Answer:
I Think the answer is option "C"
Explanation:
Some unicellular green algae, notably Chlorella, live within the cells of animals, imparting a green color to some sponges, hydras, and flatworms. The plant kingdom probably evolved from a green alga.
in what age range and development area do individuals test the rules and limits of authority figures?
age range? type answer here. development area? type answer here.
Hi!
The age range is the teenage years, namely 10-16. The development stage is piagets stage. Sorry, I learned this from my sister so it might not be 100% accurate.
Hope this helps!
The "Nariokotome boy" fossil indicates that H. ergaster
A. could grow as tall as modern humans.
B. had short lower limbs.
C. was thin-boned.
D. all of these.
Answer:
A. could grown as tall as modern humans
Explanation:
The Nariokotome boy is the most complete fossil of an early hominid ever found. This have gave an opportunity for very detailed and accurate examination of this Homo ergaster specimen. The age of dying of the Homo ergaster boy is still debatable, ranging from 8 to 11 years of age. This boy is tall 160 cm, and it is thought that the growth would have been slightly quicker than that of the Homo sapiens, but slower than that of the chimpanzees, so it estimated that it would have reached full growth by the age of 14. Also, it is believed that the approximate height that this Homo ergaster boy would have reached is 185 cm, making it as tall as the modern day humans, or even taller than the majority of the humans in the present.
The following diagram model DNA replication. match letter to location or structure.
Please help I promise to Mark Brainlest!
In the given diagram model of DNA replication, the labels are marked as follows:
A) Replication fork
B) DNA Polymerase
C) Sugar Phosphate Backbone.
The detailed explanation is as follows:
A) DNA Replication Fork:
The DNA replication fork is a critical structure formed during DNA replication, a fundamental process in cell division and genetic inheritance. It represents the point at which the DNA double helix unwinds and separates into two single strands, creating a Y-shaped structure. This unwinding and separation occur due to the action of enzymes called helicases, which break the hydrogen bonds between complementary base pairs.
At the replication fork, each single DNA strand serves as a template for the synthesis of a new complementary strand. DNA polymerases, the enzymes responsible for DNA synthesis, work at the replication fork. One strand, called the leading strand, is synthesized continuously in the 5' to 3' direction, while the other, the lagging strand, is synthesized in short fragments called Okazaki fragments, which are later joined by DNA ligase.
B) DNA Polymerase:
DNA polymerases are a group of enzymes that play a central role in DNA replication and repair. These enzymes are responsible for synthesizing new DNA strands by adding nucleotides to the growing DNA chain, using an existing template strand as a guide. DNA polymerases ensure the accurate replication of genetic information.
These enzymes work in a highly coordinated manner during DNA replication. DNA polymerases add nucleotides to the 3' end of the growing DNA strand in a 5' to 3' direction, complementary to the template strand. They require a primer, typically a short RNA or DNA sequence, to initiate DNA synthesis.
There are multiple types of DNA polymerases in cells, each with specific functions. DNA polymerase III, for example, is the primary enzyme responsible for replicating the bacterial chromosome during DNA replication.
C) Sugar-Phosphate Backbone:
The sugar-phosphate backbone is a structural component of the DNA molecule. It consists of alternating deoxyribose sugar molecules and phosphate groups, linked together by strong covalent phosphodiester bonds. The sugar-phosphate backbone runs along the outside of the DNA double helix and provides structural stability to the molecule.
The nitrogenous bases (adenine, thymine, cytosine, and guanine) project inward from the sugar-phosphate backbone and form the base pairs that connect the two DNA strands. The complementary base pairing between adenine and thymine (A-T) and between cytosine and guanine (C-G) ensures the specific and accurate coding of genetic information.
The sugar-phosphate backbone also plays a crucial role in protecting the genetic information stored within the DNA molecule by shielding the bases from chemical and physical damage. Additionally, it serves as the attachment point for various proteins and enzymes involved in DNA replication, transcription, and other cellular processes.
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compare and contrast the reproductive cycles of a flowering plant and a human. include two similarities and two differences
The similarities between the reproductive cycles of a flowering plant and a human are given below:
Both humans and flowering plants require two parents to develop offspring. (Erotic reproduction)Both the resultant offspring are fertile in nature which grow, mature, and reproduce. What do you mean by Reproduction?Reproduction may be defined as a biological process that involves the formation of a resultant offspring identical to their parents.
The dissimilarities between the reproductive cycles of a flowering plant and a human are given below:
Human produces baby, while plant produces seeds. Human performs the process of fertilization through sperm and egg cell, while plants perform the same process through pollen and ovarian germ cells.Therefore, the two similarities and dissimilarities between the reproductive cycles of a flowering plant and a human are briefly described above.
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Please help me with this answer please thank you!
1 maps with D.
2 maps with H.
3 maps with A.
4 maps with C.
5 maps with G.
6 maps with E.
7 maps with B.
8 maps with I.
9 maps with F.
What is a mnemonic device to help you remember the elements that life needs to survive?
Answer:
mrs gren
Explanation:
movement, respiration, sensitivity, growth, reproduction, excretion, nutrition
Use CHNOPS as a mnemonic device to remember essential life elements.
To help remember the elements that life needs to survive, you can use the mnemonic device CHNOPS, which stands for Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur. This mnemonic device aids in recalling these essential elements for living organisms.
Please help me
Thanks
Answer:
D. Stationary front.
Explanation:
Answer: Im pretty sure the answer would be a stationary front
Explanation:
which of the following best characterizes an ecological footprint
Answer:
According to one data set, the average American has has an ecological footprint over four times larger than the global average.
Answer:
a measure of environmental impact
Explanation:
APEX
When is cladistics more useful than linnaean taxonomy
A. When you want to compare physical traits
B. When you want to find organisms that look similar
C. When you want to find the species name for an organism
D. When you are analyzing DNA of organisms
Answer:
D. When you are analyzing DNA of organisms
Explanation:
Cladistics is focused on tracing common ancestors, which relies not only on physical characteristics but also DNA evidences. Cladistics is also known as modern taxonomy. Linnean taxonomy is more on the physical characteristics, which is also called traditional taxonomy. As technology progressed so did taxanomic categories, which allowed researchers to compare DNA to determine similarities in seemingly unrelated animals.
Answer:
D is correct
Explanation:
The photograph shows a consequence of air pollution. Which of these does the photograph show?
A - Bioremediation
B - Acid deposition
C - Eutrophication
D - Ozone depletion
Answer:
C. Eutrophication
Explanation:
body of water becomes overly enriched with minerals and nutrients which induce excessive growth of algae. This process may result in oxygen depletion of the water body.
Answer:
C - Eutrophication
Explanation:
Presence of pollutants in air such as nitrogen and phosphorus leads to entry of these pollutant in water bodies along with rain water. Presence of excess organic compounds in water is called as eutrophication. Eutrophication favors excessive algae production in water. Green algae growing on the surface of water is shown in the image. The Increased algal population consumes oxygen present in water and makes it unavailable for aquatic animals such as fishes leading to their death
Describe the basic molecular structures AND primary functions of the four major categories of biological macromolecules:
a. Carbohydrates
b. Lipids
c. Proteins (amino acids)
d. Nucleic acids
Carbohydrates get broken down into glucose by the acid in your stomach and small intestine, and the glucose gives energy to your cells especially brain cells and neurons. Lipids like triglycerides store energy for cells. Proteins build up many parts of your body. Nucleus acids ( RNA & DNA ) give information to cells, they are in the nucleus of cells. Carbohydrates like monosaccharides have a formula of C6,H12,O6 and are kind of hexagon shaped. Different lipids have different structures, triglycerides is like three lines because they are made of 3 fatty acids and glycerol. Different proteins have different structures, alanine is lined with oxygen atoms and hydrogen. Dna is two lined with proteins on it and RNA is one lined with proteins.
HOPE THIS HELPS :)
Answer:
Carbohydrates
Explanation:
Carbohydrates get broken down into glucose by the acid in your stomach and small intestine, and the glucose gives energy to your cells especially brain cells and neurons. Lipids like triglycerides store energy for cells. Proteins build up many parts of your body. Carbohydrates like monosaccharides have a formula of C6,H12,O6 and are kind of hexagon shaped. Different lipids have different structures, triglycerides is like three lines because they are made of 3 fatty acids and glycerol. Different proteins have different structures, alanine is lined with oxygen atoms and hydrogen. DNA is two lined with proteins on it and RNA is one lined with proteins.
Choose the best explanation of the difference between evolution and natural selection. A. Natural selection is the idea that species change over time, and evolution is the idea that the species' food source also changes over time. B. Evolution is the idea that species change over time, and natural selection is the idea that nature changes over time. C. Natural selection is the idea that species change over time, and evolution is the idea that our world changes over time. D. Evolution is the idea that species change over time, and natural selection is a mechanism by which evolution takes place.
Answer:
D. Evolution is the idea that species change over time, and natural selection is a mechanism by which evolution takes place.
Explanation:
There are six kingdoms of living things. Archaebacteria is one of these kingdoms. What are the other kingdoms of living things?
Select the five correct answers.
A)Animalia
B)Planta
C)Fungi
D)Arthropods
E)Protista
F)Eubacteria
Answer:
A, B, C, E, F
Explanation:
Arthropods are in the kingdom animalia
The other kingdoms of living things include the following:
AnimaliaPlantaeFungiProtistaEubacteriaWhat are Living things?These are organisms which exhibit or demonstrate the presence of life in them.
Living things comprises of several kingdoms which are listed above and are the most appropriate choices.
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John and Jennifer have just gotten married. John has blood type B and Jennifer has blood type O. John’s father has blood type B and his mother has blood type O. What are the possible blood types of their offspring?
John and Jennifer's offspring can have either type B (inherited from John) or type O (inherited from either parent) blood. Types A and AB are not possible as neither parent carries the A antigen.
Explanation:The topic of this question involves Blood Types and inheritance. In humans, the blood types are determined by the ABO blood group system. John's blood type is B, which is determined by the presence of B antigens on the surface of the erythrocytes. Jennifer has an O blood type, which means that she has neither A nor B antigens. The possible blood types of their offspring are determined by the alleles each parent contributes.
John's possible genotypes could be BB (if he inherited B genes from both parents) or BO (if he inherited an O gene from his mother). As Jennifer has blood type O, her genotype will be OO.
The possible genotypes of their offspring would therefore be BO (from a B gene from John and an O gene from Jennifer) or OO (from an O gene from both parents). Translated into blood types, their children could have either blood type B (from the BO genotype) or O (from the OO genotype), but not A or AB, as neither parent carries the A gene.
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[True or False]
If this were a model of the atom, the nucleus would be in same place as the sun
Answer:
true
Explanation:
Answer:
i think it is false
Explanation:
an nucleus can be anywhere in a cell sorry if im wrong
Which type of molecule makes up DNA?
Lipid
Nucleic acid
Protein
Water
What type of molecule makes up DNA?
B. Nucleic Acid
Answer:
B... Hope This helped
YAY!!!
What property of dna makes it possible for a probe to find a single-stranded dna target gene?
Answer:
Complimentary base pairings
Answer:
-Complementary base pairing
Explanation:
DNA probes can be defined as fragments of single stranded DNA molecules, which are used to to detect the presence of target DNA sample. The nucleotide sequence in probes is complementary to the nucleotide sequence of target DNA.
Hence, probes detect DNA by hybridizing to single stranded target DNA according to complementary base-pairing rule. Nitrogen bases present in probe and target DNA make hydrogen bonds with each other (adenine binds with thymine and guanine binds with cytosine (and vice versa) and target DNA is detected.
Thus, the correct answer is 'complementary base-pairing.'
which two molecules bond together to form a disacchride?
what happens during hydrolysis pls help me pls pls pls plox
Answer:
Explanation:
the answer above this is correct
Why does only one egg, rather than four eggs, develop during oogenesis, given that spermatogenesis results in four sperm formed from one stem cell? Why does only one egg, rather than four eggs, develop during oogenesis, given that spermatogenesis results in four sperm formed from one stem cell? Once formed, spermatids, but not oocytes, undergo additional rounds of division by mitosis. Unequal cytoplasmic division ensures that a fertilized egg has ample nutrients for its journey to the uterus. The egg does not go through the meiotic division processes that the sperm undergo. Only one egg can be fertilized at a time.
The unequal cytoplasms division that results in one egg and three polar bodies ensures that a fertilized egg has ample nutrients for its journey to the uterus
people with heart problems often have trouble breathing.
why would this happen?
A. the pumping of the heart is tied to the respiratory system.
B. red blood cells are produced in the lungs.
C. the heart provides the lungs with oxygen.
D. the lungs are the organs that bring carbon dioxide into the body.
Answer:
A-the pumping of the heart is tied to the respiratory system
People with heart problems often have trouble breathing because of the pumping of the heart is tied to the respiratory system.
How Circulatory System is connected with Respiratory System?The Heart and Lungs work together to make sure that the body has the oxygen rich blood that needs to function properly.
The close connection between Heart and Lungs means that breathing problems can be caused by the issues either in lungs or in heart.
Functions performed by Heart and Lungs:
1. The Pulmonary Loop- The right side of the heart picks up the oxygen poor blood from the body and moves it to the lungs for cleaning and re-oxygenating.
2. The Systematic Loop- Once the blood is oxygenated, the left side of the heart moves the blood throughout the body so that every part receives the oxygen it needs.
Common Problems related to the Heart/ Lungs are:
- Exercise intolerance
- Fatigue
- Irregular heartbeats
- Asthma
- Bronchitis
- Shortness of breath
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Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. If he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black?
Answer:
there are 12 marbles. the probability of getting a yellow would be 2/12, the probability of drawing a red is 4/12, and the probability of getting a black is 3/12. (i think,, dont quote me if im wrong!)
:) have a nice day love ❤
Explanation:
Answer:
1/55
Explanation:
(2/12) X (4/11) X (3/10) = .018
,
21. Wood storks use their long beaks to feel around in shallow water until they find small fish, which they snap up and
eat. Their feeding style is dependent on the natural flood and drain cycles of the Everglades.
Populations of wood storks in the Everglades declined from an estimated 4000 pairs in the 1930s to about 250
pairs in the 1980s. Which human activity has contributed MOST to the reduction of wood stork populations?
building structures on stork breeding grounds
building channels to control water flow in the Everglades
Using stork feathers in clothes
Disturbing storks while boating hunting and sightseeing in the area
building channels to control water flow in the everglades
Explanation:they depend n the fish in the everglades and the waterflow affetcs the way they get the fish
Answer:
Option B, building channels to control water flow in the Everglades
Explanation:
The nesting pattern of wood storks is highly dependent on the pre drainage condition of Everglades region.
However in Everglades region several canals, ditches and roads have been constructed in recent times due to which the drainage pattern and wetland fragmentation is disturbed through out the region. This has lead to the reduction in the nesting activity of Wood Stork across the Everglades which has ultimately caused reduction of wood stork population.
Hence, Option B is correct.
The ATP molecule shown is the universal energy source for cellular activities. Which of these processes is used to break down glucose into ATP that is usable by the cell?
Aerobic respiration
Answer: Cellular respiration
Explanation:
Cellular respiration can be defined as the process by which the glucose is converted into adenosine tri phosphate. The conversion of the glucose molecule into adenosine tri phosphate take place in the mitochondria of the cell.
The energy that is required by the cells is fulfilled by this molecule only. The plants and the animals both gets energy by this process.
Hence, the correct answer is cellular respiration.
In the diagram below, the observer is experiencing a spring low tide. What is the most likely position of the Sun? (Note: Shading has been removed from the diagram so it cannot be used to determine the Sun's position.)
The observer is experiencing a spring low tide, which occurs when Earth, the Moon, and the Sun are aligned. The most likely position of the Sun in the diagram would be either directly above or directly below the observer, aligning with the Earth and Moon.
Explanation:In the diagram provided, the observer is experiencing a spring-low tide. In order to determine the most likely position of the Sun, we need to understand that spring tides occur when Earth, the Moon, and the Sun are aligned. The tidal effects from both the Moon and the Sun add together during spring tides, causing the largest tides. Therefore, the most likely position of the Sun in the diagram would be either directly above or directly below the observer, aligning with the Earth and Moon.
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The skeletal diagram below shows variations that were present in their common ancestor. Using the diagram determine what most likely caused the variation in forelimbs?
A
changes in the genetic code
B
changes in muscle structure
C
development of vestigial structures
D
trait formation due to behaviors
Answer:
D. trait formation due to behaviors
Explanation:
It is obvious to see that the three animals, cat, whale, and bat, have the same basic structure of their forelimbs, but also that they have developed differently and have taken a new shape. The reason for this is a trait formation due to behavior. The cats ancestors were terrestrial, and the cats have remained terrestrial, walking on their four legs, and having the same shape and function as their ancestors. The whales had similar forelimbs, but their ancestors started to move more and more in water. As they did, they needed more muscle power, but also greater width of the forelimb so that they can move more easily and more efficiently in the water. This behavior has gradually resulted in a flat, strong, peddle like forelimb. The bat too had similar forelimbs to that of the cat, but its ancestors started to try to fly. The process was gradual, and it started with jumping, then longer jumps, development of skin between the fingers, elongation of the fingers, thus provide more area for development of wider skin area. This has resulted in developing a light, wide, skin dominated forelimb with elongated fingers, providing flight for the bat.
When analyzing a source, what strategy would be best to help determine if a topic is biased?
To determine if a source is biased, first collect your initial impressions and assess if opinions are presented as facts. Research the author's neutrality and credibility, and examine multiple sources to ensure a comprehensive perspective on the topic.
When analyzing a source for potential bias, several strategies should be employed. To begin with, measure your initial impressions of the source. Check if the information appears exaggerated or if the source is mixing opinions with facts, and also note any extreme viewpoints or charged language. Additionally, consider the purpose of the writing \'97 is it to inform, or to persuade? This distinction is key in identifying bias.
Researching the author can offer insights into possible bias. Investigate whether the author is an impartial expert or if they have a track record of bias on the subject matter. Moreover, it is important to read multiple sources on the topic to cross-check facts and detect omitted or overlooked critical information.
Always evaluate the credibility and reputability of sources, considering details such as the author\'s professional background and potential affiliations. For example, if a source's position on a topic can be predicted based on the author's job or political affiliations, this could indicate a significant bias. Lastly, remember that bias can also lie in the omission of information, which is why it is crucial to read widely from various sources to get a more balanced view of the topic at hand.
Which choice is likely to result in the most competition? A) Two hawk populations utilize different populations of mice and small birds as their main food source. B) Snakes eat mice, reducing the mice population in an area. C) A bird population eats berries and their droppings seed new areas creating more berry bushes. D) A drought reduces the amount of grass for rabbits to feed on.
Answer:
D) A drought reduces the amount of grass for rabbits to feed on.
Explanation:
This is the condition that shall result in the most competition.
This is because the grass shall be insufficient food for the rabbit population.
Therefore the rabbit population shall be struggling to feed on the scarce remaining grass and hence cause a terrible competition.
Answer:
d) a drought reduces the amount of grass for rabbits to feed on.
Explanation:
rabbits eat the grass. If it reduces the grass, rabbits compete over it or starve.
What are local problems that the endangerment of honeybees causes?
Answer:
Pollination
Explanation: If you have ever seen bee movie, you know that pollen is the most essential ingredient to flowers, which is transported and spread by bee's. if there were no more bees, there would be no way to pollinate the flowers, causing them to wither and die. Fortunately, there are other pollinators, but bees are one of the most important.
what are the main sources of non point source pollution
Answer:
Major non-point source pollutions come from agricultural runoff, construction sites, erosion of land due to deforestation, etc.