Answer:
c
Explanation:
which of the following kinds of cells perform basic functiona as obtaining energy from food
Answer:
Both plant cells and animal cells.
Explanation:
This is due to the requirement for survival in both plant and animal cells, which provides movement and work energy to food.
Other possibilities are not correct, as either cell or none of them acquire food energy is false.
In what type of organs are the cells that enter meiosis 1 found
Answer:
gonads, ovaries and testes
Explanation:
if im right, can i get the crown
tumors that originate within the central nervous system (cns) are due to __________.
Answer: Uncontrolled divisions of neuroglia.
Explanation:
What stage does DNA replication occur
Answer: S phase
Explanation: S phase is the period during which DNA replication occurs.
Hope this helps ;)
O fenômeno que troca parte das cromátides - irmãsna meiose para ter maior variabilidade genética, denominado de crossing over ocorre na: * 1 ponto A) telófase. B) Anáfase. C) Metáfase. D) Telófase. E) Prófase.
Answer:
E. Proface/ Prophase
Explanation:
The correct answer to the given question is given below,
E. Prophase
The explanation to the given answer is given below,
The phenomenon that changes the part of the chromatids meiosis to have a greater amount of genetic variability is occured in the prophase.
Lisa is working on a science project. her task is to answer the question: "does rogooti (which is a commercial hair product) affect the speed of hair growth". her family is willing to volunteer for the experiment.
describe how lisa would perform this experiment. identify the control group, and the independent and dependent variables in your description.
To perform the experiment to investigate whether Rogooti affects the speed of hair growth, Lisa can follow the following steps, while identifying the control group and the variables.
1. Preparing the Experimental Design:
a. Lisa would need to select a group of participants from her family who are willing to take part in the experiment.
b. Divide the participants into two groups: the experimental group and the control group.
2. Control Group:
a. The control group will serve as a baseline for comparison. They will not use Rogooti or any other hair product during the experiment.
b. Lisa should ensure that the control group participants follow their regular hair care routine without any additional products.
3. Experimental Group:
a. The experimental group participants will use Rogooti as instructed by the product's guidelines.
b. Lisa should ensure that the experimental group participants use Rogooti consistently and according to the recommended usage instructions.
4. Independent Variable:
The independent variable in this experiment is the use of Rogooti. It is the factor that Lisa manipulates and controls, as she exposes the experimental group to the hair product while keeping the control group free from it.
5. Dependent Variable:
The dependent variable in this experiment is the speed of hair growth. Lisa will measure and compare the hair growth rates between the control group and the experimental group to determine if Rogooti has any effect.
6. Data Collection:
a. Lisa needs to establish a timeframe for the experiment. For example, she may decide to measure hair growth over a period of three months.
b. Regularly record and measure the length of hair for both the control group and the experimental group participants at predetermined intervals (e.g., every two weeks).
c. Ensure consistent and accurate measurements are taken using a ruler or any other appropriate measuring tool.
d. Keep a detailed record of all the measurements obtained throughout the experiment.
7. Data Analysis:
a. After the predetermined timeframe, Lisa will compare the hair growth rates between the control group and the experimental group.
b. Analyze the data collected to determine if there are any noticeable differences in hair growth speed between the two groups.
c. Lisa should use appropriate statistical analysis methods, such as t-tests or ANOVA, to determine if any observed differences are statistically significant.
By following this experimental design, Lisa can evaluate the effect of Rogooti on the speed of hair growth.
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Which of the following statements about Cnidarians and Ctenophores are accurate? (Select all that apply) Ctenophores are filter feeders whereas cnidarians are carnivores Cnidarians have an incomplete digestive system whereas ctenophores have a complete digestive system Both cnidarians and ctenophores produce and utilize cnidocytes for prey capture Ctenophores swim using comb rows whereas cnidarians typically swim using muscle contractions A hydra or sea anemone displays the body form whereas a jellyfish displays the body form. polyp/ medusa Omedusa/ polyp O polyp/ polyp medusa/ medusa What are the cnidocytes? specialized flagellated cells for water movement through the cnidarian body specialized ciliated cells that help the animal swim specialized adhesive cells used in feeding specialized cells with threadlike filaments that function in prey capture and defense specialized excretory cells for waste removal
The correct statements are:Ctenophores are filter feeders whereas cnidarians are carnivores.Cnidarians and Ctenophores are two phyla of animals in the Kingdom Animalia that exhibit significant diversity in form and lifestyle.
Cnidarians and Ctenophores both produce and use cnidocytes for prey capture. Cnidocytes are specialized cells with thread-like filaments that function in prey capture and defense.Both cnidarians and ctenophores exhibit two distinct body forms: a polyp and a medusa. A hydra or sea anemone displays the body form whereas a jellyfish displays the medusa body form.
Ctenophores swim using comb rows whereas cnidarians typically swim using muscle contractions.Cnidarians have an incomplete digestive system, whereas ctenophores have a complete digestive system.
The correct statements are:Ctenophores are filter feeders whereas cnidarians are carnivores.Cnidarians have an incomplete digestive system whereas ctenophores have a complete digestive system.Both cnidarians and ctenophores produce and utilize cnidocytes for prey capture.
Ctenophores swim using comb rows whereas cnidarians typically swim using muscle contractions.A hydra or sea anemone displays the polyp body form whereas a jellyfish displays the medusa body form.The correct answer is option A, C, D, and E.
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1a) Traits are due to proteins. Proteins are coded for by ___ molecules, found in the
nucleus.
Answer:
dna
Explanation:
The cone-shaped landform shown in the image above is located in northeastern New Mexico. This landform is a _______, and it was created by a _______ process.
A.
fault; destructive
B.
sand dune; destructive
C.
glacier; constructive
D.
volcano; constructive
Answer:
D. Volcano;constructive
Explanation:
compared to an unmutated version of the gene, will the gene with this silent mutation have a different dna sequence? compared to an unmutated version of the gene, will the gene with this silent mutation have a different dna sequence? yes no
No. A silent mutation in a gene will not result in a different DNA sequence compared to an unmutated version of the gene.
Silent mutations are a type of point mutation that occur in the DNA sequence of a gene but do not alter the resulting amino acid sequence of the encoded protein. These mutations typically involve changes in the third nucleotide position of a codon, where multiple codons can encode the same amino acid. Due to the redundancy of the genetic code, a change in the third position of the codon may not affect the final protein product.
As a result, the DNA sequence of the gene with a silent mutation will be the same as the unmutated version, with no observable change in the protein sequence. Therefore, the correct answer is: No.
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Brendan is 6 feet tall and has red hair and green eyes. His cousin, Connor, is 5 feet, 6 inches tall, and has brown hair and brown eyes. Both boys are described as friendly and outgoing. These descriptions of genetic expression are known as their
Answer:
Phenotypes
Explanation:
Phenotypes are the characteristics of an animal or human, which we can see and observe. Thus, Brenden and Connor's characteristics can be observed an can see.
I hope this helps.( Plus, I'm bad at good English grammar)
5 feet
but I really need with my so can anyone help me? I'm only on unit two with 2 days left PLEASE !!!
Migraines in a postmenopausal woman on estrogen therapy - wyd?
Headaches could result from the decline in oestrogen right before your menstruation. Numerous migraine sufferers claim that they experience migraines prior to or during menstruation.
For migraines brought on by hormonal changes, you can use tried-and-true therapies.
Postmenopausal women have been researched to learn more about the effects of oestrogen and the usage of HRT on migraines because menopause is a natural condition of oestrogen shortage.
Menopause brings about hormonal changes, and these changes can have a significant impact on the frequency and intensity of migraine attacks. Hormonal changes, especially a decrease in oestrogen levels, may cause migraine attacks in those who menstruate and experience migraines.
The female hormone oestrogen has been connected to headaches, particularly migraine headaches.
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What would happen to the flow of energy in this ecosystem if all the grasshoppers disappear
Answer:
Answer: The grasshoppers are the herbivorous insects.
Explanation:
These insects feed on leaves and grasses. ... The population of predatory birds, snakes and other animals feed on grasshoppers. If the grasshoppers become suddenly extinct, then the population of higher organisms will also decline in number or even extinct.
When plants respire, what gas is released into the atmosphere?
Answer:
carbon dioxide
Explanation:
carbon dioxide is released into atmosphere
This peripheral blood smear is from a 42-year-old man with a past medical history significant for hypertension who presents with progressive fatigue and weakness over the past month. He indicates generalized abdominal fullness. Laboratory data include: WBC = 129.7 x 10^3/uL , RBC = 4.43 x 10^6/uL , HGB = 13.0 g/dL, MCV = 91 fL, RDW = 15%, and PLT = 309 x 10^3/uL. Identify the following cells and answer the accompanying questions.
1.What cytochemical stain might be done on the peripheral blood smear to aid in diagnosis?
2.What would you expect the results of the special stain to be ?
3.Explain your answer Calculate the Mean corpuscular Hemoglobin Concentration
4.Calculate the Hct What is this disease?
5.Name the chromosomes associated with this disease. Explain the genetic translocation associated with this disease
1. A cytochemical stain that might be done on the peripheral blood smear to aid in diagnosis is a myeloperoxidase (MPO) stain. 2. If a myeloperoxidase (MPO) stain is performed, the results would be negative. 3. The mean corpuscular hemoglobin concentration (MCHC) cannot be determined with the given data since the hematocrit (Hct) value is not provided.
1. A cytochemical stain that might be done on the peripheral blood smear to aid in diagnosis is a myeloperoxidase (MPO) stain.
2. In this case, if a myeloperoxidase (MPO) stain is performed, the results would be negative.
3. The mean corpuscular hemoglobin concentration (MCHC) is calculated by dividing the hemoglobin concentration (HGB) by the hematocrit (Hct) and multiplying by 100. However, the information provided in the question does not include the Hct value, which is necessary for calculating the MCHC. Therefore, it is not possible to determine the MCHC with the given data.
4. The hematocrit (Hct) can be calculated by multiplying the red blood cell count (RBC) by the mean corpuscular volume (MCV) and dividing by 10. In this case, the RBC count is 4.43 x 10^6/uL and the MCV is 91 fL. Using the formula: Hct = (4.43 x 10^6) x (91) / 10, the calculated Hct is 40.273%.
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death of an area of cardiac tissue due to an interrupted blood supply is called
The death of an area of cardiac tissue due to an interrupted blood supply is called myocardial infarction, commonly known as a heart attack
The death of an area of cardiac tissue due to an interrupted blood supply is called myocardial infarction. It occurs when a coronary artery, which supplies blood to the heart muscle, becomes blocked, usually by a blood clot, leading to a lack of oxygen and nutrients to the affected area of the heart muscle. This can cause permanent damage to the heart muscle and, in severe cases, may lead to heart failure or death. Symptoms of a heart attack may include chest pain, shortness of breath, nausea, lightheadedness, and sweating. It is a medical emergency that requires immediate attention and treatment.
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How many microorganisms could a handful of "rich" soil contain?
5 trillion
5,000
5 million
5 billion
A handful of "rich" soil could contain around 5 billion microorganisms.
How many microorganisms could a handful of "rich" soil contain? The options you've provided are 5 trillion, 5,000, 5 million, and 5 billion.
Soil hosts a quarter of our planet’s biodiversity. Billions upon billions of earthworms, nematodes, insects, fungi, bacteria, and other invertebrates call it home. Just one handful of soil can contain tens of thousands of different organisms.
Therefore, a handful of "rich" soil could contain around 5 billion microorganisms. This number can vary depending on the quality and composition of the soil, but a healthy, rich soil will typically have billions of microorganisms, including bacteria, fungi, and other microscopic life forms.
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16. Proteins function to provide structure for tissues and organs. Which of the following are the building blocks of proteins?
Answer:
B. amino acids
Explanation:
amino acids are the monomer of proteins
Based on the information given, the building blocks of proteins are B. Amino acids.
What are proteins?Proteins are large complex molecules that play vital functions in the body. It should be noted that proteins perform most of the functions in the cells and are required for the regulation of the tissues and the organs in the body.
The building blocks of proteins are amino acids. They are small organic molecules that have a central carbon atom that is linked to the amino group, a hydrogen atom, a carboxyl group, and a variable component.
In conclusion, amino acids link together to form large protein molecules.
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Can you help me with the question listed in the pictures below? Please and thank you. Will mark BRAINLIEST!!! Answer choices Decrease or Increase
Answer: Decrease
Explanation: Because their foot is being used more.
I think that's what it said.
As vertebrates evolved, the increasingly complex structure of the brain conferred increasingly complex function, especially apparent in the _____. See Concept 49.3 (Page) View Available Hint(s) As vertebrates evolved, the increasingly complex structure of the brain conferred increasingly complex function, especially apparent in the _____. See Concept 49.3 (Page) cerebral cortex, which is greatly expanded in humans, other primates, and cetaceans brainstem, which in most vertebrates, controls homeostasis and basic bodily function medulla oblongata, which controls automatic functions forebrain, which is a small brain region that arises early in development sleep-wake cycles of birds and mammals
Answer:
cerebral cortex, which is greatly expanded in nonhuman primates and cetaceans
Explanation:
The cerebral cortex, also known as the cerebral mantle (or gray matter), is the outermost layer of the brain in primates and other mammals. The cerebral cortex contains up to six layers of nerve cells and consists of approximately 15 billion neurons. This highly developed structure (cerebral cortex) is located in the forebrain, where is responsible for several complex functions including language and thinking processes.
_______ is a method of growing or controlling forest growth for the health and value of the environment.
a. reforestation
b. shelterwood cutting
c. prescribed burning
d. selective cutting
e. silviculture
Answer:
I think its reforestation
Explanation:
What determines the amount of
chemical energy a substance has?
Answer:
The chemical energy in a substance is determined by the potential energy of the bonds of the products formed when it reacts
The steeper the river is, the slower the water moves.
Answer:
That Sounds about right...
Explanation:
God said so
he cell performs many cellular processes to ensure the cell is able to maintain homeostasis. The organelles in cells work together to perform different functions to keep the cell balanced. The chloroplast and the mitochondria are two important organelles that provide cells with different types of energy.
The cell in the diagram is an animal cell. How can you tell it is an animal cell and not a plant cell? Give two reasons.
Answer:
because it is round and it has the different types of organelles in a layer by layer format
Explanation:
Answer:
1.Animal cells have no chloroplasts.
2.They also don't have cell wall.
is biological control effective than chemical control of crop protection?
Answer:
No
Explanation:
There are different ways or methods of protecting crops from pest and disease infestation. Two of those ways as mentioned in this question are the chemical control and biological control. Biological control of crop protection involves the use of natural enemies of crop pests, which happens to be living or biotic organisms while chemical control entails the use of pesticides and herbicides to control crop pests and diseases.
Among these two methods, the chemical control is more effective because it yields instantaneous results and gets rid of pests and diseases faster. However, in terms of sustainability, the biological control method is more eco-friendly. Hence, based on this question, biological is not more effective than chemical control of crop protection.
what are the similarties and difference between the processess of tranlation as it occurs in bacteria and aukaryotes
Translation is the process by which mRNA is decoded to synthesize proteins. While there are similarities between translation in bacteria and eukaryotes, there are also notable differences.
Let's explore them:
Similarities:
1. Genetic Code: Both bacteria and eukaryotes use the same genetic code, where specific codons in mRNA are translated into amino acids during protein synthesis.
2. Ribosomes: Ribosomes play a crucial role in translation in both bacteria and eukaryotes. They are responsible for catalyzing the formation of peptide bonds between amino acids to synthesize proteins.
3. tRNA: Transfer RNA (tRNA) molecules are involved in both bacterial and eukaryotic translation. tRNA molecules carry specific amino acids and recognize the corresponding codons on mRNA through their anticodons, ensuring the correct amino acid is added to the growing polypeptide chain.
Differences:
1. Initiation: In bacteria, translation initiation typically occurs near the Shine-Dalgarno sequence, a specific sequence on mRNA. The small ribosomal subunit recognizes this sequence and binds to the mRNA. In eukaryotes, translation initiation occurs at the 5' cap of mRNA, where the small ribosomal subunit binds directly.
2. mRNA Processing: Eukaryotic mRNA undergoes various modifications, such as capping, polyadenylation, and splicing, before it is ready for translation. Bacterial mRNA lacks these modifications and is directly available for translation.
3. Ribosome Size: Bacterial ribosomes are smaller (70S) compared to eukaryotic ribosomes (80S). This size difference reflects variations in ribosomal RNA and protein composition.
4. Transcription and Translation Coupling: In bacteria, transcription and translation can occur simultaneously because they lack a nuclear membrane, enabling immediate access of ribosomes to mRNA. In contrast, eukaryotes have a separation between transcription (in the nucleus) and translation (in the cytoplasm). The processed mRNA needs to be exported from the nucleus to the cytoplasm before translation can occur.
5. Post-Translational Modifications: Eukaryotic proteins often undergo post-translational modifications, such as phosphorylation, glycosylation, or acetylation, to acquire functional diversity. Bacterial proteins generally do not undergo extensive post-translational modifications.
These are some of the key similarities and differences between translation in bacteria and eukaryotes. Despite the variations, the fundamental process of translating genetic information into proteins is conserved across all organisms.
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I will give 50 points PLEASE HURRY
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Answer:
thats only 5.
Explanation:
what is a function of a gene that does not produce protein
Answer:
Noncoding DNA does not provide instructions for making proteins. Scientists once thought noncoding DNA was “junk,” with no known purpose. However, it is becoming clear that at least some of it is integral to the function of cells, particularly the control of gene activity
With Mitosis, The daughter cells are genetically___?
Answer:
With mitosis, the daughter cells are genetically identical to each other, and to the parent cell.
Explanation:
The process in which a single parent cell divides into two new genetically identical daughter cells having the same amount of chromosomes as that of parent cell is called mitosis.