Enzymes speed up chemical reactions. Which statement correctly identifies the function of the enzymes involved in DNA replication?
A: Helicase adds hydrogen bonds to the template strand DNA polymerase breaks nitrogen bases
B: Helicase adds nitrogen bases to the template strand, DNA polymerase breaks hydrogen bonds
I
C : Helicase breaks nitrogen bases in the template strand. DNA polymerase adds hydrogen bonds
D : Helicase breaks hydrogen bonds in the template strand DNA polymerase adds nitrogen bases

Answer:

Oxygen

Explanation:

Plants take in Carbon dioxide and releases Oxygen

Answer:

A: Anaphase

B: Anaphase II

C: Prophase I

D: Metaphase I

E: Metaphase II

Explanation:

Cell is  a basic structural and functional unit of all forms of life. Whether it is a complex organism like humans, animals or plants or simple organisms like bacteria, they are all made of cells. Therefore, the cell is the basic level of organization of the organism.

The smallest and most important unit of life is the cell. The cell was discovered in 1665 by Robert Hooke. The cell is described as the most important structural and functional unit in all living things, including bacteria, plants, animals, and humans.

Unicellular organisms are able to live independently and carry out important life functions. Independent life cannot be guaranteed if the cell structure is incomplete.

As a result, the cell is the basic structure and functional unit of all living things. Cells are the most important components of the human body.

For example - red blood cells carry oxygen to the body, and white blood cells are part of the immune system.

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Answer: 5. Amoebocytes have a variety of functions: delivering nutrients from choanocytes to other cells within the sponge, giving rise to eggs for sexual reproduction (which remain in the mesohyl), delivering phagocytized sperm from choanocytes to eggs, and differentiating into more-specific cell types. 6. Sponges form symbiotic relationships with a variety of microorganisms, including bacteria and algae. A symbiotic relationship between organisms is a close ecological association between two species that may be mutually beneficial or may benefit one partner at the expense of the other. However, humans are still damaging sponge populations with weighted nets and even taut fishing lines, which can slice sponges apart by accident. As a rule, anything that can affect the ocean floor will have a negative impact on sponges, as they have never developed protection against impacts. brainliest??

Explanation:

Answer:

A: D/

B: B/

C: C/

D: A/

Explanation:

i hope this is helpful^^

Answer:

The first is D

The second is B

The third is C

The last is A

Explanation:

I took the assignment. In fact I'm taking it right now at the moment

Rick and Ronda can have normally- pigmented children in the ratio 1 normal: 1 albino.

What is albinism?

The rare genetic disease known as albinism results in pale or colourless skin, hair, or eyes. An error in one of the several genes that make or distribute melanin, the pigment that gives skin, eyes, and hair their colour, is the root cause of albinism. Melanin production could be absent or drastically diminished as a result of the defect.

A dominant allele, which can come from just one parent, causes a dominant phenotype in those who possess one copy of the gene. A person needs two copies of a recessive allele, one from each parent, in order for it to result in a recessive phenotype. One dominant and one recessive allele for a gene will result in a person with the dominant phenotype.

Being an autosomal recessive condition, albinism only manifests in homozygous recessive genotypes. Since the recessive gene is concealed by the presence of a healthy dominant gene, the heterozygous genotype will be normal but act as a carrier. The query said that the father of the normal pigmented man was an albino (aa). The man has a normal phenotype but an Aa genotype, indicating that he acquired the afflicted gene from his father but that it is hidden by the presence of the dominant allele (A) (carrier).

Parent generation :  aa (albino man)  x  Aa (carrier woman)

F 1 generation = 1 normal child : 1 albino

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Answer:

Inner planets have moons, but outer planets do not have moons.

Explanation:

Outer planets are considered more jovian planets meaning that one of their characteristics is that they actually have more moons than the inner planets.

Answer:

Explanation:

Non-native Burmese pythons have established a breeding population in South Florida and are one of the most concerning invasive species in Everglades National Park. Pythons compete with native wildlife for food, which includes mammals, birds, and other reptiles. Severe mammal declines in Everglades National Park have been linked to Burmese pythons.

The most severe declines in native species have occurred in the remote southernmost regions of Everglades National Park, where pythons have been established the longest. In a 2012 study, populations of raccoons had dropped 99.3 percent, opossums 98.9 percent, and bobcats 87.5 percent since 1997. Marsh rabbits, cottontail rabbits, and foxes effectively disappeared.

The mammals that have declined most significantly have been regularly found in the stomachs of Burmese Pythons removed from Everglades National Park and elsewhere in Florida. Raccoons and opossums often forage for food near the water’s edge, which is a habitat frequented by pythons in search of prey.

Answer:

In 1 second it runs 18 meters

Explanation:

If it takes 10 seconds to run 180 then divide both sides by 10 to get one second which is 18 meters one second

Hope this helps!

Answer:

The answer is true

Explanation:

true

DNA replication process is the event during which the molecule duplicates. It occurs in the interphase and involved different enzymes, a DNA molecule, and free nucleotides. Image attached.

DNA replication is the process through which DNI molecule duplicates. This event takes place during the S stage of the interphase. So when the cell divides during mitosis or meiosis, each cell will get a complete set of chromosomes.

DNI replication is semi-conservative because each new molecule carries an original DNI strand and a new one. The fact that the new molecule is composed of an original strand makes it semi-conservative. The old existing strands are used to synthesize the new complementary strand.

The origin of the replication requires helicase enzymes to break hydrogen bonds and separate the two original strands. The topoisomerase enzyme is necessary to release tension. Other proteins are also needed to join the strains and keep them separated.

Once the molecule is opened, there is a region named replication forks. DNA polymerase makes the new nucleotides enter into the fork and pairs them with the corresponding nucleotide of the original strand. Adenine pairs timine, and cytosine pairs guanine.

DNA strands are antiparallel, and replication occurs only in 5'-3' direction. So one of the strands will replicate continuously, while the other strain will be formed by short fragments known as Okazaki fragments.

Primers are needed to make the DNA polymerase work. Primers are small units of RNA and are placed at the beginning of each new fragment.

You will find the labelled Image in the attached files.

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We don't run out of the important gases that we need to stay alive is because the gases are getting recycled in the environment.

The life on this planet is mainly based on 3 gases ie, carbon, hydrogen and oxygen. We know that CO2 is important for the plants uptake during the process of photosynthesis and releases O2 which is needed for the animals for living.

Animals uptake this O2 for respiration and releases CO2. Here we can see the cycle of exchange of gases. The carbon in the atmosphere combine with the hydrogen to form hydrocarbons which are helpful for the humans in so many ways.

Thus we will not run out of the gases as it is being used and recycled.

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The correct question is -

Why don't we run out of the important gases that we nee to stay alive?

The correct answer is C. Prostaglandins are hormones that play a role in initiating the transmission of pain messages.

These hormones are produced by cells throughout the body in response to various stimuli, such as injury or inflammation. When prostaglandins are released, they can cause pain, inflammation, and fever. They are also involved in regulating blood flow and blood clotting. Nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin and ibuprofen work by inhibiting the production of prostaglandins, which can help reduce pain and inflammation. While both androgens and estrogens are hormones that play important roles in the body, they are not directly involved in the transmission of pain messages. Isoflavones are a type of phytoestrogen found in plants, but they do not have a significant impact on pain or pain transmission.

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Answer:

X chromosomes.........

Answer:X chromosomes

Explanation:

Turner syndrome, a condition that affects only females, results when one of the X chromosomes  is missing or partially missing. Turner syndrome can cause a variety of medical and developmental problems, including short height, failure of the ovaries to develop, and heart defects.

Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.

During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.

Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.

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Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.

During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.The term "Vesicocolonic fistula" refers to an artificial opening between the urine bladder and portions of the large intestine. A vesicocolonic fistula is a connection between the urine bladder and the large intestine that is abnormal. This can be caused by a number of causes, including prior surgery.

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The endocrine system is composed of organs and glands. It controls and coordinate the body, including reproduction, growth, mood, etc. The glands and organs involved acts upon all of those factors hrough hormones, which are produced and secreted by the endocrine system. The system responsible for sensing the environment is the Nervous System, therefore b) is incorrect. Ransoming materials throughout the body is one of the functions of the blood, which is not an organ or a gland of the Nervous System, therefore a) is also incorrect. The Digestive System is responsible for breaking down food into smaller parts, therefore c) is wrong as well. As we said that the Endocrine System secretes hormones, the correct answer is d) to secrete hormones.

The similarity of the foot bones between Proconsul and the living anthropoids makes it the likely first higher primate.

Proconsuls are extinct apes that lived in Africa about 25 million years ago during the Miocene epoch. They were one of the first apes to have almost exclusively arboreal lifestyles, spending much of their time in trees and rarely coming down to the ground.

They're thought to have evolved from a common ancestor of both Old World monkeys and apes, which explains why they're classified as "proto-apes."The similarity of the foot bones between Proconsul and the living anthropoids makes it the likely first higher primate.

This trait indicates that they were well adapted to moving through the trees, and they could have been the first primate to have a flexible, grasping foot that could climb trees in a more ape-like manner.

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Oats, bananas, red meats, but STAY AWAY from drugs & alcohol!

The planet will someday become congested due to the tremendous rate of population growth. Global warming with increased population density.

The need for food, water, houses, energy, healthcare, transportation, and other resources will rise as the population grows. All of this consumption increases the likelihood of major catastrophes like pandemics, increases conflicts, and degrades the environment.

When resources are scarce, "competition" intensifies and some organism populations decline. Without access to the materials they require, some people might even become smaller or weaker. The availability of resources may be impacted by environmental changes, natural disasters, and people.

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Stromatolites in the Cambrian period flourished due to the availability of open niches, option A is correct.

During this time, the Earth's oceans provided abundant opportunities for stromatolites to thrive. These microbial mats formed layered structures, capturing sediment and promoting the growth of new layers. The availability of open niches allowed stromatolites to expand their populations and colonize various habitats, resulting in their flourishing.

Stromatolites did not decline during the Cambrian due to the evolution and overgrazing of invertebrate organisms. Invertebrates coexisted with stromatolites during this period. Stromatolites did not flourish due to new forms evolving and becoming more resilient, as they are primarily composed of microbial communities. Stromatolites did not decline due to competition from other reef-building organisms, as reef-building organisms were not as prevalent during the Cambrian, option A is correct.

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The correct question is:

Stromatolites in the Cambrian due to: [group of answer choices]

A) flourished; availability of open niches.

B) declined; evolution and overgrazing of invertebrate organisms.

C) flourished; new forms evolved and becoming more resilient.

D) declined; competition of other reef-building organisms.

The sigmoid colon is the fourth part of the colon that joins the rectum.

The sigmoid colon (or pelvic colon) is the part of the large intestine that is closest to the rectum and anus. It forms a loop that averages about 35–40 centimetres (14–16 in) in length. The loop is typically shaped like a Greek letter sigma (ς) or Latin letter S (thus sigma + -oid).

This part of the colon normally lies within the pelvis, but due to its freedom of movement it is liable to be displaced into the abdominal cavity. The sigmoid colon begins at the superior aperture of the lesser pelvis, where it is continuous with the iliac colon, and passes transversely across the front of the sacrum to the right side of the pelvis.

It then curves on itself and turns toward the left to reach the middle line at the level of the third piece of the sacrum, where it bends downward and ends in the rectum.

Its function is to expel solid and gaseous waste from the gastrointestinal tract. The curving path it takes toward the anus allows it to store gas in the superior arched portion, enabling the colon to expel gas without excreting faeces simultaneously.

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Answer:

The Wood

Explanation:

The wood has the most friction because the final speed is less than the others when the fan is on and the cart slowed down the fastest when the fan is turned off.

Answer:

Wood

Explanation:

The wood has the most friction because the final speed is less than the others when the fan is on and the cart slowed down the fastest when the fan is turned off.

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The process that is non-functioning in the person with diabetes is negative feedback mechanism. The correct option is B.

A self-regulating system is a negative feedback loop, also known as an inhibitory loop. Increased output from the system inhibits future production in a negative feedback loop.

When blood glucose levels are too low, the pancreas secretes the hormone glucagon. This travels to the liver in the blood and causes glycogen to be broken down into glucose.

When glucose enters the bloodstream, glucose levels return to normal. This is an illustration of negative feedback.

Thus, the correct option is B.

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The correct statement concerning the karyotype in the diagram is D. The individual has a normal karyotype.

A karyotype is a visual representation of an individual's chromosomes. In the given diagram, there are 23 pairs of chromosomes, which is the normal number for a human. The sex chromosomes are also present in pairs, with one X chromosome and one Y chromosome indicating a male individual. However, we cannot determine the sex of the individual based on the given diagram as the sex chromosomes are not labeled.

To determine if the individual has Down syndrome, we need to look for an extra copy of chromosome 21. However, there is no such anomaly visible in the diagram. Similarly, if the individual was missing a sex chromosome, we would see only one sex chromosome instead of a pair, but there are pairs of sex chromosomes present. Therefore, the only conclusion we can draw from the given diagram is that the individual has a normal karyotype.

In conclusion, the correct statement concerning the karyotype in the diagram is D. The individual has a normal karyotype.

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Answer:The Winter Severity Index, or “WSI,” is a measurement used throughout the north to determine how brutal a winter has been for a given year. It tracks snowfall and temperatures from the beginning of December through the end of April and gives each a numeric value that is used to quantify the impact on deer.

Explanation:

The aortic pressure reflects changes in the ejection of blood from left ventricle of the heart.

Heat is four chambered muscular organ in humans. The upper two chambers are atrium and lower two chambers are ventricles. Ventricles dispose the blood received from auricles into different parts based on the oxygen level. The semilunar valves are cusps or pocket like structures present to prevent blood backflow.

There are two such valves namely aortic and pulmonary valves. Aortic valve connects left ventricle with different parts of body while pulmonary valve connects right ventricle and pulmonary artery. Since aorta is directly connected to left ventricle, thus aortic pressure reflects changes from it.

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The diffusion of hydrogen ions down their concentration gradient allows ATP to be synthesized when H⁺ ions move through a channel in ATP synthase (Option D).

The ATP synthase is a protein used by the cell to generate adenosine triphosphate or ATP from adenosine diphosphate or ADP and phosphate, which requires an electrochemical gradient generated by pumping protons H⁺ through the mitochondrial inner membrane.

Therefore, with this data, we can see that ATP synthase is required to generate ATP by using an electrochemical gradient in the cell.

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