Answer:
B. Schizophrenia
Explanation:
yes
What do proteins, nucleic acids, and carbohydrates all have in common?
why your 21st century sophisticated, how do you explain the role of the plant in the change of the air in the jar
Answer: The gas of Fire constrains the atoms that make up oxygen in the air. Plants release oxygen, and take in carbon dioxide.
A reproductive cell must differ from other normal body cells. The reproductive cell must ______________ because it will soon fuse with another reproductive cell to form a new individual
I'm not 100% sure what the exact answer is to this, because lots of things could be said about what gametes need to do for reproduction.
I suppose since it says that it's combining with another cell, it's hinting at the fact that reproductive cells are haploid.
If this is multiple choice I would choose the choice that has to do with gametes being haploid.
A reproductive cell must differ from other normal body. The reproductive cell must Haploid because it will soon fuse with another reproductive cell to form a new individual.
How is a reproductive cell specialized?The requires the union of two specialized cells, called gametes, each of which contains one set of chromosomes.
Thus, haploid is the answer.
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Which of the following is an autotroph?
A producer is an autotroph.
Answer:
C) Producer
Explanation:
An autotroph can make or form nutrients from inorganic organisms like carbon dioxide.
a producer can make its own food from photosythesis, which comes from the sun and other things.
What are the scientific findings that support the view of biological evolution?
Explanation:
Sir/Miss,
Perhaps the most persuasive fossil evidence for evolution is the consistency of the sequence of fossils from early to recent. Nowhere on Earth do we find, for example, mammals in Devonian (the age of fishes) strata, or human fossils coexisting with dinosaur remains.
Which type of medications are manufactured as an antigen against the disease-
causing bacteria or virus and then administered to healthy individuals to produce
adaptive immune response?
Chemotherapy drugs
Immune-modulators
Vaccines
Alkylating agents
Please help. Thx
Answer:
Vaccine are manufactured as an antigen against the disease-causing bacteria or virus and then administered to healthy individuals to produce adaptive immune response
The type of medications are manufactured as an antigen against the disease- causing bacteria or virus and then administered to healthy individuals to produce adaptive immune response is Vaccines which is the third option.
Vaccines are medications that are manufactured as an antigen against disease-causing bacteria or viruses. They are designed to stimulate the immune system of healthy individuals to produce an adaptive immune response. By introducing a harmless or weakened form of the pathogen or its components into the body, vaccines mimic an infection and trigger an immune response. This allows the immune system to recognize and remember the pathogen, enabling a faster and more effective response if the person is exposed to the actual disease-causing agent in the future.
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21 Science 6 - CR Calculating the Density of Propane Use the mass and volume data to calculate the density of liquid propane to the nearest hundredth. Mass of propane = 4,300 g Volume of propane = 10,000 mL The density of liquid propane is g/mL. Intro
Answer:
0.43g/mL
Explanation:
Density of a substance is its mass per unit volume. It can be calculated thus:
Density = mass/volume
According to the information provided on propane in this question;
Mass of propane = 4,300g
Volume of propane = 10,000mL
Density = 4300/10000
Density = 0.43g/mL
Hence, the density of propane is 0.43g/mL.
Which of the following explains why the Midwest is not suffering as severe damage from acid rain as are the northeastern states?
a. Midwest has few sources of acid rain-forming pollutants.
b. pH of rainfall in Midwest is significantly higher than that in the Northeast.
c. soils in the Midwest have a higher buffering capacity than do those in the Northeast.
d. soils in the Midwest have a lower buffering capacity than do those in the Northeast.
e. Midwestern soils have lower concentrations of toxic metals to be leached into watersheds.
Answer:
a. Midwest has few sources of acid rain-forming pollutants.
Explanation:
Midwest has few sources of acid rain-forming pollutants because Midwest has less number of factories which produces less pollution. Farming, mining, and manufacturing of different products are the major industries Midwest. Other industries like transportation, finance, and machinery are also important for the economy of Midwest. Due to less number of factories less amount of pollutants goes to the atmosphere and will not cause acid rain.
Which of the following statements regarding membrane protein function is false? Group of answer choices Membrane proteins act as receptors to molecules like hormones. Membrane proteins serve as enzymes. Membrane proteins form junctions between cells. Membrane proteins transfer genetic information to the cytoplasm.
Answer:
Membrane proteins transfer genetic information to the cytoplasm.
Explanation:
Membrane proteins cannot transfer genetic information to the cytoplasm. Genetic information is only in DNA and RNA, and to pass it, RNA has to leave the nucleus and be translated into a protein in the cytoplasm. Once the protein synthesis has finished, the protein may go to the membrane if it has the signal to do it or have a different function. In the membrane, the membrane protein can receive information from other cells and transfer it to the cytoplasm, but never in the shape of genetic information.
What is the role of the spindle fibers in mitosis?
Answer:
Spindle fibers are a type of protein that splits a cell's genetic material. During both kinds of nuclear division, mitosis and meiosis, the spindle is required to evenly divide the chromosomes in a mother cell into two daughter cells. The spindle fibers are referred to as the mitotic spindle during mitosis.
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The science community has taken the following stance on Global Climate change. "Climate change is the single biggest environmental and humanitarian crisis of our time. The Earth's atmosphere is overloaded with heat-trapping carbon dioxide, which threatens large-scale disruptions in a climate with disastrous consequences. We must act now to spur the adoption of cleaner energy sources at home and abroad."
What position do you take with this statement?
Explain your reasoning for your position.
Provide evidence to support your position.
Answer:
Helper.
Explanation:
I will take the position of helper that work for the betterment of environment by reducing such activities that can increase the carbondioxide concentration in the atmosphere. The main reason for this position is the destruction and damages that occurs in the environment and to organisms that are present all around the world. This global warming leads to the extinction of these species so in order to protect them I choose this position.
The scientists mapping the SNPs in the human genome noticed that groups of SNPs tended to be inherited together, in blocks known as haplotypes, ranging in length from 5,000 to 200,000 base pairs. There are as few as four or five commonly occurring combinations of SNPs per haplotype. Integrating what you've learned throughout this chapter and this unit, propose an explanation for this observation.
Answer:
SNPs have shown that only 0.1 % of DNA sequences are different in the human genome between different individuals, thereby all the inherited phenotypic variation observed in our species is associated with only 0.1 % of differences at the genome level
Explanation:
Haplotypes are block-like sequences of DNA that are inherited together due to low recombination rates. Moreover, single-nucleotide polymorphism (SNP) mapping is a very useful methodology used to map the site of SNP mutations (i.e., SNP variants). In this regard, it has been observed that there are approximately 10 million common SNPs in the human genome. These SNPs contribute to the wide range of phenotypic variation observed in human populations for different traits (e.g., eye color, hair, weight, height, etc). Moreover, researchers have determined that SNPs can be clustered into haplotypes, thereby haplotypes can be accurately sampled by as few as approx. 300,000 selected SNPs, which are sufficient to represent all of the genetic variation across different human genomes.
Contrast potential and kinetic energy. Give an example of potential being changed to kinetic energy.
Answer:
First, the raised hammer has more potential energy since it has the potential to go higher or lower. Second, when you hit the hammer on the table, the stored potential energy is converted to kinetic energy as the hammer is falling. (It's the falling hammer that has kinetic energy)
Explanation:
Another example-When rolling a ball down a ramp the ball at its highest point has potential energy but when it rolls down the ramp it converts to kinetic energy
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Defined forestry and its important in nepal?
Explanation:
In a mountain- ous country such as Nepal, forests are important for the protection of water catchments, the conservation of soil and the maintenance of biodiversity, as well as for their contributions to sustainable rural livelihoods and the maintenance of the environment.Answer:
forest is defined as a large area that has many trees and other plants, or a dense area that is like a forest.
its important in nepal are:
1.for the protection of water catchments,
2.for the conservation of soil and
3.for the maintenance of biodiversity,
4.. for their contributions to sustainable rural livelihoods
5.the maintenance of the environment.
6.it increase the natural beauty of nepal
हरियो वन नेपालको धन
जय नेपाल
Describe the normal process of osteogenesis for compact and spongy bone using the three different types of bone cells and their functions
Answer:
Osteoblasts penetrate the disintegrating cartilage and replace it with spongy bone. This forms a primary ossification center. Ossification continues from this center toward the ends of the bones. After spongy bone is formed in the diaphysis, osteoclasts break down the newly formed bone to open up the medullary cavity.
What would be the most likely candidate for a complete transmembrane segment of a protein in the lysosomal membrane?
Answer:
Alpha-helical and beta-barrels.
Explanation:
Alpha-helical and beta-barrels are the types of transmembrane protein and both are most likely candidate for a complete transmembrane segment of a protein in the lysosomal membrane. A transmembrane protein (TP) is a type of membrane protein that spread in the whole cell membrane. Transmembrane proteins act as gateways that permit the transport of specific substances across the membrane of the cell.
2. The process of obtaining and using energy is called
metabolism
O photosynthesis
reproduction
homeostasis
Explanation:
the answer is photosynthesis because it oxidizes It produces energy by producing its own food, that is, it produces ATB.
What is the complementary DNA strand for this DNA strand : GTTACGAACT
Answer:
CAATGCTTGA
Explanation:
how long does it take for a CRISPR to work?
Recall that one approach to the study of cell cycle regulation has been to fuse cultured cells that are at different stages of the cell cycle and observe the effect of the fusion on the nuclei of the fused cells (heterokaryons). When cells in Gl are fused with cells in S, the nuclei from the Gl cells begin DNA replication earlier than they would have if they had not been fused. In fusions of cells in G2 and S, however, nuclei continue their previous activities, apparently uninfluenced by the fusion. Fusions between mitotic cells and interphase cells always lead to chromatin condensation in the nonmitotic nuclei. Based on these results, identify each of the following statements about cell cycle regulation as probably true (T), probably false (F), or not possible to conclude from the data (NP). Sort each statement into the appropriate bin.
1. The transition from mitosis to G1 appears to result from the disappearance or inactivation of a cytoplasmic factor present during M-phase.
2. The activation of DNA synthesis may result from the stimulatory of one or more cytoplasmic factors.
3. Gl is not an obligatory phase of all cell cycles
4. The transition from G2 to mitosis may result from the presence in the G2 cytoplasm of one or more factors that induce chromatin formation.
5. The transition from S to G2 may result from the presence of a cytoplasmic factor that inhibits DNA synthesis.
A. T
B. F
C. NP
Answer:
1. T
2. T
3. NP
4. F
5. F
Explanation:
In somatic cells, the cell cycle can be divided into 1-the interphase, 2-the mitotic phase or M phase, and 3-the G₀ phase. In turn, the interphase of the cell cycle can be divided into three phases: 1-the gap 1 (G1) phase or growth 1 phase, 2-the S phase (DNA replication or DNA synthesis), and 3-the gap 2 (G2) phase or growth 2 phase. During the G1 phase, the cell synthesizes key enzymes which are required during DNA replication (S phase) and cell division (M phase). Cytoplasmic factors are proteins and messenger RNAs (mRNAs) that control cell functions during the cell cycle. This cycle is modulated by proteins known as control factors, i.e., cyclins and cyclin-dependent kinases (Cdks) that work together to control the progression through different phases of the cell cycle. The transition from S to G2 occurs after DNA replication. This transition (S to G2) is controlled by a DNA damage checkpoint orchestrated by the ATM (Ataxia telangiectasia mutated) and ATR (Ataxia Telangiectasia and Rad3 related) kinases which are recruited to DNA damage sites. Moreover, the transition from G2 to M phase is mediated by the accumulation of mitotic inducers, which lead to an increase in the activity of mitotic kinase and finally trigger mitotic entry.
Which of the following was not part of the original cell theory, but was added later after we learned more about cellular structure?
A. all cells have the same basic composition
B. all cells come from pre-existing cells
C. all cells have a nucleus
D. all cells have the same exact structures.
Answer:
c oooooooooooookkkkkkkkkkk
In a diploid cell, a FISH probe should produce ____________ signals in metaphase FISH and ____________ signals in interphase FISH.
Answer: Four, two
Explanation:
FISH (fluorescence in situ hybridization) is a technique for chromosome mapping with probes that emit fluorescence and allow the visualization, distinction and study of chromosomes of nuclei in metaphase or inferophase. In this way, any type of anomaly such as inversions, aneuploidies, duplications or microdeletions can be seen. To do this, a non-specific DNA staining is performed with DAPI (a fluorophore that marks the nucleus where DNA is present) and the fluorescence will be seen under the microscope.
When cells are in metaphase, their chromosomes are condensed in preparation for cell division. To stop them in metaphase, colchicine is used which is a microtubule depolymerizing agent responsible for separating the sister chromatids of a chromosome, thus preventing the progression of cell division and arresting the cell cycle in metaphase. Here we will see translocations, microdeletions or duplications.
Interphase FISH is used to see decondensed chromatin, which allows higher resolution in detecting small abnormalities. It is mainly used for the detection of aneuploidies or large deletions, duplications or translocations when samples are difficult to grow or are scarce, as in the case of fetal or tumor cells. It is not possible to distinguish between a normal karyotype and a karyotype showing a balanced translocation. In addition, it can be used in the analysis of solid tumors, which divide very infrequently.
During metaphase, the chromosomes are duplicated so there would be two sets of chromosomes (a total of four chromosomes). Then, there would be four signals for each probe. During interphase, the chromosomes are not dupicated. Since it is a diploid organisms, there would be two chromosomes and this will represen two signals for probe.
You isolate a variant of the Hfr parent in question 6 that only shows recombination of the his+ and trp+ genes. The cross was ( HFR lac+, gal+, trp+, his+, strr X F- lac-, gal-, trp-, his-, strs ). This strain most likely:_________.
a. Contains an F' his+ trp
b. Has become F-
c. Contains an Hfr translocation
d. No longer mates as a merry diploid
e. Not enough information is given
Answer:
The correct answer is - b. has become F-.
Explanation:
In the case of the cross of two different strains, some genetic material moves to the F- strain from the Hfr strain, but due to genome size, it's not possible that all the genes can pass into a single bacterium.
Instead of complete transfer, each individual F- cell gets a different and random subset of genes from the Hfr. There is no translocation and F' does not contain his+ trp+.
Explain why virus could not fit into any one of the five kingdom
Answer:
To make copies of themselves they necessarily need the intervention of a cell. Therefore, viruses are not living beings. That is why they are not included in any Kingdom in which living beings are included
Identify the structure you are consuming when you eat each of the following vegetables. Match the words in the left column to the appropriate blanks in the sentences on the right. a. stem b. taprootc. lateral buds d. modified steme. leaf (petiole and blade)f. petiole 1. Asparagus 2. Brussels sprouts 3. Celery 4. Spinach 5. Carrot 6. Potato
Answer:
a. stem 1: Asparagus
b. taproot: 5. Carrot
c. lateral buds: 2. Brussels sprouts
d. modified stem: 6. Potato
e. leaf (petiole and blade): 4. Spinach
f. petiole: 3. Celery
Explanation:
A plant stem is one of the structural axes of vascular plants that holds structures such as leaves, flowers, and fruits. The stem also transports water and dissolved (organic and inorganic) nutrients between the roots and the shoots. In some plants, the stem is modified in order to carry out other functions (e.g., storage, vegetative propagation, protection, etc). Potatoes are modified stems (i.e., stem tubers) that are connected by small stem sections known as stolons, and serve as food storage organs. A taproot is a central, and dominant root from which other roots sprout, which can be used by the plant to store water and food (e.g., in carrots and turnips). Lateral buds or axillary buds are meristematic regions growing from the axils of the leaves at the intersection of the leaf and stem, below the terminal bud. Leaves are composed of the 1-blade, also known as the lamina, which is the largest part of the leaf, and 2-the petiole, which is a stalk that supports the blade and connects it to the plant stem. Celery petioles play the same functions as a plant stem by acting as transport and storage organs.
7. Shawn plotted the data in a bar graph with two bars: one representing the number of bees per colony in the control cages and the other representing the number of bees per colony in the cages exposed to the fungicide. If the results support the hypothesis that fungicides harm bee development, what would you expect this bar graph to show? Describe the expected pattern in a few sentences.
Answer:
The first bar increases in length as compared to the second bar.
Explanation:
The length of the bar of control cages in graph increases because the number of bees per colony increases while on the other hand, the length of the bar of the cage that is exposed to fungicides decreases because the bees are negatively affected from the application of fungicides. They act abnormal in behaviour and adversely affected the reproduction of bees that greatly affected its population.
Which is true if energy in ecosystem
Explanation:
energy flows in only one direction through an ecosystem.
i.Name two heart diseases in humans.
ii.State three causes of heart diseases.
Answer:
Arrhythmia
Atherosclerosis
Common causes of heart diseases
Diabetes.
Drug abuse.
Excessive use of alcohol or caffeine.
High blood pressure.
What makes up the mantle
plz help
and explain why?
Answer:
steel plate
Explanation:
steel plate have lustre because steel is coated with zinc.
Hope it is helpful....