Answer:
b. garbage releases toxins that can cause land and air pollution
Explanation:
Non biodegradable materials are those materials like plastic, nylon, runner etc. that cannot be broken down by microbial action, hence, cannot be decomposed. These materials constitutes waste materials in our environment and cause pollution, which is the release of toxic or harmful substances into our immediate environment.
Recycling or reusing of these non-biodegradable waste is one of the ways to lessen the garbage in the environment. Once the garbage are lessened, the level of pollution is automatically being minimized. This is because garbage releases toxins that can cause land and air pollution.
Answer:
1
Explanation:
1
Look at the images of different rocks.
Which two rocks have a fine-grained texture?
1 and 5
2 and 3
3 and 5
4 and 1
Answer:
1 and 5
Explanation:
Image 1 and 5 actually show fine-grained textures of rocks.
Fine-grained textures actually indicates that magmas that are formed at or near the earth's surface cool rapidly. It's known that when magmas cool fast, they prevent very large crystals from growing. When hand samples of fine-grained rocks are taken, they appear homogeneous throughout the rock.
Answer:
1 and 5
Explanation:
amino acids are linked together to make proteins by removing a molecule of in a process called
what conditions are important for plants to be able to grow
Answer:
sunlight, soil, water
Explanation:
Use the drop-down menus to identify the scientists who match the descriptions below.
found that animals are composed of cells
found that plants are composed of cells
looked at cork through a compound microscope
declared that all living cells can only come from other living cells
called living cells “animalcules
Answer:
the answers are;
1. Theodor Schwann
found that animals are composed of cells
2. Matthias Schleiden
found that plants are composed of cells
3. Robert Hooke
looked at cork through a compound microscope
4. Rudolph Virchow
declared that all living cells can only come from other living cells
5. Anton van Leeuwenhoek
called living cells “animalcules”
hope this helps! plz put me as the brainiest!
where can the fewest h+ ions be found on the pH scale, and the fewest OH- ions
The lowest [tex]H^+[/tex] concentration on the pH scale would be 14 while that of the [tex]OH^-[/tex] concentration would be 0.
pH ScaleThe pH scale ranges from 0 to 14 with 0 being the most acidic and 14 being the most basic or alkaline.
The more the [tex]H^+[/tex] concentration of a substance, the lower the pH, and the more the [tex]OH^-[/tex] concentration, the higher the pH.
Thus, at the lower extreme of the pH scale, the concentration of [tex]OH^-[/tex] is fewest, and at the higher extreme, the concentration of [tex]H^+[/tex] is fewest.
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why didn't Darwin see creatures living in the ocean?
Answer:
Cuz he blind
Explanation:
What came first: chicken or egg?
Answer:
egg
Explanation:
Which of the following is NOT a function of the catalyst?
Answer:
the correct Question is B-
Explanation:
A catalyst increases the rate of a chemical reaction by decreasing activation energy. So I used the power of marking out the ones i knew were incorrect. Hope this helps.
This diagram shows DNA fingerprints for a child and four adults.
Which adult is most likely a parent of the child?
Answer:
probably parent 4 but I could be wrong bc look at the bottom of the scans the match kind of.
Explanation:
Answer: Adult 4
Explanation: There patterns match they are similar. :)
The process of transferring energy during respiration occurs in a series of steps. This prevents too much heat from being released at one time. Maintaining an appropriate temperature is beneficial to an organism because A) enzymes need a proper range of temperatures to catalyze vital reactions B) cellular waste products can only be excreted in cooler temperatures C) hormones can only produce antibodies if temperatures are not excessive D) nutrients diffuse faster into cells when temperatures are lower
Answer:
A) enzymes need a proper range of temperatures to catalyze vital reactions
Explanation:
Cellular respiration is the process by which living cells synthesize ATP (energy). The synthesized energy is transferred for use in other activities. However, as stated in this question, the process of transferring energy during respiration occurs in a series of steps in order to prevent too much heat from being released at once.
The process whereby the living organism maintains an appropriate internal temperature is called HOMEOSTASIS, which is beneficial and key to an organism's survival because because enzymes need a proper range of temperatures to catalyze vital reactions. Enzymes are proteinous catalysts that gets denatured by certain factors such as high temperature, pH.
In a food web, the arrows point from one organism to the organism it eats. True or false
Answer:
False
Explanation:
In a food wed the arrows point to the animal that will eat the organism it's pointing away from
What organ in the circulatory system is made up of cardiac tissue?
O The stomach
O The lungs
O The skin
O The heart
Answer:
the heart
Explanation:
Cardiac muscle tissue is only found in your heart, where it performs coordinated contractions that allow your heart to pump blood through your circulatory system.
Compare and contrast sexual and asexual reproduction, including the advantages and disadvantages of each process.
Answer:
What are the advantages and disadvantages of both asexual and sexual reproduction?
Comparison chart
Asexual Reproduction Sexual Reproduction
Advantages Time Efficient; no need to search for mate, requires less energy Variation, Unique., organism is more protected
Disadvantages No variation - if the parent has a genetic disease, offspring does too. Requires two organisms, requires more energy
Answer:
Prokaryotes and eukaryotes vs. only eukaryotes
Mitosis and binary fission vs. meiosis
Both forms of reproduction
Two vs. four cells produced
Diploid vs. haploid cells produced
Advantages or disadvantages of each
Explanation:
One explanation for why polar regions are colder than equatorial regions is that
Answer:
Sunlight strikes at an different angle
Explanation:
Active transport occurs in cells, for example, when the Na-K pump is at work. Any process that involves active transport most often involves the
Select one:
a. movement of molecules without any predictable pattern.
b. movement of molecules from a lower concentration to a higher concentration.
c. movement of molecules from a higher concentration to a lower concentration.
d. movement of molecules from a lower to higher concentration and then back to the point of origin.
1. Which limiting factor(s) in this lab simulation are biotic? The biotic factor is alligator and the mosquito. 2. Which limiting factor(s) in this lab simulation are abiotic? 3. Which limiting factor impacted the cricket frog population the most? Use evidence to support your answer.
Since, the question is incomplete the complete question is as follows:
Limiting Factors Lab Report Instructions: In this lab, you will investigate how limiting factors affect a population of cricket frogs in the Florida Everglades. Your scientific inquiry will focus on three limiting factors: food, predators, and pollution. Complete the following lab report to record your observations as you move through the simulation.
1. Which limiting factor(s) in this lab simulation are biotic? The biotic factor is alligator and the mosquito. 2. Which limiting factor(s) in this lab simulation are abiotic? 3. Which limiting factor impacted the cricket frog population the most? Use evidence to support your answer.
Answer: 1. predator
2. food and pollution
3. predator
Explanation:
1. The predator is the biotic limiting factor in this simulation because the predator can feed on the population of cricket frogs, and will reduce their population size.
2. The food and pollution are the abiotic limiting factors as they are non-living. If the cricket frogs do not get food they will die and the pollution in the air or water can reduce their life span.
3. The predator population affected the cricket population the most as they were available as a good source of food for the predators.
Answer: 1. predator 2. food a pollution 3. also predator
Explanation: I don't really have an explanation
Which molecule is the most common/plentiful molecule in our cells?
Answer:
water
Explanation:
Cells are composed of water, inorganic ions, and carbon-containing (organic) molecules.
Recently in Antarctica, a penguin with all black feathers was
discovered. This trait had never been seen before. What is
the likely source for this "new" trait?
The penguin in question has a rare genetic mutation called melanism, which makes skin, fur, and feathers black due to a high concentration of the pigment melanin. It's basically the opposite of albinism, which is caused by a lack of pigment.
Which of these are alive?
A).potato.
B).potato chips.
C)gym socks.
Answer:
A) potato
Explanation:
Please help me i don’t understand this
Answer: So this is like a food chain chart. The animals at the top are one top of the food chain and do not get eaten by anything; they dont have any predators. This chart goes from bottom up. So the plants have arrows pointing to animals. Those animals that the plants are pointing to are the animals that eat that plant. And then those animals point to another animal higher on the chain and those animals that are higher eat the animals that are lower than them and have the arrow pointing at them. So the snake is pointing to the owl because the owl eats the snake. The frog is pointing to the snake because the snake eats the frog. And the list on the side of the chart is just a list of different kinds of animals. I dont remember what each of them are so you are going to have to find out what element is missing.
Explanation:
. Think of a type of cell that would frequently divide
Answer:
mostly any type of cell would but i think some of them are skin cells, the reason is because as you keep growing the body need to produce more skin cells also since you can get scratches here and there.
Explanation:
hope this helps!! oh and also hair cells
Which of the following reactions provide the chemical energy for most cell functions by releasing energy?
a. ATP bonds phosphate yielding ADP
b. ADP bonds phosphate yielding ATP
c. ATP loses phosphate yielding ADP
d. ADP loses phosphate yielding ATP
Not sureAnswer:
Explanation:not sure
The energy for cellular respiration comes from the glucose that was made during photosynthesis
Answer:
True
Explanation:
Glucose and oxygen that are made with the process called photosynthesis are then used as starting products for cellular respiration. This cellular respiration later makes carbon dioxide and water are then in combination with sunlight the starting products for new photosynthesis.
Anyone like crossword puzzles?!
What is the movement of structure high to low using a carrier protein reaching equilibrium?
~Simple diffusion
~Facilitated Diffusion
~Osmosis
Answer: Facilitated Diffusion
Explanation: Facilitated diffusion is a type of passive transport in which substances move across the cell membrane through helper proteins. Because it is a form of passive transport, it requires no energy to occur. In diffusion, substances move from areas of high concentration to areas of low concentration.
I am trying to dissolve popcorn butter and milk into water. I notice the milk
dissolves, but the popcorn butter does not. Why is this? *
Answer:
Because butter is an oil-like substance. Water is a combination of hydrogen and oxygen, oil on the other hand is not. For the two to mix the oil would have to break the hydrogen chain but that is not possible because then the water won't be water.
So most fats repel water, just think about it being hydrophobic :)
Hope that helps and have a great day!
Atoms of the same element that have different numbers of neutrons are called ____.
A) isotopes
B) compounds
C) neutrino elements
D) molecules
Give three reasons why the villi in the small
intestine are perfect for absorbing food.
Answer:
Villi are specialized for absorption in the small intestine as they have a thin wall,
one cell thick, which enables a shorter diffusion path.
They have a large surface area so there will be more efficient absorption of fatty acids and glycerol into the blood stream.
The biomolecule described below is a _______________.
a. lipid
b. monosaccharide
c. carbohydrate
d. protein
Answer: it’s lipid
Explanation:
The biomolecule described below is a lipid because they are large and non-polluting molecules.
What is the main function of lipids?Lipids are responsible for providing energy, being in the form of fat that our body stores the excess energy we consume through food to use in times of need.
They are substances whose main characteristic is the insolubility in polar solvents and the solubility in organic solvents (nonpolar), presenting a hydrophobic nature, that is, aversion to the water molecule.
Lipids have unique characteristics that allow them to be quickly identified, for example because they are large and non-polluting molecules.
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Replicate the following strand of DNA:
Original DNA-- A T G A A C C A T T C A G T A T G G
Answer:
Original DNA: ATG AAC CAT TCA GTA TGG
Complimentary DNA: TAC TTG GCA AGT CAT ACC
mRNA molecule: AUG AAC CGU UCA GUA UGG
AMINO ACID: Methionine (Start) - Aspargine (Asn) - Arginine (Arg) - Serine (Ser)- Valine (Val) - Tryprophan (STOP)
2nd template:
Original DNA: ATG GGT CTA GCG AAA GAT
Complimentary DNA: TAC CCA GAT CGC TTT CTA
mRNA molecule: AUG GGU CUA GCG AAA GAU
AMINO ACID: Methionine (Start) - Glycine (Gly) - Leucine (Leu) - Alanine (Ala) - Lysine (Lys) - Apspartic Acid (Asp)
Explanation:
When you are forming the DNA complimentary strand you need to remember that they come in base pairs, and each base pairs up with a specific base. In the case of DNA the base pairs are the following:
A - T ; T - A
C - G; G - C
So:
For every A, its complimentary is T. For every T, it's complimentary is A.
For every C, it's complimentary is G. For every G, it's complimentary is C.
So in the case of your 1st DNA template:
Original DNA: ATG AAC CAT TCA GTA TGG
Complimentary DNA: TAC TTG GCA AGT CAT ACC
During transcription however, mRNA is formed. RNA does not have thymine (T), but Uracil (U) instead. So the base pairs would be different in the case of Adenine(A), thymine and Uracil.
A - U; T - A
C - G; G -C
So:
For every A, it's complimentary is U. For every T, it's complimentary is A.
For every C, it's complimentary is G. For every G, it's complimentary is C.
Going back to your 1st DNA template:
Original DNA: ATG AAC CAT TCA GTA TGG
Complimentary DNA: TAC TTG GCA AGT CAT ACC
mRNA molecule: AUG AAC CGU UCA GUA UGG
Duing translation, tRNA brings the amino acids to the mRNA strand. There is a specific RNA codon sequence that codes for a specific AMINO ACID. These codons are 3 bases grouped together. You can use the table attached to see the amino acid each combination.
Amino acids are the building blocks of protein. The DNA templates determines the type of protein that will be made. The tRNA brings the amino acid to the mRNA template. Then it drops the amino acid off, which will bond with the next amino acid coded to attach to it.
So if you take the first mRNA codon AUG, you can see in the table that it codes for Methionine, which is a start codon, meaning this is the start of a new protein. It will then attach to the next amino acid that codes for the next codon which is AAC that codes for Aspargin. They will continue until it reaches a STOP codon, which means it would be the end of that protein.
The replica of the following strand of DNA is:T A C T T G G T A A G T C A T A C C .
What is DNA ?DNA is a hereditary material which is present in human beings as well as all other living organisms. Every cell which is present in an organism's body has DNA which is the same. Most of the DNA is situated in the cell's nucleus and small amount of it can be found in the cell's mitochondria as well.
Information which is stored in DNA is stored as codes made up of four chemical bases namely, adenine, thymine , cytosine and guanine.Human DNA consists of 3 billion bases .The order of the bases determines information which is required for building and maintaining an organism.
DNA bases are capable of pairing up with each other. Adenine pairs with thymine and guanine pairs up with cytosine .Each base is also attached to a sugar molecule and a phosphate group. A base, phosphate sugar are together called as nucleotides.
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