1. The United Nations Secretariat has adopted a new 10-year Climate Action Plan aimed at transforming its operations to achieve a 45 per cent reduction in greenhouse gas emissions and sourcing 80 per cent of electricity from renewable energy by 2030.
What are some examples of commensalism in an ecosystem?.
How many megaspores and how many sperm cells are involved in a double fertilization event?.
Explanation:
In the megasporan- gium of each ovule, the megasporocyte divides by meiosis, producing four megaspores. One survives and forms a female gametophyte. Fertilization: In nucleus of developing endosperm-- Double fertilization occurs. One sperm fertilizes the egg, forming a zygote.
Which two data types can be used to store the sentence "Click to open. "?
character
string
float
Boolean
array
Answer:
String and array
Explanation:
A string can store any type of text as long as it is encased in quotation marks (" ").
Since "Click to open." is a string, it can be stored in array because arrays are able to store strings.
Which statement correctly describes a step in the carbon cycle?.
Answer:
Explanation: step 1 Carbon enters the atmosphere as carbon dioxide from respiration (breathing) and combustion (burning). The Carbon Cycle Step 2 Carbon dioxide is absorbed.
how does the digestion of food take place in small intestine ? explain
Explanation:
Digestion works by moving food through the GI tract. Digestion begins in the mouth with chewing and ends in the small intestine. As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules.
Genetic information is stored in which type of macromolecule?
a. nucleic acid
b. carbohydrate
C. lipid
d. protein
Which term names the grid used to predict the result of genetic crosses? Question 6 options: Allele tracker Gene table Offspring predictor Punnett square.
The correct answer is Punnett square as this is the grid used to predict the result of genetic crosses.
Genetic crosses of single gene combos (monohybrid inheritance) may be proven and tested by the use of Punnett squares. this indicates the viable offspring combos will be produced, and the possibility of those combos may be calculated.
What is the use of Punnett square in genetics?The Punnett square is a square diagram this is used to are expecting the genotypes of a specific pass or breeding experiment. It is called after Reginald C. Punnett, who devised the method in 1905. The diagram is utilized by biologists to decide the possibility of an offspring having a specific genotype.
Therefore it is explained above the grid used to predict the result of genetic crosses are Punnett square.
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12. Which example below best illustrates active transport?
a. Water molecules move into red blood cells placed in pure water causing them to swell and to burst.
b. Glucose molecules move into animal cells through membrane proteins from a region of higher concentration to
a region of lower concentration.
c. Sodium ions
are pumped from a region of lower concenitation to a region of higher concentration in the nerve
cells of humans.
d. Food coloring molecules spread out in a cup of water when a drop of dye is added to the solution.
Answer:
c. Sodium ions are pumped from a region of lower concentration to a region of higher concentration in the nerve cells of humans.
Explanation:
explain various ways in which typical cell is adapted to its function
Answer:
Many cells are specialised. They have structures that are adapted for their function. For example, muscle cells bring parts of the body closer together. They contain protein fibres that can contract when energy is available, making the cells shorter.Apr 9, 2019
Explanation:
Why is abscisic acid also known as stress hormone?
Answer:
Abscisic acid is referred to as a stress hormone as it causes different plant responses acting against stress conditions. It facilitates the seed dormancy and ensures the seed germinates under favorable circumstances. It also causes the closing of stomata when there is a drought.
The cardiovascular system is composed of the heart, blood vessels, and blood. Which is the best analogy to this system and its parts? a car engine, a gas tank, and gasoline a coffee maker, coffee filters, and coffee a water pump, water pipes, and water a can of paint, the pressure of a hand, and paint.
The best analogy for the cardiovascular system composed of heart, blood vessels and blood will be (3) a water pump, water pipes, and water.
The cardiovascular system is also called the circulatory system. It is composed of various organs that work together in coordination to supply the oxygenated blood to the whole body and remove the deoxygenated blood.
Heart is the main pumping organ of the circulatory system. It comprises of 4 chambers: 2 ventricles below and 2 atria above. The left portion of the heart deals with oxygenated blood while the right portion of the heart deals with deoxygenated blood.
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Answer:
a. a car engine, a gas tank, and gasoline
Explanation:
Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature
Answer:
Many snakes prefer to move around during the day, when they can alternately bask in the sun's heat and slither into shadows to regulate their body temperatures. As cold-blooded animals, or ectotherms, snakes rely on the environment to keep their bodies at optimum operating temperatures.
Explanation:
The two strategies that a rattlesnake use to conserve energy and regulate body temperature are- 1.) Snake can move into the shade 2.) It can sweat to evaporate the water off the skin to lower the temperature. Options A and D are correct.
Behavioral thermoregulation- Rattlesnakes are ectothermic. This means that their body temperature is mainly regulated by the environment they live in. Rattlesnakes exhibit thermoregulatory behaviors to conserve energy and regulate body temperature.
Rattlesnakes enter torpor when resources are limited or the environment is unfavorable. During torpor, the rattlesnake’s metabolic rate slows down, allowing it to conserve energy. This process slows down the snake’s physiological processes and lowers its body temperature.
This process can occur during hibernation in cold climates or when the environment is unfavorable, such as during drought or when there is a lack of food. This allows the rattlesnakes to adapt to challenging conditions with minimal energy expenditure.
Therefore, the correct options are options A and D.
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Your question is incomplete but most probably your full question was-
Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature?
A) The snake can move into the shade in order to lose the thermal energy of the environment and lower its body temperature.
B) The snake can shiver in order to increase its metabolism and raise its body temperature.
C) The snake can move into the sun or sit on a warm rock in order to gain thermal energy and raise its body temperature.
D) The snake can sweat in order to produce water that will evaporate off its skin and lower its body temperature.
Which type of epithelial tissue would allow oxygen to quickly pass through it.
Answer:
Simple Squamous is a type of epithelial tissue that would allow oxygen to quickly pass through it.
how to do well in sience
Answer:
At least, you can read Dr. Stone to get some inspiration ᕦ(ò_óˇ)ᕤ
Explanation:
Maybe just read and watch some science-heavy fictions. Honestly, I learn science best from watching explanations on how some character's superpowers or sci-fi weapons work.
Which best explains why males have a greater probability of being color blind than females?
A. Males only have to inherit the allele on the Y chromosome to be color blind.
B. Males only have to inherit the color blindness allele once to show the trait.
C. Males have to inherit two copies of the color blindness allele to show the trait.
D. Males have to inherit the allele on two X chromosomes to be color blind.
Answer: Since it's passed down on the X chromosome, red-green color blindness is more common in men. This is because: Males have only 1 X chromosome, from their mother. If that X chromosome has the gene for red-green color blindness (instead of a normal X chromosome), they will have red-green color blindness.
Explanation:
Eukaryotic promoters contain the sequence TATAAT at the ______ position from the transcription start.
In cardiac muscle, the fast depolarization phase of the action potential is the result of.
Answer:
In cardiac muscle, the fast depolarization phase of the action potential is the result of: Increases membrane permeability to sodium ions. calcium channels remaining open. the refractory period lasts until the muscle relaxes
Explanation:
What is the uses of lipids
Answer:
The body uses lipids as an energy store, as insulation and to make cell membranes.
Explanation:
Lipids include fats (solid at room temperature) and oils (liquid at room temperature). Lipids are an important part of a healthy diet.
Electrical stimulation of the brain (ESB) is used on humans during brain surgery to map out ___________. A. Nerves and neural pathways B. Impulses and nerve functions C. Blood flow and mental activity D. The brain and critical structures Please select the best answer from the choices provided A B C D.
Answer:
Electrical stimulation of the brain (ESB) is used on humans during brain surgery to map out the brain and critical structures.
^_________^ <3
True or false? Both your eyeballs and stomach cells have the exact same DNA.
When we make inferences about one population proportion, what assumptions do we need to make?.
Answer:
It is necessary to make the following assumptions when making inferences about a group of people based on a sample of subjects drawn from that group:
Data is quantitative in nature.A sample size of 30 or more is required.The data set must consist of a simple random sample.A Normal Distribution must be present in the data.The data must come from a sample that isn't all the same size so that it can be generalized well.
The sample size must be at least 30 or more, according to the central limit theorem.
Mean and standard deviation are two examples of quantitative data from which statistical conclusions can be drawn.
To avoid bias, the sample size should be increased rather than the distribution skewed.
Explanation:
I hope this helps you
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Natural selection lab report. WILL GIVE 100 POINTS guide and info included.
potanginaaaaaaaaaaaaaaaaa
Answer:
potangina
Explanation:
There are _____ unique amino acids in the human body.
Answer:
there are at least 2 amino acids in the human body
What is a gene?
A. a single chromosome that is not
replicated
B. a double stranded chain of base pairs that
lives in the nucleus
C. factors that are passed from parents to
offspring
D. the beginning sequence of DNA that tells
a ribosome where to attach and transcribe
A gene is a factor that is passed from parents to offspring.
What is a gene?A gene is a segment of a chromosome that codes for the expression of traits.
A gene can also be defined as a factor of inheritance that can be transferred from parents to offsprings.
A gene is located on a part of the chromosome called locus (plural - loci).
Therefore, a gene is a factor that is passed from parents to offspring.
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growth of a plant in response to light is called____.
Answer:
it might be photosynthesis?
If the US modifies techniques for timber management, it is expected that US forests will _______. A. Not be able to meet long term timber needs b. Be able to meet long term timber needs c. Result in deforestation d. Provide increasingly cheaper timber.
If the US modifies techniques for timber management, it is expected that US forests will be able to meet long term timber needs.
Sustainable forest management practices, such as selective logging, reforestation, and conservation measures, can help ensure the long-term productivity and health of forests while also providing for the needs of society.
Adopting these techniques can help reduce the impact of logging on forest ecosystems, prevent deforestation and forest degradation, and promote biodiversity and ecosystem services. Additionally, sustainable timber management can provide economic benefits to communities while protecting the long-term value and productivity of forest resources.
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Which organism would the researchers most likely predict to be the most distantly related to eukaryotes?.
Answer:
Organism I (circular chromosomes)
Explanation:
I can eliminate organisms II, III, and IV because these organisms have linear chromosomes therefore making it the most closely related to eukaryotes because they consist of linear chromosomes. My only other choice would be organism I, and since it has circular chromosomes we can conclude that this is the most distantly related to eukaryotes.
The organism I is most likely predicted to be the most distantly related to eukaryotes by the researchers.
What do you mean by Eukaryotes?Eukaryotes may be defined as any cell or organism that possesses a clearly defined nucleus and other cell organelles.
Except for organism I, all other organisms possess a linear set of genetic material, while organism I possess a circular set of chromosomes which is closely related to prokaryotes.
Therefore, the organism I is most likely predicted to be the most distantly related to eukaryotes by the researchers.
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True or False: Aerobic respiration produces much more ATP than fermentation, but the process is slower than in fermentation.
Answer:
True!
Explanation:
Fermentation takes place at an anaerobic state so Compared to respiration the fermentation produces less efficient energy. The breakdown of single glucose during fermentation produces two ATP.
ATP
Adenosine triphosphate
After reading the article, are you convinced of an answer to the main question of the article: “Could our distance from nature and our chronic immunological discontent be related
Yes, our distance from nature and our chronic immunological discontent could be related. Nature may be the cause of allergic problems.
What is an allergy?Allergy is a common immune response produced by certain substances that alter the stability of the immune system.
Allergy may be caused by different materials present in nature that alter our immune system.
For example, pollen grains may cause allergic responses such as inflammation and thus produce chronic immunological problems.
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How can sickle cell disease
sufferers inherit sickle cell?
Answer:
hi!
Explanation:
If 2 parents are carrying sickle cell with them, if there child receives 1 different copy from each of the parents, they have sickle cell. but those parent's who are carrying the sickle cell do not get it, they can only pass it down. So if a child gets a Sickle cell gene (S), and a sickle cell gene (A) they get sickle cell.
I hope this helped! If it didnt, ill fix my answer! just let me know!
