
4
6
10
Answer:
The answer is 4
Explanation:
Right on EDGE 2021!
For the statement "How many federal agencies are responsible for managing land resources in the United States" it is four, This is further explained below, Option 4 is correct.
To find the number of Federal agencies we need to know more about Federal agencies.
What are Federal agencies?Federal agencies are simply defined as a one-of-a-kind government body created to address specific issues, such as a nation's security.
In conclusion, The four agencies are
The Department of Agriculture's Forest Service the Department of the Interior's Bureau of Land Management (BLM) Fish and Wildlife Service (FWS) National Park Service (NPS)Read more about Nations
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Chloroplasts require oxygen.
True
Or
False??
Answer:
yes true because The oxygen released by the chloroplasts is the same oxygen you breathe every day.
Explanation:
Difference between palisade cell and fungal cell
Answer:
Explanation:
Plantae and Fungi are two of the three main kingdoms in the domain Eukaryote (the third group is Animalia, which includes you and me).
Many fungi grow in a way that’s similar to plants. They inhabit similar ecosystems and may even form symbiotic relationships together. Mycorrhizae are fungi that grow on the roots of plants, helping the plants take up nutrients in the soil while the plant provides the fungus with sugar. Of course, most fungi don’t look much like plants.
But the differences between fungi and plants are more than just skin (or bark) deep. While mushrooms often inhabit similar ecosystems to plants, molds and yeasts are even more different from plants!
Looking at a plant cell and a fungi cell under a microscope will reveal some interesting similarities and differences.
person who studies inscets
Answer:
An entomologist
Explanation:
i need 2 example each for connective of tissues, Epithelial, muscle and nervous
Answer:
Connective tissue adipose, cartilage, bone.
Epithelial epidermis, the outermost layer of the skin.
Muscle skeletal, cardiac, and smooth.
Nervous neurons and neuroglia
Scientists classify organisms in a branch of science called taxonomy. Which scientific tool listed below would aid scientists in determining how closely related two organisms are so that the scientists could classify them?
A. a meter stick to measure the sizes of the organisms
B. an x-ray to examine the skeletal structure of the organisms
C. a triple-beam balance to calculate the relative masses of the organisms
D. an analog GPS tracker to investigate the habitats and ecosystems of the organisms?
Answer:
b
Explanation: if they could see an x-ray of the bone structure they could understand further how they are related
All of the world's plants, animals, and microorganisms are included in taxonomy, which is the science of naming, describing, and classifying species.
What is Taxonomy?Taxonomists identify, describe, and classify species, particularly those that are novel to science, using morphological, behavioral, genetic, and biochemical observations.
Taxonomy recognizes and catalogs the elements of biological diversity, offering the fundamental information necessary for the management and application of the Convention on Biological Diversity.
Taxonomists have identified roughly 1.78 million species of animals, plants, and microorganisms throughout the past 250 years of study, but the true number of species is unknown and likely between 5 and 30 million.
Therefore, All of the world's plants, animals, and microorganisms are included in taxonomy, which is the science of naming, describing, and classifying species.
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Identify the sections of the mid-oceanic ridge that have reversed polarity on the right side of the ridge.
Normal magnetic
polarity
Reversed magnetic
polarity
Mid-ocean ridge
Lithosphere
Magma
Answer:
Normal And Mid-Ocean
Explanation:
Just did it and it was right :)
Based on the magnetism on the seafloor, the sections with reversed polarity on the right side are shown as the grey areas in the diagram attached.
Magnetism on the seafloor
Leads to ridges having reversed and normal polarity.These ridges often alternate.The first ridge to the right will have a normal polarity. The next ridge will be reversed and this trend will then repeat till the end.
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