Answer:
im not smart but i love chicken
Explanation:
bc
Answer:
carbonic acid
Explanation:
The ___ covers a very large part of Canada.
A. Artic island
B. tundra
C. Canadian shield
Photosynthesis is a process by which plants and animals
make their food in the presence of sunlight, water and
carbon dioxide.
True or false?
NEED HELP ASAP
Photosynthesis is a process by which plants and animals make their food in the presence of sunlight, water and carbon dioxide.
True
If DNA read A-T-T-A-C-G-G-C-C what would the RNA read? Why is DNA replication important?
If DNA read A-T-T-A-C-G-G-C-C the RNA would be U-A-A-U-G-C-C-G-G
DNA replication is important because new cells require their own strand of the DNA. Without replication, there would be no new organisms because the DNA’s information would not be passed on.
what's an example of a stable element
Answer:
All the noble gases in group 18 of the periodic table are stable in nature because they have complete octet configuration.
they are:
Helium (He)Neon (Ne)Argon (Ar)krypton ( kr )radon Xenonglad to help you...
What is the function of the Cornea?
Answer:
The function of the cornea is it acts as the eye's outermost lens. It functions like a window that controls and focuses the entry of light into the eye. The cornea contributes between 65- 75 percent of the eye's total focusing power.
Explanation:
In the Three Domain system of taxonomy, living things are first placed in three groups based on the outstanding features of their cell structures. What aspect of cell structures do most animals and plants share in common to set them in the shared domain, “Eukarya”?
A. cell structures defined by cell membranes
B. an undefined nucleus
C. chlorophyll structures
D. rigid cell walls
Answer:
It is A
B is prokaryotes
C is only plants or cells that use photosynthesis and eukarya are broader than that
D is too specific as well as many eukarya don't have rigid cell walls
Explanation:
Every element in the first period has _____ shell for its _____. Every element in the second period has _____ its _____.
Answer:
Every element in the first period has 1 shell for its electrons. Every element in the second period has 2 shells for its electrons
What is the correct sequence of molecules involved in protein synthesis from beginning to end?
mRNA → tRNA → DNA → Protein
mRNA → tRNA → DNA → Protein
DNA → mRNA → tRNA → Protein
DNA → mRNA → tRNA → Protein
DNA → mRNA → Protein → tRNA
DNA → mRNA → Protein → tRNA
tRNA → Protein → mRNA → DNA
Answer:
DNA → mRNA → tRNA → Protein
DNA → mRNA → tRNA → Protein
Explanation:
This is because during protein synthesis, DNA is use to make RNA in the process called transcription. The DNA double strand is unwind by an enzyme called RNA polymerase to produce mRNA in the nucleus. The trans is produced in the nucleolus by RNA polymerase 1 and the site then binds aminoacyl tRNAs which is assembled in the RIBOSOMES. The tRNA are then translated into protein.
13. Which shows the order of increasing ionization energy?
a. Si, Al, Mg, Na
b. Ga, Ge, As, Se
c. Be, Mg, Ca, Sr
d. F, Cl, Br, I
Answer:
d
Explanation:
What is the function of the leaves of a plant?
A: to absorb food
B: to absorb light
C: to produce seeds
D:to produce flowers
how much body parts does a blue whale have ?
What are some living and non living things that change mountains over time?
Answer:
Rocks are important to the mountain ecosystem they can provide homes for animals like Pika and Ermine. Pika and Ermine can live in stacks of rocks. Soil is also important, it can provide homes for example Ermine can live in burrows. Another non living thing that helps the mountain ecosystem is water.
Explanation:
How is snow useful to animals in the Tundra?
Group of answer choices
It creates and insulated environment from the cold
It provides an ample water source
Many hearty species of plants grow in snow.
Snow is the perfect camouflage for all Tundra animals
If you had a fertilizer that was labeled 20-20-20 on a 50 pound bag, how many pounds of N-P-K each would there be?
Answer:
i think that means it is even so 16.33333333333 but i dont know so dont use me i am just trying to give ideas
Explanation:
help please !!! i don’t understand how to get the phenotype ratio
Answer: okay so it would be three dominant and one recessive
Explanation:
helppp, i’m going to fail:(
What is one major difference between viruses and bacteria?
A Viruses can make you sick; bacteria can't
B Viruses can be neutralized by stomach acids; bacteria can't
C Bacteria can be treated with antibiotics; viruses can't
D Bacteria can cause infections; viruses can't
Answer:
C. Bacteria can be treated with antibiotics; viruses can't
Explanation:
Antibiotics are meant to kill living pathogens. They don't work on viruses because viruses aren't actually alive, per se.
Have a great day!
When a weather forecaster predicts a "low pressure system will pass through the area, what type of weather should be expected? (1 poi
A. sunny, fair weather
B. much colder weather
C. a severe storm such as a hurricane
D. clouds and possible precipitation
When a weather forecaster predicts that "a low pressure system will pass through the area, cloudy and potentially rainy weather should be expected". So, the correct option is (D).
What is Weather?Weather is defined as a mixture of events that occur every day in our environment that vary in different parts of the world and vary over a period of minutes, hours, days and weeks. Most of the weather occurs in the troposphere, the part of Earth's atmosphere that is closest to the ground.
Weather is controlled by changes in air pressure, so air pressure is caused by the weight of the large number of air molecules that make up the atmosphere. Thus, when the sky is clear and blue when the air pressure is high where high pressure causes the air to flow downward and when it reaches near the ground it prevents clouds from forming and when The air pressure is low so the air flows together and then moves upwards where it converges, rises, cools and forms clouds.
Thus, when a weather forecaster predicts that "a low pressure system will pass through the area, cloudy and potentially rainy weather should be expected". So, the correct option is (D).
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What is the role of deoxyribonucleic acid (DNA) in organisms?
A.
It is the messenger between RNA and the protein-synthesis ribosomes.
B.
It is the filter of the cell's cytoplasm, keeping the cell free of waste.
C.
It is the controller of substances entering and exiting a cell through the cellular membrane.
D.
It is the cell's method of storage and transmission of genetic material.
Answer:
it is D
Because the DNA have all our genetical storage
Answer:
A. It is the messenger between RNA and the protein-synthesis ribosomes.
ahh sorry I didn't mean to answer it as a question ahaha
Explanation:
DNA contains the instructions an organism needs to develop, live and reproduce
What is a good real-life analogy for ribosomes? I'm thinking factory, but I want to say something different.
Answer:
Ribosome are like a factory, because ribosomes make proteins like factories make different products. The cell membrane is like a security guard, because the cell membrane controls what goes in and out of a cell like a security guard controls who goes in and out of the gate. I hope this helps!
Explanation:
POSSIBLE POINTS 3
A cell whose cytoplasm has a concentration of 2% glucose is placed in a test tube containing a 1% glucose solution. How would you describe the
solution outside the cell?
hypertonic
isotonic
hypotonic
saturated
Farmer Betty is famous for her winged pigs. Having wings (G) is dominant over not having wings (g). Farmer Betty mates a winged pig to one without wings (GG x gg) and all of the offspring are heterozygous (Gg). Do the heterozygous piglets have wings?
Question 7 options:
Half of them do
Yes, but just one
Yes
No
In a heterozygous organism, the recessive trait is concealed by the dominant one. Option C is correct. All Heterozygous piglets have wings.
Law of inheritance:
When two pure parents are crossed, in the first generation all the offsprings will be heterozygous and show dominant character only.
In the Given scenario,
Winged pigs (G) are dominant over the non-winged pigs(g).
The cross is
(GG x gg)
In the F1 generation, all pigs are heterozygous.
Since all winged pigs are dominant over the non-winged pigs.
Therefore, Option C is correct. All Heterozygous piglets have wings.
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Why do you only need one copy of a dominant trait gene to have that trait?
Answer:
because dominant traits cover up the recessive ones. Hence why they are called dominant.
Explanation:
help rn i know u see this
Rose conducted an experiment to study the effect of temperature change on the heart rate of Daphnia, transparent aquatic invertebrates commonly known as water fleas. She heated three different beakers of water containing Daphnia to a different temperature: 30°C, 32°C, and 34°C. She put a drop of water from each beaker on a slide mount and used a microscope to observe Daphnia in each sample. She counted the number of heartbeats in one minute and averaged her results. Which of the following could be a step in a replication of this experiment?
Answer:
Rose's classmate Mina observing Daphnia in water at 30°C, 32°C, and 34°C.
A step in replication of Rose's experiment could be to repeat the procedure of heating three different beakers of water containing Daphnia to 30°C, 32°C, and 34°C, counting the number of heartbeats in one minute for each sample using a microscope and slide mount, and averaging the results.
What is Daphnia?Daphnia, also known as water fleas, are small, transparent aquatic invertebrates that are commonly used in scientific experiments to study the effects of environmental factors on living organisms. In many experiments, Daphnia are subjected to changes in temperature, light, oxygen levels, and other variables to determine how these changes impact their behavior and physiology.
One example is studying the effect of temperature on heart rate, as done by Rose in the experiment described above. The use of Daphnia in experiments is beneficial because they are easy to culture, reproduce quickly, and are small and simple enough to be easily manipulated in the laboratory. Additionally, because Daphnia are freshwater organisms, they are particularly sensitive to changes in their environment, making them useful for investigating the impacts of various stressors on aquatic ecosystems.
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which steps of the greenhouse effect are most affected by the increases in greenhouse gases, leading to increase in heat?
Answer: Greenhouse gases arise naturally, and are part of the make-up of our atmosphere. Earth is sometimes called the “Goldilocks” planet – it’s not too hot, not too cold, and the conditions are just right to allow life, including us, to flourish. Part of what makes Earth so amenable is the naturally-arising greenhouse effect, which keeps the planet at a friendly 15 °C (59 °F) on average. But in the last century or so, humans have been interfering with the energy balance of the planet, mainly through the burning of fossil fuels that give off additional carbon dioxide into the air. The level of carbon dioxide in Earth’s atmosphere has been rising consistently for decades and traps extra heat near the surface of the Earth, causing temperatures to rise.
Explanation:
Which of the following BEST summarizes the soil progression from top to bottom?
There is a decline in the amount of nutrients and a decrease in solidification.
There is an incline in the amount of nutrients and an increase in solidification.
There is an incline in the amount of nutrients and a decrease in solidification.
There is a decline in the amount of nutrients and an increase in solidification.
Answer:
There is a decline in the amount of nutrients and an increase in solidification.
Explanation:
There are many layers that constitute the formation of the soil. The layers of the soil are termed as horizons. The upper layer or the topsoil is rich in organic matter. The dead and decaying matter are constituted in the upper layer. Below each layer the level of organic material decreases. The bottom layer is the bedrock. The soil becomes hard and tough from top to bottom.
Answer:
There is a decline in the amount of nutrients and an increase in solidification.
Explanation:
The correct answer is There is a decline in the amount of nutrients and an increase in solidification. The top layers of soil are rich in nutrients but are very malleable. As the layers go deeper into the Earth, the nutrient content drops while the soil becomes harder.
When people visit a doctor or go to hospital, their mass and blood pressure are often checked, and they are asked whether they smoke. Construct an argument to support including a question on alcohol consumption as part of this basic health check.
Answer:
Answer below:
Explanation:
Alcohol can cause many health issues. Wouldn't you like to feel safer and healthier? You can be if a question about alcohol consumption is asked of you at a medical center.
Hope this helps!
3
Which of these is a part of our solar system?
a star
C a pulsar
B a galaxy
Da black hole
Explanation: Gas ejected from the Sun which fills the inner Solar System
Answer: C: a pulsar
How does the respiratory system help maintain homeostasis?
Answer:
1. High Co2
2. signal sent to respiratory control center
3. The diaphragm acts to increases breathing
4. The lungs bring in O2 and release CO2.
5. The decrease in CO2 reestablishes homeostasis
Explanation:
The respiratory system is an example negative feedback
High Co2 --> a signal is sent to the respiratory control center to increase breathing. --> The diaphragm acts to increases breathing. The lungs bring in O2 and release CO2. The decrease in CO2 reestablishes homeostasis
What causes a shooting star
Answer:
Explanation: