Answer:The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function.
Explanation:
Answer:
b, hormones
Explanation:
got it right on edge
How are plant and animal cells different?
Answer:
Plant cells have chloroplasts and a cell wall while animal cells don't. Animal cells are also more rounder, while plant cells have more of a rectangular box-like shape. There are more differences, but these are some of the main ones.
Hope this helped! :)
Answer:
The main difference between these cells is the that a plant cell has a cell wall and a rigid shape while an animal cell lacks a cell wall and its shape is circular.
Explanation: The plant cell has a robost and rigid shape due to the cellulose found in the cell wall. It's also important to note that a plant cell has a larger vacuole than that of an animal cell.
The burrowing owl is found in dry, open areas such as grasslands, prairies, savannas, deserts, farmlands, golf courses, and other urban areas throughout most of western United States and Florida, Central America, and most of South America. It makes its home in burrows of other animals and primarily eats insects and small rodents. As humans build more cities, nearby burrowing owl habitats change due to destruction of burrows and loss of prey. Which is the least likely outcome of the habitat changes that are described?
Answer:
its population would increase
Explanation:
it says the least likely outcome which is the population increasing
Answer:
C
Explanation:
In the dihybrid cross,_____of the parents had black fur and black eyes. The offspring_____.
Answer:
both,varied
Explanation:
Answer:
Both, Varied
Explanation:
edge 2022
Which of the following includes all the plants, animals, bacteria and other living things in an area?
- community
-consumer
-ecosystem
-population
Answer:
Community
Explanation:
Community includes all the plants, animals, bacteria and other living things in an area
Answer I am sure that the right answer is consumer
Explanation:
Chromosomes from each homologous pair are randomly sorted into daughter cells in a process called
amount of
This gives them a greater
A. Meiosis 1. divisions
B. crossing over, chromosomes
C. Independent assortment, genetic diversity
D. DNA sorting, accuracy
Reset Selection
Answer: A. Meiosis 1. division
Explanation:
Meiosis is a division process in reproducing sex cells
Chromosomes from each homologous pair are randomly sorted into daughter cells. This give them a greater meiosis 1. Divisions. The correct option is A.
What are chromosomes?Chromosomes are long thread like structure, they are present in pairs and the pairs are attached to each other by centromere. They contain genes.
The meiosis is the process of producing germ cells. When sperm and egg fuse, the chromosomes from each parent are taken into the daughter cell.
Thus, the correct option is A. Meiosis 1. Divisions.
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Which led to the formation of oceans after water on Earth’s surface evaporated? The sun released a strong burst of water vapor. As Earth cooled, water in the atmosphere condensed. Materials collided due to strong gravitational forces. The ozone layer formed to protect against harmful UV ray exposure.
Answer:
As Earth cooled, water in the atmosphere condensed.
Explanation:
B edg 2020
The process that led to the formation of oceans is, as Earth cooled, water in the atmosphere condensed.
Water cycleThe process that led to the formation of oceans after water on Earth’s surface evaporated can be explained using water cycle.
The evaporated water from the Earth's surface move into the atmosphere where it condenses before precipitating inform of rain. The precipitated water forms a large body of water known as ocean.
Thus, the process that led to the formation of oceans after water on Earth’s surface evaporated is as Earth cooled, water in the atmosphere condensed.
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The graph shows how the population of turtles in a freshwater pond has
changed over the years.
Turtle Population
250
225
200
175
150
Number of Turtles
125
100
75
50
5
6
10
Year
At which time has the turtle population reached the carrying capacity of the
pond?
A. Year 1
B. Year 5
C. Year 3
O D. Year 10
Answer:
B. Year 5.
Explanation:
In 5 years time the turtle population reached the carrying capacity of the pond. Carrying capacity of pond refers to the population of marine animals such as fishes, turtles etc can live and survive on the natural food available in the pond. If the food is present in large amount, than carrying capacity of the ecosystem is large. In pond ecosystem, the population of turtle decreases because the food is not sufficient to feed the existing population.
Answer:6 years
Explanation:
Along with tooth susceptibility, bacterial presence in the plaque, and sufficient exposure to promote acid production, what other factor is necessary for the development of dental caries
An available substrate for bacterial metabolism
Organisms are made up of one or more _____. energies cycles cells clones
Answer:
Cells
Explanation:
━━━━━━━☆☆━━━━━━━
▹ Answer
cells
▹ Step-by-Step Explanation
All living organisms are made of cells. There are single cellular organisms, and multicellular organisms.
Hope this helps!
- CloutAnswers ❁
Brainliest is greatly appreciated!
━━━━━━━☆☆━━━━━━━
2. How might a mutation that causes a single letter change in the DNA sequence affect
your protein structure and function?
Answer:
A mutation that causes a single letter change in the DNA sequence can affect your protein structure and function because the sequence of letters in a gene determines the sequence of amino acids in the protein that it encodes. A single letter change in the DNA alters the mRNA which alters the amino acid sequence of the resulting protein and sometimes that can cause serious results if it changes the way a protein works.
ex. sickle cell disease - a single letter swap in the gene that encodes the hemoglobin molecule results in deformed red blood cells
Hope that helps.
A certain drug is made from only two ingredients: compound A and compound B. There are
6 milliliters of compound A used for every
5 milliliters of compound B. If a chemist wants to make
726
milliliters of the drug, how many milliliters of compound B are needed?
A certain drug is made from only two ingredients: compound A and compound B. There are 5 milliliters of compound A used for every 4 milliliters of compound B. If a chemist uses 255 milliliters of compound A, how many milliliters of the drug will be made?
----------------------------------
4:5 is the same as 4x:5x where 4x is compound A and 5x is compound B.
---
Solve for "x":
If amount of compound A is 4x = 255
x = 255/4
------------------------------
Then amount of compound B is 5x = 5(255/4) = 318.75 ml
=========================
Cheers !!!
===============
Both the ER and Golgi have folds. what is the advantage of folds on an organelle? A. Increased surface area B. Increased volume C. Increased density
Answer:
A) Increased surface areas.
Explanation:
THe larger the surface area, more space available for chemical reactions.
Explique la importancia e incidencia del buen funcionamiento de las hormonas en el cuerpo del ser humano y que consecuencias puede tener si hay alteración en el nivel hormonal
Answer:
Las hormonas activan vías de señalización celular, con lo cual regulando el crecimiento, metabolismo y reproducción del organismo
Explanation:
Las hormonas son moléculas mensajeras que circulan a través del torrente sanguíneo para llevar a cabo diferentes funciones. Estas moléculas se unen a receptores específicos presentes en la superficie de las células con la finalidad de controlar diferentes aspectos de su funcionamiento. Las hormonas son principalmente producidas por glándulas endocrinas pero también pueden ser secretadas por células intersticiales y epiteliales.
Las hormonas se dividen cinco clases principales:
a- pequeños neurotransmisores implicados en el funcionamiento del sistema nervioso (gonadotropina, somatostatina)
b- derivados de aminoácidos que también tienen funciones neuromotoras (dopamina, catecolamina)
c- proteínicas asociadas a funciones metabólicas y del desarrollo (insulina)
d- hormonas esteroideas derivadas de colesterol (estrógenos) que regulan el desarrollo de las características reproductivas y metabólicas e inmunológicas
e- hormonas derivadas de vitaminas liposolubles A y D (retinoides) vinculados a mecanismos que previenen el envejecimiento celular
Organisms exhibit different types of adaptations as a means of survival. What type of adaptations do the caterpillar and the plant show in this interaction?
Answer:
The type of adaptations exhibited by both organisms depends the effects each exhibited on the other.
When natural selection acts on the variation passed from generations to generations in a population,the organism involved are best fitted to survive in their habitats.The Ability of species of organisms to be best fitted against the selective pressure,so that it is naturally selected in the population is called adaptation.It is one of the driving force of evolution.
in this scenario the caterpillar,is camouflage by its green color,which blend with that of the leaves.And therefore ensure the escape from the predators e,g birds,spiders,reptiles This is an example of structural adaptation.Since it is the structural characteristics of the caterpillar that adapted it to its environment.
Likewise in the case of the plants,despite harbouring the caterpillar it ensures it does not destroy it physiological make up,by releasing chemical substances to keep away the organisms.This is called physiological adaptation,because certain biochemical substances are diffused by the plants in response to the caterpillar (stimulus), to keep off the organisms away,to ensure the survival of the leaves.Since physiology is the study of function of an organisms,changes in biochemical and cellular reactions must be responsible for the biochemical substances produced.
Answer:
Structural and functional I think
Explanation:
For Plato
Which scientist performed an experiment with curved-necks flasks in order to further support the results of Redi's experiment? A. Louis Pasteur B. Charles Darwin C. Ludwid Hirszfeld D. Stephen Hawking
Answer:
The answer is A. Louis Pasteur
Explanation:
Countinuing Redi's experiment, Pasteur said that if spontanous generation had been a real thing, the germs would have eventually found its way back into the broth, but it couldn't since the curved neck of one flask blocked the germs.
A person in a dark room looking through a window can clearly see a person outside in the day light . But a person outside cannot see the person inside
Explanation:
The explanation for this is that the space outside is illuminated with light from the sun. The person inside has either a lesser or no illumination at all. The dark inside room appears dark, and darkens the surface of the window facing inside, making it act like the silvered surface of a mirror. When the outside observer looks at the window, the window acts as a mirror, reflecting the light from the sun onto the eyes of the outside observer. For the inside observer, some of the illumination from outside finds its way inside, since the outside window surface is well lit, carrying with it the sensation of vision onto the eyes of the inside observer.
Do you know the Transcription factor name for lapF and naphthalene dioxygenase?
Answer:
The LapF gene encodes one of the largest proteins from Pseudomonas putida, it is required for the bacterial colonization on the solid surfaces; while naphthalene dioxygenase is an enzyme required for the process of aerobic degradation of naphthalene.
Explanation:
LapF is a gene of Pseudomonas putida that is critical during the process of plant root colonization. Mutations in this gene have shown to reduce the ability to colonize plant tissues. On the other hand, the naphthalene dioxygenase gene is also encoded by the genome of Pseudomonas strains. The naphthalene dioxygenase protein catalyzes the hydroxylation of different substrates, however, this enzyme is widely known for acting during the degradation of naphthalene, an organic chemical compound that is toxic in humans.
which of the following is an adaption that helped plants survive on land? A. a bony skeleton B. a diploid form C. photosynthetic cells D. formation of a cuticle
Answer:
D
Explanation:
The cuticle of a plant helps protect its aerial epidermis from things like environmental stresses and desiccation.
Answer:
D
Explanation:
Which of the following actions involves voluntary muscle movement? A.movement of food through the digestive tract B.movement of blood through the blood vessels C.beating of the heart D.making of faces
Answer:
D. Making of faces
Explanation:
Voluntary muscle movement is where us humans can choose to move and control how our muscles move.
The first three answer choices are involuntary, since the body does that itself without us controlling it.
However, making faces is voluntary and we choose to do that.
Making of faces is the action that involves voluntary muscle movement. Therefore, the correct option is D.
What is voluntary muscle movement?Voluntary muscle movement refers to the controlled, conscious contraction and relaxation of muscles that result in specific movements or actions.
This type of movement is initiated and directed by the conscious decision-making processes of the brain, and requires the activation of nerve cells that stimulate the muscles to contract.
Examples of voluntary muscle movements include movements such as walking, running, jumping, lifting objects, playing sports, making different type of faces and performing other types of physical activities. Therefore, the correct option is D.
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A scientist is studying fruit fly wings. Straight wings are dominant, and curly wings are recessive. Which statement correctly describes the F1 generation if a straight-winged parent is crossed with a curly-winged parent and if both parents are true breeding? The offspring will have two genes for straight wings. The offspring will produce only gametes that have genes for curly wings. The offspring will have one allele for straight wings and one allele for curly wings. The offspring will have only one kind of allele for the gene that determines wing type.
Answer:
C
Explanation:
its right
Tomas had low levels of calcium in his body. Vitamin D is essential in maintaining a calcium balance. He started taking vitamin D supplements. Because Tomas took high doses of vitamin D, the calcium levels in his body increased. Which endocrine glands will help maintain homeostasis by regulating the increased calcium levels?
Answer:
calcitonin
Explanation:
Calcitonin is a hormone which helps in lowering the high blood calcium levels. It is secreted by thyroid glands. Parathyroid glands are responsible for increasing calcium level in the blood while calcitonin hormone work against parathyroid glands and helps in lowering calcium level. Calcitonin hormone inhibit the activity of osteoclasts which are responsible for releasing of calcium from bones into the blood.
Match each measurement tool with what it measures
Answer:
Thermometer measures temperature
Hygrometer measures humidity
Anemometer measure wind speed
Weather vane measure wind direction
Explanation:
4. What are some of the characteristics that vertebrates share? (Choose all that apply)
endoskeletons and a backbone
joint appendages
highly developed senses and nervous systems
external protective structures
Answer:
The answers are
endoskeletons and a backbone
highly developed senses and nervous systems
Hope this helps you
A. Mitochondria
B. Converts energy
in the cell
C. Stores food and
water in the cell
D. Mitochondrion
What letter does not belong in each group and explain your thinking ?
Answer:
from the first Table ....letter c is not involved because mitochondria is the plural of mitochondrion which is the power house of the cell ...its used to convert energy in the cell
From the second Table ....letter C is not involved because it's not part of the cell theory as proposed by other options
Scientists use statistics to
- all of the above
- graph data.
- analyze data
communicate ideas to each other.
The equation shows cellular respiration. During cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and ATP. What happens to the energy in the bonds in glucose? The energy is transferred to oxygen. The energy is transferred to carbon dioxide. The energy is transferred to water. The energy is transferred to ATP.
Answer:
It's D
Explanation:
checked edg 2022
During cellular respiration, the energy in the bonds in Glucose is transferred to ATP. Thus, the correct option for this question is D.
What is Cellular respiration?Cellular respiration may be defined as the process through which the molecules of Glucose are transformed into energy in the form of ATP within cells in the presence of oxygen. This glucose is synthesized by the organisms with the help of food.
During the process of cellular respiration, glucose combines with oxygen to form carbon dioxide, water, and ATP. The energy stored in the molecules of glucose is converted into energy in the form of ATP which is utilized in order to accomplish all sorts of metabolic activities necessary for the survival of living organisms.
Therefore, the energy is transferred to ATP by the dissociation of the bonds in Glucose. Thus, the correct option for this question is D.
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Which of the following are ways that DNA can undergo mutation? A. During DNA replication, the wrong base is added to the strand as it is being built. B. A virus inserts its DNA into the DNA of another organism. C. High-energy waves like UV light or radiation physically damage the DNA. D. A repair DNA polymerase fixes a damaged DNA strand.
Answer: Option C.
High-energy waves like UV light or radiation physically damage the DNA
Explanation:
Mutation is the change or alteration that occur in the DNA sequence or nucleotides sequence of an organism which is caused by mistakes when the organism is copied or environmental factors such as UV light.
Ultraviolet light cause mutations by activating the SOS repair systemof which is a part of i a new DNA polymerase that has no power to edit e but has the ability to move past the thymine dimer and synthesize DNA, This lead to cells able to replicate but with a high frequency of mutations.
Smurfs live in widely separated groups and rarely interbreed, so geneticists know very little about them. On one occasion, two smurfs from different groups did mate. A big-footed, white smurf mated with a small-footed, blue smurf. Three offspring resulted: one big-footed and blue and two small-footed and blue.Which statement about the inheritance of color in smurfs is most likely to be correct?
Answer:
See the answer below
Explanation:
The most correct statement would be that the blue color is dominant over the white color.
According to Mendelian law, when there are two different versions of the same gene/trait in which one is dominant and the other is recessive, the dominant version will be expressed while the recessive version only stays in the background.
In this case, the alternate versions of the same trait in the smurf are the white and blue colors. When they are mixed together in the offspring, the blue color is expressed and the white color stays in the background. It means the blue color is dominant over the white color.
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After getting the slide and microscope ready, Stella is eager to see the microscopic pond water specimen! She crouches around her microscope and aligns her eye with the microscope’s eyepiece. But she's only able to see a bright white light. At this point, no specimens or cells are visible on Stella's pond water slide. After taking a moment to collect her thoughts, Stella realizes she can't see any lifeforms because a.the microscope is not yet in focus b.the microscope is not plugged in c.there are no specimens on the slide d.she hasn't fastened the slide to the stage
Answer:
she hasn't fastened the slide to the stage
Explanation:
In Microscopy even if the slide is not yet in focus,she will be able to see part of the slide which may appear as transparent image.Therefore this is a wrong answer.
If the microscope is not plugged it light can not come up.
If there are no specimen on the slide,the slide will still as transparent image at the focus.
No doubt Stella forgot to fasten the slide to the stage.,therefore the specimen on the slide was not in focus of the objective lens,rather she was focusing on the stage only,hence the visible white light.
Students make these mistakes in microscopy,they sometimes place the slide on the stage,but forget to fasten the stage clip,thus the slide is not in focus of the incident light,which gives no reflection to the viewer's eyes.
Which of the following energy sources causes the most pollution? A. coal B. biomass C. neutrons D. geothermal
Answer:
A. Coal
Explanation:
The other forms listed are "clean" energy sources.