Answer:
its either c or d
Explanation:
can't quite remember which
please help I am on a timer.... Also this is 7th grade biology.
Answer:
D
Explanation:
Hope it helps
PLEASE HELP 50 POINTS!!!!Which of the following best describes the approximate number of cells in the culture that are in interphase, as well as the consequence of the severe disruption of interphase in mitotic division of cells within a tissue?
A) There are approximately 917 cells in interphase. Disruption of interphase will have no effect on mitosis because they are two completely independent processes.
B)There are approximately 83 cells in interphase. Disruption of interphase will lead to a faster and more efficient mitotic cycle, which will result in increased cell division and tissue growth.
C)There are approximately 917 cells in interphase. Disruption of interphase will trigger the cell to switch to a mitotic phase and repeatedly divide, which will result in the massive proliferation of the cells and heightened tissue growth.
D)There are approximately 83 cells in interphase. Disruption of interphase will result in the cell being unable to synthesize proteins and organelles required to divide, which will result in the cell not passing key checkpoints and ceasing to divide.
Answer:
The correct answer is D, "there are approximately 83 cells in interphase. Disruption of interphase will result in the cell being unable to synthesize proteins and organelles required to divide, which will result in the cell not passing key checkpoints and ceasing to divide."
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HELP PLEASE! NEED ASAP
Answer:
5) summer
6)winter
7)the equator
8)south pole
Which one of following is not included in the abiotic cycles?
A)
water
B)
phosphorus
C)
nitrogen cycles
D)
carbon
E)
magnesium
Answer: E. Magnesium
Explanation:
Trust me bro
organisms that obtain their energy from producers and other consumers are: group of answer choices chegg
Organisms that obtain their energy from producers or other consumers are heterotrophs.
What is heterotrophs ?An organism is referred to as a heterotroph if it consumes other plants or animals for food and energy. Its origins are in the Greek words hetero, which means "other," and trophe, which means "nutrition." Autotrophs and heterotrophs are two general classifications of organisms depending on how they receive energy and nutrients.
In contrast to heterotrophs, which cannot produce their own food and must rely on autotrophs for sustenance, autotrophs are organisms that create their own food through the process of photosynthesis.Humans and all other mammals, fish, birds, insects, and more basic living forms like bacteria and fungi are examples of heterotrophs.Learn more about Heterotrophs here:
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Producers play a valuable role in any ecosystem. Describe this role.
Answer:
Explanation:
Producers-organisms that produce their own energy using photosynthesis-are often times food for herbivores and omnivores, Smaller herbivores ad omnivores are eaten by carnivores. Without producers, the entire food chain would fall.
based on a number of considerations, it is hypothesized that at some time in the evolution of life, there must have been a single molecule that could do both cellular work and replicate itself. a possible mo
The correct answer is Ribosomes is the single molecule that could do both cellular work and replicate itself.
Ribosomes have two primary functions: message decoding and peptide bond formation. The ribosomal subunits are made up of two large ribonucleoprotein particles (RNPs) of unequal size. Each subunit is composed of one or more ribosomal RNAs (rRNAs) and a large number of ribosomal proteins (r-proteins). The ribosome is an ancient molecular fossil that can be used to peer into the origins of life. In all living systems, the ribosome, which is composed of RNA and protein, converts mRNA to coded protein. Translation is infused with universality, economy, centrality, and antiquity. Because the ribosome is so important to all aspects of life and reproduction in an organism, rapid change is unlikely to survive. The ribosome components are an excellent resource for studying the evolution of all organisms because all cellular organism have ribosomes .
Based on a number of considerations, it is hypothesized that at some time in the evolution of life, there must have been a single molecule that could do both cellular work and replicate itself. A possible molecule that has been suggested is a catalytic RNA molecule, now called a ?
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HELP!! Which of the following is NOT true of protein structure?
A: Proteins' secondary structure is dictated by peptide bonds.
B: Proteins' tertiary structure is dictated by R group bonds.
C: Proteins have quaternary structure when they are arranged together.
The statement that is not true related to the protein structure is option b. Proteins' tertiary structure is dictated by R group bonds.
What is protein structure?It is classified as the three dimensional shape of the protein.
In the tertiary structure it does contain the single polypeptide chain that we called as the backbone or there more than one protein secondary structures
Also, it should not be dictated by R group bonds.
Therefore, we can conclude that the option b is correct.
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Answer: A)
Explanation:
Alkali metals have the properties of metals except they are less dense and:
More brittle
Softer
Less reactive
More valuable
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Alkali metals are the ones that belong to the 1st group of the periodic table, they are the most reactive metals having less ionization energy.
And one more thing is common between them, that is :
All alkali metals are soft metals, that can easily be cut through knife.
So, required choice is : B. Softer
monosaccharide profiling of glycoproteins by capillary electrophoresis with contactless conductivity detection
Monosaccharide profiling of glycoproteins by capillary electrophoresis with contactless conductivity detection is saccharides.
What are saccharides?Saccharides form one of the major constituents of the biological macromolecules in living organisms. Many biological processes including the protein folding, stability, immune response and receptor activation are regulated by glycosylation.
In this work, we optimized a capillary electrophoresis method with the capacitively coupled contactless conductivity detection for separation of eight monosaccharides commonly found in glycoproteins, namely D-glucose, D-galactose, D-mannose, N-acetyl-D-glucosamine, N-acetyl-D-galactosamine, D-fucose, N-acetylneuraminic acid, and D-xylose. A highly alkaline solution of 50 mM sodium hydroxide, 22.5 mM disodium phosphate, and 0.2 mM CTAB (pH 12.4) was used as background electrolyte in a 10 µm id capillary. To achieve baseline separation of all the analytes, a counter-directional pressure of –270 kPa was applied during the separation. The limits of the detection of our method were below 7 µg/ml (i.e., 1.5 pg or 1 mg/g protein) and the limits of quantification were below 22 µg/ml (i.e., 5 pg or 3 mg/g protein). As a proof of the concept of our methodology, we performed an analysis of monosaccharides released from fetuin glycoprotein by acid hydrolysis. The results show that, when combined with an appropriate pre-concentration technique, developed method can be used as a monosaccharide profiling tool in glyco-proteomics and complement the routinely used LC-MS/MS analysis.
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Which substance is used by plants during photosynthesis?
a. sulfuric acid c. carbon monoxide b. carbon dioxide d. urea
Answer:
i say that the answer is c
Explanation:
Answer:
Carbon dioxide
you might think of me as the trash collector, but recycler is maybe more accurate. what am i
The organelle here is lysosome as it collects the trash of the cell. The correct option is B.
What is a lysosome?A lysosome is a cell organelle that contains digestive enzymes and is membrane-bound.
Lysosomes are involved in a variety of cellular processes. They degrade extraneous or worn-out cell parts. They could be used to eliminate invading viruses and bacteria.
Lysosomes serve as the cell's digestive system, degrading material taken in from outside the cell as well as digesting obsolete components of the cell itself.
The lysosome's interior is acidic and contains numerous enzymes that break down molecules.
It is known as the cell's recycling center, but this does not imply that it only plays a passive role in the cell.
Thus, the correct option is B.
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Your question seems incomplete, the missing options are:
Cytoplasm.Lysosome.Vacuole.Ribosome.Ninety-nine percent (99%) of weather occurs in the
A. troposphere
B. mesosphere
C. thermoshere
D. stratosphere
What type of mutation is the following: ATCGAC to TTCGAC
a)point
b)insertion
c) deletion
Answer:
c) deletion is the type of mutation in the following
l'll give brainliest if you answer
Answer:
Asexual Reproduction
Explanation:
Amoeba is an example of Asexual Reproduction.
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How do you do this? I need this complete by Monday pls help me
Answer:
First box: Carbohydrates
monomer is monosaccarides single sugar molecules
Elements: C, H, O
examples are glucose and cellulos
Box two: Proteins
Monomer: amino acid
Elements: C, H, O, N, P, S
function: a lot of differnt functions but examples include:
– Enzymes that control the rate of biochemical reactions
– Hormones that regulate cell processes (Ex. Insulin)
– Structurally make up bones and muscles (Ex. Collagen)
– Transport substances in and out of cell (Ex. Hemoglobin)
– Antibodies help immune system fight diseases
– Movement (Ex. Contractile proteins)
– Receptors aid in cell signaling
– Energy source in the food we eat (Ex. Casein)
Examples: meats, nuts, and dairy products, but many are made by your body
Box three: Nucleic Acid
Monomer: Nucleotides
Elements: C, H, O, N, P
function: informational molecules that store, transmit, and express our genetic information; contain the instructions for making proteins
example: DNA and RNA
Box Four: Lipids
Monomer: fatty acids
Elements: C, H, O
Function: Long term energy storage
Examples: fats, oils, phospholipids (in the cell membrane), steroids
Explanation:
which of these represents an individual form of life such as an animal, plant, or single-celled life form
Organism represents an individual form of life such as an animal, plant, or single-celled life form. A prokaryote or a eukaryote can be a unicellular organism. Eukaryotic organisms have a membrane-bound cell nucleus as well as extra membrane-bound compartments known as organelles (such as mitochondria in animals and plants and plastids in plants and algae, all generally considered to be derived from endosymbiotic bacteria)
Fungi, mammals, and plants are examples of eukaryotic organism kingdoms. Organisms are classified as producers, consumers, herbivores, carnivores, omnivores, scavengers, parasites, predators, and decomposers. Everything you need to know about the 39 trillion microbes that live in our bodies, according to the human microbiome.
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I'm basically confused about the directions of this slide. Can someone help me?
If I am understanding correctly, the first thing they are asking you to do is match nitrogen bases.
Adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C).
Then, whichever are the double strands, cut them out and put them into you notebook. (I am not sure where the notebook is, but I am assuming you know)
Then in the speech bubble next to the picture of Chargaff- talk about his rule.
What does the rule mean?
What does the rule explain?
How is the rule demonstrated?
Lastly, finding percents. What percent of the pairs has Adenine in them?
For example:
If I look at this pairing below
A →T
T→ A
G →C
C→ G
50% of the pairs include Adenine.
Hope I helped! Comment if you have questions about my answer :)
Answer:
If the sequence of nitrogenous bases of a DNA strand is ATCTAGGCCG, the complementary strand would be TAGATCCGGC, with a percentage of guanine 30%, cytosine 30%, adenine 20% and thymine 20%, according to Chargaff's rule.
Explanation:
DNA is made up of sequences of nitrogenous bases, which are adenine (A), guanine (G), thymine (T) and cytosine (C). The bases of one strand are matched with the bases of another, according to the complementarity of nitrogenous bases, where:
Adenine is complemented with Thymine A=T Guanine is complemented with Cytosine G≡CThe image shows a DNA chain whose chain is complementary:
DNA Strand given Complementary Strand
Adenine Thymine
Thymine Adenine
Cytosine Guanine
Thymine Adenine
Adenine Thymine
Guanine Cytosine
Guanine Cytosine
Cytosine Guanine
Cytosine Guanine
Guanine Cytosine
Therefore, in a DNA molecule there is as much adenine as thymine, and an equal amount of cytosine and guanine. In this example there are 4 molecules of adenine, 4 molecules of thymine, 6 guanines and 6 cytosines.
The proportion or percentages of nitrogenous bases can be calculated according to Chargaff's rule.
Chargaff was able to establish that in a DNA molecule the ratio of purine:pyrimidine of 1:1, so there must be the same amount of thymine as adenine and a similar amount of guanine for the cytosine, according to the complementarity of bases.
Taking into account the law of the base pair, if in a DNA chain there is 30% of Adenine, in the molecule there is:
Guanine 30%
Cytosine 30%
Adenine 20%
Thymine 20%
Total ..... 100%
50 POINTS MARKING BRAINLEIST IF CORRECT
To confirm about the validity of a company's claim about the efficacy and safety of a new pesticide, a consumer can do: (b) additional studies that will be the reliability check for the claims.
Pesticides are the chemicals used to prevent the damage if crops against harmful small insects or other small organisms. These chemical agents can either kill the pests or slow their growth to a great extent. Pesticides can be of three types: insecticides, fungicides and herbicides.
Reliability check in case of pesticides can be defined as the tests and surveys performed to check for their effectiveness. It is in simple terms a quality check. Reliability check for pesticides are very important because if these pesticides are hazardous, they can cause chronic illness in humans after the consumption of such crops.
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WILL GIVE BRAINLIEST!!!!!!!
Which statement is NOT part of modern cell theory?
The first cell arrived on earth from outer space.
Cells contain hereditary information that passes from one generation of cells to the next.
Cells arise from other cells.
All living organisms consist of one or more cells.
Answer:
I'm pretty sure the answer is A
1.1.4 Which of the following reagents is used to test for glucose? A. Fehling's solution B. Ethanol C. Benedict's solution D. lodine
Answer:
benedicts solutuin(c)
Which phase of the moon is shown? full moon first quarter waning gibbous waxing crescent
Answer:
full
Explanation:
What plants release water into the air through condensation
Answer:
all of them duh even trees do and flowers and many more all plants even humans do it and animals
fernandes a, connors jm, carrier m. anticoagulation for subsegmental pulmonary embolism. n engl j med. 2019;381(12):1171-1174.
A pulmonary (lung) artery obstruction is referred to as an acute pulmonary embolism or embolus.
What can be diagnosis of acute pulmonary embolism?Acute pulmonary embolism (PE) causes 50,000 to 200,000 deaths per year and is a common cause of death. After coronary artery disease and stroke, it is the third most prevalent cause of mortality among cardiovascular diseases. The development of multi-detector computed tomographic pulmonary angiography (CTPA) has increased the rate of diagnosis of PE by enabling improved assessment of PE regarding imaging of the peripheral pulmonary arteries. As a result, more instances of accidental PE and isolated subsegmental PE (SSPE), two types of peripheral PE, have been discovered. Usually, patients with these two disorders have little to no evidence of the traditional PE symptoms, such as hemoptysis or pleuritic discomfort, abrupt dyspnea, or circulatory collapse.
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How are sugar molecules in living things classified?
as proteins
as nucleic acids
as
lipids
as carbohydrates
Why must cells go through division
Answer : Because you can't make something out of thin air.
Explanation:
It has to come from somewhere. And that somewhere is the cell.
mitigating measures for fire
Question 2
Scientist study the
to learn about the history of life, past environments on Earth, and
how different groups of organisms have changed over time.
Historical Record
Animal Record
Fossil Record
Earth Record
A heavy flood washed away over five meters of soil and rock. The laun
rock that was exposed by the fine
Please explain when you have smaller population does evolution happen faster
Answer:
Small populations tend to lose genetic diversity more quickly than large populations due to stochastic sampling error (i.e., genetic drift). This is because some versions of a gene can be lost due to random chance, and this is more likely to occur when populations are small.
Explanation:
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PICK ME AS THE BRAINLIEST
Question 23 of 25
PLEASE ANSWER!!!!
How can you be certain that a
chemical change has happened?
O A. A new substance is formed.
O B. A substance changes state.
O C. The color of a material changes.
O D. The amount of a material changes.