Answer: c. Lawn fertilizer that washes into neighborhood ponds likely causes algae to become more abundant.
Explanation:
Eutrophication is a natural phenomena in which the algal growth occurs in the water body due to increase in concentration of the fertilizers and manures being drained from the agricultural land into water. This causes decrease in oxygen level in water, and the aquatic animals in water will not survive due to scarcity of water.
According to the given situation, the growth of algae in the neighboring ponds is due to the drainage of lawn fertilizers into the neighboring ponds being washed from the lawns. This causes algae to grow abundantly in ponds.
What are the roles of the DNA, RNA Polymerase, mRNA, tRNA and ribosome in protein synthesis
Answer:
mRNA molecules carry the coding sequences for protein synthesis and are called transcripts. rRNA molecules form the core of a cell's ribosomes, the structures in which protein synthesis takes place. tRNA molecules carry amino acids to the ribosomes during protein synthesis. In eukaryotic cells, each class of RNA has its own polymerase, whereas in prokaryotic cells, a single RNA polymerase synthesizes the different class of RNA. Other types of RNA also exist but are not as well understood, although they appear to play regulatory roles in gene expression and also be involved in protection against invading viruses.
Explanation:
The picture below shows a large rock and a container of water. The rock and the water have the same mass and temperature.
What will MOST LIKELY happen when the rock and the water receive the same amount of heat energy?
The water will transfer heat to the rock.
The rock will transfer heat to the water.
The temperature of the rock will rise faster.
The temperature of the water will rise faster.
Answer: The temperature of the rock will rise faster.
Explanation:
Question 6 of 10 How many glucose molecules can be formed by 6 molecules of carbon dioxide? OA. 18 O B. 1 O c. 12 OD. 6
Compare the shape of a normal red blood cell to that of a red blood cell in
someone with sickle cell anemia.
Nucleic acids exhibit specific nitrogenous base pairing within their structures. All of the following base pairings are found in deoxyribonucleic acid EXCEPT: a. cytosine and guanine b. adenine and uracil c. adenine and thymine d. neither A nor B are found
What types of organisms contain
chloroplasts in their cells?
A. photosynthetic organisms
B. all organisms
C. only aquatic organisms
Answer:
Chlorplast plays a major role in photosynthesis. It can’t be all organisms since we humans don’t have chlorplast. Some aquatic organsisms uses chlorplast but not all, so the best answer here is A, Photosynthetc organsims.
A certain species of animal has six pairs of chromosomes. How many DNA molecules are present in the nuclei of these animals during G2 phase? View Available Hint(s)for Part B 6 12 48 24
Answer:
The answer is 24 DNA molecules.
Explanation:
A certain species of animal has six pairs of chromosomes. How many DNA molecules are present in the nuclei of these animals during G2 phase? 24. Each chromosome (12) is replicated, so there are 24 DNA molecules in the nucleus during G2 phase.
Describe the major differences between the ecological niches of humans and cockroaches. Are these two species in competition? If so, how do they manage to
coexist?
The major differences between the ecological niches of humans and cockroaches depend on the functional role they play, the space they live, and the group (trophic level) they belong.
What is an Ecological niche?An ecological niche can be regarded as an area or set of environmental factors or the surroundings of an individual where they perform their functional role.
Humans being omnivores have a generalized niche where they particularly have many options to play a functional role (feeding habit).
Cockroaches play the role of decomposers which is also an important part of any ecosystem. Living organisms are interdependent, so they need each other in order to survive. Therefore, it is wrong to say that humans and cockroaches are in competition. Cockroaches unlike humans live in really dirty and dark places because in such conditions they easily find food. While humans take a rest in dark (night) and search for their food in the daytime.
Humans take fresh and cooked food, while cockroaches shred dead and decaying organic matter into smaller pieces so that it would be eaten by recycling bacteria.
Therefore, these two different species are not in direct competition and survive without affecting each other's ecological niche.
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Why is the third line of defense consider specific and adaptive
Answer:
The third line of defence against pathogenic invasion is the adaptive immune response, which has two key qualities: It is specific (it can differentiate between specific microorganisms and respond accordingly) It is adaptive (it can produce a heightened response upon re-exposure - in other words, it has memory)
Explanation:
Diatoms are planktonic unicellular eukaryotes commonly found in oceans and lakes. They contain chloroplasts that have four membranes. These four membranes are evidence of:___________
a. budding of chloroplasts from the endoplasmic reticulum
b. primary endosymbiosis
c. secondary endosymbiosis
d. evolution from proteobacteria
Diatoms contain chloroplasts that have four membranes. These four membranes are evidence of secondary endosymbiosis (Option c).
What is secondary endosymbiosis?Secondary endosymbiosis is a hypothesis used to explain why diatom chloroplasts have four membranes.
According to this hypothesis, diatoms received different genes from distinct photosynthetic and non-photosynthetic ancestors.
The acquisition of genes of different ancestors led to diatoms having chloroplasts with four membranes.
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What did the Aztecs do to keep the universe in motion?
Answer:
Abstract
Two oppositional, yet complementary, sets of myths are presented here. These sets appear based on a concept of transformation which implies that the cosmos will collapse if a paradigm of human sacrifice is not followed-a paradigm for moral action utilized by Aztec kings in an amoral universe requiring constant nourishment. Models of this paradigm are seen to shape ethical decisions in two different examples: (a) crises of drought, and (b) problems of childraising. It is suggested that this moral and ethical information is presented to us, in varied sources, as an ontological reality which was gained by the direct experiencing of rituals participated in from infancy to death.
Journal Information
Founded in 1973 to "assist in shaping and locating the advanced edge of scholarly work in religious ethics." The Journal of Religious Ethics is committed to publishing the very best scholarship in religious ethics, to fostering new work in neglected areas, and to stimulating exchange on significant issues. Neither a tradition-specific journal of social ethics nor a tradition-neutral journal of philosophical ethics, the JRE offers serious ethical reflection set in the context of specific religious traditions and communities. The journal seeks to publish essays in three domains: studies in comparative religious ethics, considerations of foundational conceptual and methodological issues, and historical studies of influential figures and texts. An independent scholarly journal, the JRE is currently edited at Florida State University.
What is the scientific name of crocodile?
Answer:
The scientific name of a crocodile is Crocodylidae
Select all that apply.
An ecosystem could probably survive without _____.
carnivores
producers
Sun
water
herbivores
climate
soil
decomposers
Why are the nuclear reactions that occur in the center of the Sun critical to life on Earth?
a- life on earth depends on the energy and hydrogen released by the sun's nuclear reaction
b- life on earth depends on the heat and carbon released by the sun's nuclear reactions.
c- life on earth depends on the heat and electromagnetic radiation released by the sun's nuclear reactions.
d- life on earth depends on the energy and oxygen released by the sun's nuclear reactions.
Answer:
c
Explanation:
the earth needs the suns energy and heat
The reason why the nuclear reactions that occur in the center of the Sun are critical to life on Earth is: C. life on earth depends on the heat and electromagnetic radiation released by the sun's nuclear reactions.
A nuclear reaction can be defined as a type of chemical reaction in which the nucleus of an atom is transformed by either being joined (fusion) or split (fission) with the nucleus of another radioactive element's atom.
This ultimately implies that, a nuclear reaction is always accompanied with the release of energy.
On a related note, the Sun is typically characterized by nuclear reactions taking place at its center, which result in the release of radiant (heat) energy and electromagnetic radiation into the solar system.
Basically, this radiant (heat) energy and electromagnetic radiation are essential and very important to life because they are applicable and beneficial to humankind in several areas.
For example, radiant (heat) energy from the Sun in the morning, is a good source of vitamin.
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The nurse aide finds a client on the floor next to the bed.
The nurse aide asks the client what happened. Information
that the aide SHOULD report to the nurse includes:
a) using the exact words of the client whenever possible
b) describing what may have happened if the nurse aide does
not know for certain
c) telling the nurse that a family member was to blame
d) reporting what another nurse aide said had happened
In which phase does a cell grow the most?
Answer:
Interphase
Explanation:
Why DNA is absent in blood plasma?
Answer:
Red blood cells and blood plasma do not contain DNA. Red blood cells don't have the DNA containing nucleus and mitochondria. Only white blood cells in blood contain DNA. With blood donation, usually most of the white blood cells are filtered out.
Explanation:
because red blood cells don't have the DNA containing nucleus and mitochondria
During DNA replication, a DNA strand that has the bases CTAGGT produces a strand with the bases
TCGAAC
GATCCA
AGCTTG
GAUCCA.
Answer:
B
Explanation:
Adenine (A) is complementary to Thymine (T). And Guanine (G) is complementary to Cytosine (C).
Answer: The answer is GATCCA
Explanation:
and are usually always the same gender,
Identical twins have identical DNA,
A. temperament
B. blood type
C. personality
D. experiences
THE answer is B
Identical twins have identical DNA, and blood type, and are usually always the same gender.
What are identical twins?The term identical twins make reference to monozygotic twins, i.e., twins produced from the same zygote.
The zygote is a cell that generates during fertilization, i.e., by the fusion of a sperm cell and an egg cell.
The monozygotic twins have the same DNA because they were formed from the same sperm and egg cells.
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Answer:
B. blood type
Explanation:
I got it right
Most scientists accept the hypothesis that the earliest life-forms in Earth evolved in an environment quite different from our own. Sort these characteristics bass on whether they describe early Earth or modern Earth.
-significant amounts of oxygen in the atmosphere
-most of the planet covered in liquid water
-carbon dioxide levels balance by processes of living organisms
-significant amounts of volatile gases in the atmosphere
-most of the planets water in gaseous form
-large amounts of carbon dioxide in the atmosphere
Answer:
i am a very good kid its my job to be if not i will get in trouble
A balloon’s initial temperature is 45.0°c. The balloon’s final volume is 4.0-L with a temperature of 30.0°c. What is the initial volume of the balloon?
Answer:
45+273=318
30+273=303
X/318=4/303
303x=1272/303
X =4.2 L
Explanation:
The overall charge of an atom is electrically neutral even though it contains Particles.
PLEASE HELP
Answer:
The positive charges equal the negative charges, so the atom has no overall charge; it is electrically neutral. Most of an atom's mass is in its nucleus; the mass of an electron is only 1/1836 the mass of the lightest nucleus, that of hydrogen.
Explanation:
Synapses between sensory neuron and inter neuron take place
(A) Inside spinal cord
(B) Outside spinal cord
(C) Both
(D) None of them
Answer:
I believe your answer will be A. Inside spinal cord. :)
Explore: Animal Senses
Introduction
For this activity, you need to find reliable Internet or library sources about how an animal responds to stimuli. You can choose any animal to research. You will need to gather information about its senses, sense receptors, brain and nervous system, and behaviors.
For this topic, you might find reliable information at zoos, aquariums, or natural history museums. Scientists who study animals in the wild often work at these places. Also, science magazines often have articles about recent discoveries. For each source you use, think about these questions:
Does the source seem credible?
Does the source have accurate information?
Does the source have a possible bias?
In Part 1, you will look for websites with information you can use. The questions in Part 2 will help you take notes. In Part 3, you will make an infographic to share what you learned. An infographic is a visual way to display information. It includes images and short chunks of text. The text should point out interesting facts and explain important concepts.
Part 1: Identifying Sources (5 points)
1. List at least five terms from the introduction that you can use as key words in your search. (2 points)
2. Identify three websites you will use to start your research. If you use other websites to complete the research questions in Part 2, add them to this list. Cross out any websites that don't end up helping you complete the activity. (3 points)
Part 2: Research (20 points)
Use the websites you listed in Part 1 to answer the following questions. Remember to add any new sources you use to your list.
1. What animal did you choose? Why are you interested in learning more about its senses and the way it responds to stimuli? (2 points)
2. What senses (sight, hearing, etc.) does the animal have? (2 points)
3. What sense receptors does the animal have? What do they sense, and where are they located? (3 points)
4. How does the animal's nervous system process inputs from the sense receptors? Does it have a brain? If not, how is it able to respond to stimuli? (Note: Nerve cells are often called neurons.) (3 points)
5. Can the animal store memories? How do scientists know whether it has a memory? Give at least one example. (3 points)
6. Describe one interesting behavior the animal has in response to a stimulus. Explain how the stimulus causes the response. (2 points)
7. Review your list of sources, including ones that you crossed out and didn't use. Are they all credible, meaning they are trustworthy and you can believe the information they present? Was the information they contained accurate? How do you know? Did they include evidence to support their arguments? Did the authors have possible bias? Choose two sources and explain whether they are credible, accurate, supported by evidence, and possibly biased. Explain why you did or did not use these sources. (5 points)
Part 3: Infographic (10 points)
Create an infographic to describe how the animal you chose senses and processes information. The infographic should include:
a picture of the animal, including its sense receptors (2 points)
descriptions of what the sense receptors do (3 points)
how the animal processes inputs from the sense receptors, causing a behavior and/or memory (3 points)
any interesting facts you want to share (2 points)
Submit this worksheet and your completed infographic to your teacher.
The sense organs of a cat work together to enable them to respond quickly and appropriately to stimuli in its environment.
What are the sense organs in a cat?Cats have highly developed senses that enable them to respond quickly to stimuli in their environment.
The senses and sense organs in a cat are as follows:
Vision: Cats have excellent night vision and can see well in low light conditions. Their eyes have a tapetum lucidum, a reflective layer that enhances their vision in dim light. They have a large number of rods in their eyes which help them detect movement and light in low light conditions.Hearing: Cats have highly sensitive ears that can detect high-frequency sounds beyond the range of human hearing. They have 32 muscles in their ears which allow them to rotate their ears 180 degrees, helping them locate the source of the sound.Smell: A cat's sense of smell is highly developed, and they use it to identify prey, locate food, and recognize other cats. They have an olfactory epithelium in their noses which helps them detect scents that are not detectable by humans.Taste: Cats have fewer taste buds than humans, and their sense of taste is not as highly developed. However, they can distinguish between sweet, sour, salty, and bitter tastes.Touch: Cats have sensitive whiskers and highly sensitive paws that allow them to feel vibrations and textures. Their whiskers help them navigate in the dark and sense changes in their environment.In response to stimuli, cats will use their senses to assess the situation and determine their response. For example, if they detect a high-frequency sound, they may rotate their ears to locate the source of the sound and then determine whether it is a potential threat or not. If they smell a strange scent, they may become cautious or alert and investigate the source of the smell. If they see a moving object, they may use their highly developed sense of vision to assess whether it is prey or a potential threat.
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write 4 difference between pollination and fertilization
Fertilization is the joining of an egge cell and a sperm cell, While in pollination you transfer of pollen to a stigma and makes fertlization. Fertilization would be the reaction and pollination is the what yo do when you do it. In fertilization it can be about whatever organism and pollination is about a flower or plant.
Explanation:
i dont know all but i can tell you some, i hope i helped a little
Use the Pyruvate Concentration Table to answer the question.
The researcher adds a chemical to the cytosol at the one-hour mark. The full effect of the chemical can be observed at the two-hour mark. Which of the following hypotheses regarding the effect of the chemical is MOST reasonable?
A.
The chemical inhibits the carrier protein for pyruvate in the mitochondrial inner membrane.
B.
The chemical inhibits the carrier protein for glucose in the plasma membrane.
C.
The chemical inhibits the carrier protein for glucose in the mitochondrial inner membrane.
D.
The chemical inhibits the protein channels in the mitochondrial outer membrane.
Answer:
The Answer is A. the chemical inhibits the carrier potein for pyruvate in the mitochondrial inner membrane.
Explanation:
I just took the test so I know this is right
The statement regarding the effect of the chemical that is reasonable is that the chemical inhibits the carrier protein for pyruvate in the mitochondrial inner membrane. The correct option is A.
What is carrier protein?Carrier proteins bind the specific solute to be transported and then go through a series of conformational changes to move the bound solute across the membrane.
Carrier proteins bind specific solutes and transport them across the lipid bilayer by going through conformational changes that expose the solute-binding site on one side of the membrane and then the other.
Carrier proteins, like other membrane transport proteins, are found in lipid bilayer cell structures such as cell membranes, mitochondria, and chloroplasts.
A reasonable statement about the chemical's effect is that it inhibits the pyruvate carrier protein in the mitochondrial inner membrane.
Thus, the correct option is A.
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Which of the following is not a protein made by the lac operon?
(A) Lactase
(B) Beta-galactosidase
(C) Permease
(D) Transacetylase
Answer:
Lactase
Explanation:
Lac operon (lactose) is degraded to glucose and galactose by three enzymes :beta galactosidase, galactoside permease and thiogalactosidase transacetylase.
1. Which can adapt to changes?
populations
offspring
individuals
alleles
Answer: Populations
Explanation:
Which form of low EM energy do we feel through heat?
Infrared Radiation(IR) or infrared light I THINK.
please help!! How many elements are in the compound
NaHCO₃?
Answer:
6
Explanation:
There's Sodium (Na), Carbon (C), and Oxygen (O). But since there's 2 Sodium and 3 Oxygen, in total theres 6.