Answer:
Anaerobic respiration is the type of respiration through which cells can breakdown sugars to generate energy in the absence of oxygen.
How do volcanoes provide evidence to scientists to support the idea that matter and energy move within the Earth’s interior?
Answer:
Scientists use volcanic activity data from this area to show the relationship between volcanic activity and lithospheric plate motion. Hot Spots and Plate Tectonics: A volcanic hot-spot is an area in the mantle from which heat rises in the form of a thermal plume from deep within the Earth. Higher heat and lower pressure at the base of the lithosphere melts rock and forms magma.
Explanation:
energy moves through everything really
What are the metric units for acceleration?
Answer:
meter per second squared
NEED HELP ASAP
A gene is a segment of DNA that codes for a single protein.
Question 1 options:
True
False
Question 2 (1 point)
Cell differentiation (example a muscle cell is different than a nerve cell) occurs because:
Question 2 options:
genes are turned on or off based on the cells needs
all of the cells contain different genes
extra genes are added if the cell needs them
genes are destroyed
MY ANSWERS ARE A AND D
Genes are destroyed for question no 2
5. Objects that sink have a greater density than the buoyant force acting on it.
(3 Points)
True
False
Answer:
FALSE
Explanation: JFNHHNNFHNHIJGJNHJINNJIGNJINRTIHNNEJIRTNHNJENRTJIHNJIENIJRTJHINERTNERNTHNEIRNTNEJRNFJINRJTNHFINRTJIHNFIJENRTJHNEJIRTNHJNFEIJNHNETNFHJNRTJHNFEJRNTJIHNFEINTRJHINERNTH
What would make the water in a small region of the ocean more salty?
A. heavy rainfall over the region
B. melting an iceberg in the region
C. water from a river running into the region
D. evaporation of a lot of the water in the region
Answer:
Its C
Explanation:
Checked it and got it right
a doctor sees a patient who has kidney failure, lack of motor coordination, and a poorly functioning nervous system. after testing the doctor finds that these symptoms are all related to a chronic lack of energy in some of the patients cells. the doctor diagnoses a metabolic disorder known as leigh's disease. Based on evidence a malfunction in what organelle is most likely responsible for leighs disease?
prerenal inflammation im pro
bably wrong i just wanted to answer something
How could natural selection affect humans?
Answer:
Explanation:
an example is the ability to endure the sugar, lactose, in milk. In many places of the world, people can't drink milk in light of the fact that their body turns off the intestinal creation of lactase, a chemical that processes the sugar in the milk.
Answer:
Natural selection is still influencing the evolution of a wide variety of human traits, from when people start having children to their body mass index, reports a study published Monday in the journal Proceedings of the National Academy of Sciences.
Explanation:
What might be the consequences of your choice?
• Political:
• Economic:
• Social:
Answer:
Political: Lobbyists.
Economic:Farmers and industrial companies will significantly reduce their output and reduce local jobs. The companies that sell pesticides and fertilizers to local companies will also suffer losses. Farmers will suffer the most if they are unable to find safer fertilizers and pesticides to use.
Social:After a period of time, water pollutants will reduce to safe levels. This could be a long wait. Poverty may increase in the region due to lost jobs and income.
Explanation:
How do mutations affect natural selection
Answer:
The idea of natural selection would in theory be affected by mutations because natural selection invloves a species/animal only surviving by having a certain trait. Over time, all of the animals/species would have this trait through elimination partnered with reproduction. A mutation may begin this cycle by giving an animal the ability to have an advantage over its fellow species.
Explanation:
Answer:
They affect how likely an organism is to survive and reproduce
Explanation:
Which statement is true about DNA?
Its replication takes place in the cytosol.
It is a single-stranded molecule.
Both of the original DNA strands act as templates during replication.
Only one of the original DNA strands acts as a template during replication.
Answer:
both of the original DNA strands act as templates during replication.
Which component is found in nonvascular plants?
Leaves
Stems
Chlorophyll
Roots
Answer:
Chlorophyll
Explanation:
because they lack roots, stems, and leaves.
The component that can be found in non-vascular plants is chlorophyll. The correct option is C.
What is chlorophyll?Chlorophyll is a pigment that gives plants their distinctive green colour and aids in photosynthesis, which enables plants to produce their own food.
Plants (including algae) can photosynthesize, or use sunshine to change simple molecules into organic compounds.
Chlorophyll makes this possible. The most common kind of chlorophyll found in algae and green plants is chlorophyll a.
Plants lacking a circulatory system made up of xylem and phloem are referred to as non-vascular plants. They may instead have more basic tissues with tailored capabilities for the internal transfer of water.
Mosses, hornworts, and liverworts are examples of nonvascular plants. They don't have leaves, stems, or roots.
Nonvascular plants require a damp environment, are low-growing, and reproduce using spores.
Thus, the correct option is C.
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1. How can we identify a market for vegetables? Write.
2
How do you get vegetables to the market? Write the procedures in brief.
1.
Marketing is one of the most important factors in determining the success of any fruit and vegetable farming enterprise. Marketing includes all the operations and decisions made by producers. These decisions range from deter-mining the most marketable crops for production to deciding how to best deliver quality produce to the consumers at a profit. However, contrary to popular belief, marketing does not begin after a crop is produced. Instead, marketing alternatives need to be considered even before production takes place.
2.
Recent environmental and food safety concerns in the United States produce sector have brought about increasing interest in organic fruit and vegetable production as an alternative to traditional fruit and vegetable enterprises. As a result, the production and marketing of organic crops has expanded steadily during the 1980s. However, as more organic producers enter the industry and it becomes more and more competitive, existing producers are forced to become better growers and more effective marketers.
What is the process of Asexual reproduction? Honey Bees
And
What is the process of Sexual reproduction? Honey Bees
Answer:
ASEXUAL
female worker bees are able to reproduce asexually: they lay eggs that are essentially fertilised by their own DNA, which develop into new worker bees. The team sequenced the entire genomes of a sample of Cape bees and compared them with other populations of honeybees that reproduce normally.
SEXUAL
The typical story of reproduction is that males and females of an animal species do it sexually. Generally, that's what honeybees do, too. Sperm from a male drone fertilizes a queen's eggs, and she sends out a chemical signal, or pheromone, that renders worker bees, which are all female, sterile when they detect it.
Explanation:
What is RNA primase's job?
-removing a few bases for DNA polymerase
-add a few bases for DNA polymerase
-removing a few bases for helicase
Answer:
The correct answer is - add a few bases for DNA polymerase
Explanation:
A short extended nucleic acid composed of ssRNA molecule. This is a molecule that synthesize a primer initialy and later again lay down a primer after the opening of replication fork by DNA helicase.
It sysntheisze before and after the helicase and follow the helicase in order to prepare for the replication process. Thus, adding a few bases for DNA polymerase is main job of RNA primase.
What is the cells specialization of the sponges?
23. In both plant and animal cells, the cell
membrane
(1) produces enzymes
(2) controls reproduction
(3) is composed of sugars
(4) regulates diffusion
Answer:
the answer is option 1
The Cell membrane regulates diffusion, in plants and animal cells.
What is a Cell Membrane?Every biological cell has a thin membrane that separates it from the rest of the environment this membrane is known as a cell membrane.Cell membranes is made of lipids and proteins.The cell membrane's chemical nature makes it extremely flexible, making it a perfect border for quickly growing and dividing cells.Cell membrane is a semi-permeable membrane.Cell membrane does not produce enzymes.
Hence, the option (1) is incorrect.
Cell membrane cannot control reproduction.
Hence, option (2) is incorrect.
The main constituents of cell membrane is lipids and proteins, not sugars.
Hence, option (3) is incorrect.
Cell membrane regulates diffusion, because the cell membrane contains the semi-permeable membrane which allows only lipids and certain small molecules in the cell.
Hence, option (4) is correct.
Therefore, the Cell membrane regulates diffusion, in both plants and animal cells.
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How would the soil biota be afected by using traditional chemical pesticides and would this difer from using transgenic methods
Answer:
The impact of pesticides on soil biota can be either positive or negative, depending on the type of pesticide used. Genetically modified organisms (GMOs) are generally designed in order to be more resistant to pesticides, thereby GMOs might have a higher impact on the soil biota (however, the evidence is not conclusive and case by case should be evaluated)
Explanation:
Traditional chemical pesticides are chemical substances used to control pests (e.g., insect pests affecting corn yield). Examples of traditional chemical pesticides include 2,4-Dichlorophenoxyacetic Acid, DDT, Atrazine, Chlordecone, etc. The impacts of these traditional pesticides on soil biota are variable according to the type of product used, the rate at which these products are applied, the target/non-target soil biota (e.g., bacteria, algae, fungi, protozoa, insects, nematodes). For example, it has been reported long-term contamination of DDT on soil microflora (i.e., microalgae and cyanobacteria), thereby these non-target species declined with increasing DDT use; however, direct effects on fungi populations were not observed. Genetically modified organisms (GMOs) are organisms whose DNA has been engineered by using molecular biology techniques. In crop improvement, GMO plants are designed to be more resistant to chemical pesticides and also to produce pesticides themselves, for example, Bt crops that produce a toxin from Bacillus thuringiensis (Bt) that can kill insect pests. GMO plants can also be designed to be more resistant to pesticides, thereby affecting soil biota at higher scale values. Nonetheless, it is important to highlight that like chemical pesticides, the effects of GMOs on soil biota are also variable depending on the type of GMO, which pesticide GMO is producing, target/non-target soil species, etc.
True or False: A neuron's response is all-or-nothing.
Answer:
TRUE
Explanation:The all-or-none law is a principle that states that the strength of a response of a nerve cell or muscle fiber is not dependent upon the strength of the stimulus. ... Essentially, there will either be a full response or there will be no response at all for an individual neuron or muscle fiber.
Answer: True
Explanation:
Neurons are either classified by their structural differences or their ? differences.
Which is NOT a force causing plates to move?
ridge push
slab pul
volcanism
ConveCtion
Ob
Plates movement also known as tectonic shift is caused by ridge push, slab pull and convection. Volcanism is not involved in plate movement. Thus, correct option is C.
Which forces causes Plates Movement?The heat within the interior of the planet causes the plates to move, sometimes toward and sometimes away from each other. This movement is called plate motion or tectonic shift.
The forces that drive plate movement includes convection in the mantle, ridge push and slab pull. The heat from radioactive processes within the planet's interior causes the plates to move.
Convection currents are the process in which materials inside the mantle heat up and rise to the surface and the cooler liquid sinks, as the cooler liquid sinks it then heats up and rises again. These currents cause the tectonic shift.
Slab pull is the pulling force exerted by a cold and oceanic plate to plunge into the mantle due to its weight. The theory states that difference in density causes the plate to sink into the mantle.
Therefore, the correct option is C.
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The Drosophila genes for white eyes (w), cut wings (ct), and tan body (t) lie at map positions 2.00, 15.0, and 21.0, respectively. Of 1000 progeny, 7 are double crossovers. What is the degree of interference
Answer:
The coefficient of interference, I, is 0.1 (10% expressed as a percent)
Explanation:
Available data:
genes for white eyes (w), cut wings (ct), and tan body (t) lie at map positions 2.00, 15.0, and 21.0, respectivelyOf 1000 progeny, 7 are double crossovers.The coefficient of interference, I, is complementary with CC.
I = 1 - CC
To calculate the coefficient of coincidence, CC, we must use the next formula:
CC= observed double recombinant frequency/expected double recombinant frequency
Note:
observed double recombinant frequency=total number of observed double recombinant individuals/total number of individuals expected double recombinant frequency: recombination frequency in region I x recombination frequency in region II.By knowing the positions of genes, we can estimate the distances in MU between them per region.
The distance between w and ct genes is 15 - 2 = 13 MUThe distance between ct and t genes is 21 - 15 = 6 MUNow that we know the distances, we can estimate the recombination frequencies by dividing each distance by 100.
recombination frequency of w-ct region = 13MU / 100 = 0.13recombination frequency of ct-t region = 6MU / 100 = 0.06Now that we know the recombination frequencies in each region, we can calculate the expected double recombinant frequency, EDRF, like this:
EDRF = recombination frequency in region I x recombination frequency in region II.
EDRF = 0.13 x 0.06 = 0.0078
Now, by knowing the total number of individuals in the progeny (1000) and the number of double crossovers (7), we can calculate the observed double recombinant frequency, ODRF:
ODRF = number of double crossovers / total number of individuals
ODRF = 7/1000 = 0.007
Finally, with the values of EDRF and ODRF, we can calculate the coefficient of coincidence, CC.
CC = ODRF/EDRF
CC = 0.007 / 0.0078
CC = 0.9
And by knowing the CC we can also get the coefficient of interference, I.
I = 1 - CC
I = 1 - 0.9
I = 0.1 = 10% (expressed as a percent)
If the human genome is three billion base pairs long, estimate the average number of SNPs in the human genome.
Answer: 500,000
Explanation: Friend me!!! :D
SNPs are said to be found in the human DNA. They do occur almost once in every 1,000 nucleotides. There are about 4 to 5 million SNPs in a person's genome.
SNPs is found all over the human genome. It is states that about one SNP is found in every 300 nucleotide base pairs. This shows that that about 10 million SNPs within the 3-billion-nucleotide human genome.
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11. A teacher is showing the class a portion of protein synthesis. Which of the
descriptions below describes the process of translation?
3 marks) Compare the ingredients in D5NS to plasma in real blood. List 3 ingredients that are present in real blood plasma that are not present in D5NS.
Answer: The D5NS is a fluid used for maintaining the blood glucose level whereas plasma is a liquid matrix in which red blood cells, platelets, and white blood cells are suspended.
Explanation:
The D5NS is a solution of 5% of dextrose in the normal saline in addition it also contains saline 0.9% NaCl. It is used for intravenous glucose treatment. It is used for patients that have low blood glucose level and to maintain the electrolytic balance. Plasma on the other hand has a composition of water, hormones ,electrolytes, lipids, salts, proteins, fibrinogen, clotting factors, and immunoglobulins.
The blood plasma is a liquid matrix which comprises of proteins, fibrinogen, clotting factors, and immunoglobulins (antibodies) which are not present in the D5NS.
Explain how the biosphere receives
phosphorus and nitrogen from the abiotic
realm?
The
connects the middle ear to the outer ear and equalizes the pressure there with the outside atmosphere.
Answer:
eustachian tube i think lol
Explanation:
The passing of electrons along a series of molecules, releasing energy bit- by-bit as they go, is called the 1. Calvin Cycle 2. the Citric Acid (Krebs) Cycle 3. the electron transport chain (ETC) 4. an aerobic process
Answer:
Cycle 3: The electric transport chain!
Volcanoes can form near coastal regions where an oceanic plate [blank] below a continental plate
Answer:
Subducts
Explanation:
According to Merriam Webster and TheFreeDictionary, the definition of subduct is "A geologic process in which one edge of one crustal plate is forced below the edge of another." Since this sentence indicates that an oceanic plate sinks under the continental plate, therefore I believe the fill-in-the-blank word would be 'subducts' or a similar word.
How do a chromosome, a gene, and an allele differ?
How are they similar?
A gear ratio is defined as which of the following?
a
output teeth of gear : input teeth of gear
b
input teeth of gear : output teeth of gear
c
speed : torque
d
torque : speed
HELP
Answer:
D
Explanation: