During puberty, the body goes through many internl and external changes. Puberty begins when an area of the brain called the hypothalamus starts signaling to the rest of the body that it is time to develop adult characteristics. These hormones cause growth and changes in different parts of the body.
Subject: English
Question: reread the paragraph that begins on page 2, and ends on page 3.
Click the underlined phrase that uses I literally device to make Northridge Junction seem like a desperate person.
The phrase "he clung to an exposed ledge over the valley from which the train had left" Northridge Junction seems like a desperate person, because out of feeling and/or despair he clung, in this sentence the verb to grab makes it seem like a desperate way not to be in danger of life.
What is despair?Despair is an emotional state of extreme tension, anxiety and fear.
The person immersed in this state cannot get out easily, because his negative perception contributes to his always being down. When recurrent, it becomes clinical and can take control of emotions.
A hallmark of clinical despair is the meaninglessness of feeling. There are no imminent threats, suffering or dangerous circumstances. Even so, the person experiences this state again and again.
What are the causes for despair?Despair is associated with some mental disorders, such as depression, anxiety, post-traumatic stress disorder, and especially panic syndrome.
Commonly, it is also caused by negative events in the person's life, such as trauma, divorce, dismissal, death of a loved one, abuse, use of chemical substances, among others.
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Which organ in the human body do you think is the most important? Explain.
Answer: The brain
Explanation:
The brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.
yes, i agree that it is your brain, *including every other organ you can't live without Imao* your brain is responsible for you walking, reacting to heat or whatever reaction. while you can't live without your heart, which is a common answer for this question, your nervous system has to be functioning properly (which is what your brain assists in) for your heart to pump correctly.
4. All enzymes have an optimal temperature at which they work as well as an optimal pH for their activity. Does this mean that enzymes only work at those specific temperatures and pH optimums? Briefly explain your answer using evidence from the unit that supports your answer.
Enzymes perform their functions within a specific temperature and pH range (which is specific for each enzyme in particular). In turn, within this range, there is a specific value at which they act in the most efficient way possible, which does not mean that they cannot on other values in the range. However, outside the limits of the range, the internal characteristic of enzymes can be affected and cause their denaturation, thus losing their capacity of action.
In the catabolic pathways, which two molecules are major electron acceptors? After they accept electrons, which electron carriers do they become? What is the primary function of the electron carriers?
The two molecules that are major electron acceptors in the catabolic pathways are NAD⁺ and FAD⁺, whereas NADH and FADH₂ can be considered as electron carriers. They play a fundamental role to produce energy as ATP.
What are electron carriers?The electron carriers are specific molecules that act during cellular respiration in order produce Adenosine triphosphate from ADP and phosphate, which is the energy coin of the cell.
Therefore, with this data, we can see that the electron carriers such as NADH and FADH₂ are fundamental for producing ATP, while NAD⁺ and FAD⁺ accept electrons during this process.
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How do abiotic and biotic factors work together within my ecosystem provided (Excuse the sloppy drawing I made, I really tried)
Within an ecosystem, there are different components that are part of it and that work together, and this interaction, ideally, creates an equilibrium in the ecosystem.
In the picture, we can see one abiotic factor such as the sun, that it's fundamental to the development of some biotic factors such as the producers. Some other abiotic factors could be water or minerals on the soil that plants use to survive. Later on, in the food chain, we can see how different types of biotic factors interact, being the producers eaten by the primary consumers, and so on. When the biotics factors die, they are decomposed by the decomposers such as fungi, producing organic and inorganic matter, closing the cycle.
hat is true about the relationship between cells and the organism they are part of?
The direct connection which exist between cells and the organisms they are part of is: Cells make up the basic structure of an organism, and they perform basic life functions for the organism.
The correct answer choice is option a
How is cell part of an organism?All living organisms are composed of cells. This goes to say that just as a building is made of bricks, so also the cells are the building blocks of living organisms and part of an entire organism.
A cell is the structural and functional unit of life. There are two major types of organisms based on the numbers of cells they possess. These are:
Unicellular organismMulticellular organismsSo therefore, the relationship between cells and organisms is that the cells are the basic structure which is life wire of an organism.
Complete question:
What is true about the relationship between cells and the organisms they are part of?
a. Cells make up the basic structure of an organism, and they perform basic life functions for the organisms.
b. Cells make up the basic structure of an organism, but they do not perform basic life functions for the organisms.
c. Cells perform basic life functions for the organisms, but they do not make up the basic life structure of an organism.
d. Cells do not make up the basic structure of an organism, and they do not perform basic life functions for the organisms.
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Identify the part of the heart.A) AortaB) Inferior vena cavaC) Superior vena cavaD )Pulmonary vein
The image points to a vessel that comes from the bottom of the heart and reaches its top to attach to it on the top. It is called aorta.
Therefore, the correct answer is A) Aorta
6. Cilia and flagella are used to move substances along the surface of the cell instationary cells. Which of the following is another function of cilia and flagella?A. They hold neighboring cells in a fixed position.B. They move cells through watery environments.C. They transmit waste materials away from the cell.
Cilia and flagella are structures present in the cells that can be used for movement in aqueous media, such as in the case of spermatozoa (flagellum) and Paramecium (cilia).
This means B, they move cells through watery environments, is the right answer.
Which is the most inclusive division of time on the geologic time scale?A. epochB. periodC. eraD. eon
The most inclusive division of time is the eon, which can be Archean, Proterozoic, Phanerozoic and they are divided into eras (Early/Middle/Late for the Archean and Proterozoic, Paleozoic, Mesozoic and Cenozoic for the Phanerozoic). Therefore, the correct answer is D. eon.
Poikilotetherms - how they use behavior to maintain body temperature
Because poikilotherms lack the physiological ability to generate heat, their body temperature tends to conform to that of their surroundings in the absence of any behavioral intervention. Poikilotherms include "cold-blooded" animals (Kearney et al.).
How poikilotherms maintain their body temperature?
Cold stress or heat shock can alter membrane properties in poikilotherms, causing damage and, potentially, death if not corrected quickly. Low temperature stress is mitigated by modifying membrane lipids to lower their average transition temperature.The hypothalamus, a part of our brain, regulates our internal body temperature. The hypothalamus compares our current temperature to the normal temperature of around 37°C. If our body temperature falls too low, the hypothalamus ensures that heat is generated and maintained.The metabolic rate of poikilotherms increases with increasing temperature. Poikilotherms respond to temperature increases with a standard performance curve that includes increased performance, a maximum, and then declining performance as temperature rises further.To learn more about : Poikilotherms
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Studying the devastating effects of a tsunami can be included in which type of
science?
Answer:
earth science
Explanation:
earth science is the study of earth, the atmosphere, and the outer space
Distinguish between monohybrid, dihybrid and test crosses.
In the monohybrid cross, the possible offspring of a cross between two organisms is evaluated, but only one characteristic is taken into account. While in the dihybrid cross two characteristics are evaluated.
However, unlike the monohybrid cross, in the dihybrid cross, combinations of alleles must be made in order to obtain all possible gametes and thus perform the punnet square properly. An example of a dihybrid cross and allele combination is shown in the following image:
Finally, a test cross refers to these two examples. A test cross taking into account only one trait is called a monohybrid cross. A test cross using 2 traits is a dihybrid cross.
What is the purpose of gathering information for your topic?
Group of answer choices
A. A scientist must research to understand the topic before being able to create a scientific hypothesis.
B. It is important to indicate to someone something you have observed in writing.
C. Gathering information would make the results skewed.
D. Creating the graph would help communicate the results efficiently.
Answer:
A. A scientist must research to understand the topic before being able to create a scientific hypothesis.
The skeleton is controlled by the muscular system. What is the muscular systemcontrolled by?A. The voluntary nervous system.B. The endocrine system.C. The involuntary nervous system.D. The exocrine system.
The muscles are controlled by the nervous system, The somatic nervous (voluntary) system is the part of the peripheral nervous system associated with the voluntary control of skeletal muscles.
On the other hand, the involuntary nervous system represents the movement of cardiac muscle, and gland cells.
Therefore, the skeletal muscles are controlled by the voluntary nervous system. The answer is a.
Heartburn occurs when stomach acid escapes the stomach and burns the tissues of the esophagus. Baking soda is sometimes
used as an antacid. How does baking soda help relieve symptoms of heartburn?
Baking soda is used as an antacid during heartburn because: (a) The baking soda is serving as a buffer to take up excess H+ ions from stomach acid.
Antacid is a medication used to neutralize to excessive acid inside the stomach and also cure heartburn as well as indigestion. They can come as liquids or as tablets. The composition of antacids must include aluminum hydroxide. magnesium carbonate, etc.
Baking soda is a bicarbonate with the chemical formula NaHCO₃. It is a very versatile compound used in a variety of ways like in cooking, as a odor repellant, for cleaning and also as an antacid.
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Scenario: In a population of spiders living on Arachnid Island, most of the spiders are gray; a few are brown. On nearby Spider Island, there is another population of the same species. There, most of the spiders are brown; a few are gray. The ocean between these islands is full of hungry fish, and the spiders don't swim, so there is very little movement of spiders between the islands.Initial makeup of each population:Arachnid Island: 90% gray, 10% brown Spider Island: 10% gray, 90% brownThen a bridge is built to connect the islands so that tourists can ride their bikes from one to the other. The bridge is also a nice environment for spiders, so they start to move back and forth between the islands.How do you predict the makeup of the populations will be changed if this movement continues for many generations? Answer the questions below to identify and describe this change in the population.1. Is this an example of mutation, selection, genetic drift, or gene flow?
Due to the building of the bridge, now both spiders population are communicated and are able to cross, this will lead to the allele frecuency to vary, which is an example of genetic drift.
Taste buds are located within the circumvallate and fungiform papillae. A) TrueB) False
There are four types of tongue papillae: (1) filiform, which is thin and wired shape and no taste buds, (2) fungiform, which is mushroom-shaped near the middle and with taste buds, (3) foliate, which is leaf-shaped near the sides and with taste buds, and (4) circumvallate papillae, which is whorls at the sides and with taste buds.
ANSWER: TRUE. There are taste buds in the fungiform and circumvallate papillae.
The complimentary base strands for TGA CAA CGA GGT ACT are start
The complimentary base strands for TGA CAA CGA GGT ACT are start
ACT GTT GCT CCA TGA.
Complimentary base strands- Adenine and guanine, as well as thymine and cytosine, are the complimentary bases in DNA. A nitrogen-containing base, such as guanine, adenine, thymine, or cytosine, a monosaccharide sugar termed deoxyribose, and a phosphate group make up each nucleotide in DNA.
The complimentary bases may unite to form a bond. This aids in holding the DNA molecule's two antiparallel strands together just to form the helix. The complimentary base pairing rule refers to this.
According to Chargaff's criteria, DNA from all cells of all creatures should contain a 1:1 ratio of pyrimidine & purine bases. More specifically, the amounts of guanine and adenine should be equivalent to cytosine and thymine, respectively.
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1. Which lobe of the brain is primarily responsible for integrating visual input (sight) and touch input from the skin?
A.frontal
B.occipital
C.temporal
D.parietal
Answer: D) the parietal lobe
Explanation:
- the parietal lobe is responsible for sensory perception and integration, including the management of taste, hearing, sight, touch, and smell. It also includes the brain's primary sensory area where the brain interprets input from other areas of the body
hope this helps :)
Answer:
I hope this helps.
Explanation:
Oxygen and carbon dioxide molecules pass freely through cell membranes. Which factor determines thedirection most molecules will pass through the cell membrane?A the strength of the covalent bonds holding the gas atoms in the molecules.B the concentration of the gas molecules on each side of the membrane.the ionic charge on the outer shell of the gas molecules.D the size of the gas molecules.
There are three factors that determine whether a molecule can pass through a cell membrane: concentration, charge and size. The greater the difference in concentration, the more rapid the diffusion. Large and heavier molecules more more slowly so they diffuse more slowly.
B. the concentration of the gas molecules on each side of the membrane.
Are there difference or similarities in the cell division between plant and animal cell?
There are both similarities and differences in the cell division between plants and animals. The process by which an existing cell divides itself into two daughter cells is called mitosis.
Some differences include:
Plants only go through mitosis in their meristematic tissues, but all animal organs go through it, except their reproductive cells.In plants, spindles form without the assistance of centrioles, whereas in animals, centrioles are necessary for the process.In plants, cytokinesis occurs when a cell plate develops inside the parent cell and extends outward until the cell divides. In animals, the cell is split by pinching and cleaving.In plants, the cell plate that expands centrifugally from the inside out is the centre of division. Animals experience centripetal cleavage, which happens from the outside to the inside.Eukaryotic cells, which include both animal and plant cells, share several characteristics. Common organelles including the cell membrane, cell nucleus, mitochondria, endoplasmic reticulum, ribosomes, and Golgi apparatus are among the organelles that share similarities.
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what is the term used to describe the process of producing gametes
Answer:
Gametes are formed through meiosis (reduction division), in which a germ cell undergoes two fissions, resulting in the production of four gametes. During fertilization, male and female gametes fuse, producing a diploid (i.e., containing paired chromosomes) zygote.
Using the drop-down menus, identify the structures common to all cells.
When looking at a stalk of celery that has been sitting in red food-coloredwater. Sarah notices the celery has red lines running through it. Why is thispossible?The roots absorbed the water.The stomata allowed the water in.The xylem transported the water through the stem and to the leaves of the plant.The phloem transported the water through the stem and to the leaves of the plant.
The xylem is a special tube of the plant that take up the red food coloring. The food coloring travels into the stem and into the leaves of the celery. It is increased by vaporization from the leaves of the celery. It is like blood exploring through the human body. This shows how the plants deliver the nutrients it absorb to all its parts.
Answer - Option 3 - The xylem transported the water through the stem and to the leaves of the plant.
Match the parts of the lac operon in E. coli, a prokaryote, to their function in generegulation.
Here we have the lac operator of E. coli, involved in lactose metabolism, regulators turn on and off the operon depending on the levels of glucose and lactose. Repressor lac blocks transcription in lactose absence, the promoter where RNA polymerase joins to start transcription, and the operator where the repressor will join. With this in mind, we can proceed to answer the question.
Repressor: Second option (protein that binds...)
Operator: Third option (sequence of nucleotides that controls...)
Promoter: First option (sequence of nucleotide where RNA...)
What type of food do both chemosynthesis and
photosynthesis make?
Answer:
Glucose (sugar)
What are four examples of nutrients cycled in biogeochemical cycles
Answer:Nutrient cycling rate depends on various biotic, physical and chemical factors. Examples of a nutrient cycle: carbon cycle, nitrogen cycle, water cycle, oxygen cycle, etc. Energy Flow and Nutrient Cycle
Explanation:4 Common Biogeochemical Cycles: (explained with diagram) Some of the major biogeochemical cycles are as follows: (1) Water Cycle or Hydrologic Cycle (2) Carbon-Cycle (3) Nitrogen Cycle (4) Oxygen Cycle. The producers of an ecosystem take up several basic inorganic nutrients from their non-living environment.
Why isn’t the mitochondria classified as part of the endomenbrame system
The endomembrane system encompasses the organelles that mediate the importa, export of molecules, that is, the transport of molecules from the environment to the cytoplasm and from the cytoplasm to the environment, respectively. The organelles that participate in such activities are the endoplasmic reticulum, the golgi apparatus, vacuoles and the cell membrane. Mithocondria's main purpose is energy production through oxidation of the carbohydrates/lipids we consume, thus, it is not related to molecule transport, and it can not be part of the endomembrane system.
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1. What lobe of the brain is located at the back of your head?
A.The temporal lobe of the cerebrum
B.The temporal lobe of the cerebellum
C.The occipital lobe of the cerebrum
D.The occipital lobe of the cerebellum
Answer: C
Explanation:
The occipital lobe is one of the four major lobes of the cerebral cortex and it sits at the back of the brain, therefore at the back of the head.
so the answer is C. The occipital lobe of the cerebrum
The occipital lobe of the cerebrum is located at the back of the head. Therefore, option C is correct.
The occipital lobe is located at the back of the head and is part of the cerebrum, which is the largest and most highly developed part of the brain. The occipital lobe is primarily responsible for processing visual information, including visual perception, interpretation of images, and color recognition.
It plays a crucial role in vision and is situated at the posterior (back) region of the cerebrum. It also contains the primary visual cortex, which is responsible for the initial processing of visual stimuli received from the eyes.
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What percent of your body mass is made of water?
Answer:
60%
Explanation:
In adult men, about 60% of their bodies are water. However, fat tissue does not have as much water as lean tissue. In adult women, fat makes up more of the body than in men, so they have about 55% of their bodies are made of water. Most of the human body is water, with an average of roughly 60%. The amount of water in the body changes slightly with age, sex, and hydration levels. The amount of water in the human body ranges from 60-80%. The brain and heart are composed of 73% water, and the lungs are about 83% water. The typical percentage of the human body that is water is 60% in adult men according to Dr Jeffrey Utz of Allegheny University and 50% in adult women.
