Answer:
The DNA of most bacteria is contained in a single circular molecule, called the bacterial chromosome. The chromosome, along with several proteins and RNA molecules, forms an irregularly shaped structure called the nucleoid. This sits in the cytoplasm of the bacterial cell.
What is the original source of energy for gasoline?
O plants
O Sun
O petroleum
O fossil fuels
Answer:
Sun
Explanation:
Many people place bat boxes on their property to provide housing that attracts insect -eating bats. Explain how this activity has a positive effect on the environment.
Answer:
Bat boxes at homes provide housing to insect-eating bats which has two major positive effects on the environment:
Bat boxes provide bats a natural habitat and they act as natural pest control in the environment. They are very helpful for reducing or controlling the population of mosquito and balance the food chain in the environment.Bat is known as very good pollinators which helps in the pollination of flowers or spread their seeds. So bat boxes at home increase pollination in nearby areas and increase biodiversity in the environment.Hence, bat boxes at houses have a positive effect on the environment.
Which of the following leaves the
biosphere once put back into the
atmosphere?
A Nutrients
B. Heat
D. Water
Which is part of the theory of evolution by natural selection?
A. All animals in a population are able to reproduce.
B. Animals have no variation among themselves.
C. Adaptations cannot be passed along to later generations.
D. Small changes add up over many generations.
Answer:
D. Small changes add up over many generations.
Explanation:
It's not A because not all animals in a population can always reproduce. Some may be infertile.
It's not B because genetic variety is something that occurs naturally. Because of genetic variety, random mutations can occur (these mutations later become adaptations).
It's not C because adaptations can be passed down to later generations. These adaptations can lead to natural selection which eventually leads to evolution.
What’s the most common type of mutation observed in living populations
What is an important by-product of the photosynthesis reaction?
What macromolecules make up most of the structure that is shown?
A. carbohydrates
B. lipids
C. nucleic acids
D. proteins
Answer: B. Lipids
Explanation:
The macromolecules that make up most of the structure that is shown is lipids.
What are lipids?Lipids are organic compounds that consists of fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
From the given image we can conclude that, the macromolecules that make up most of the structure that is shown is lipids.
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(URGENT) What system in the body carries information from the glands and organs to the brain? A. Lobe system B. Neural Feedback System C. Endocrine System D. Nervous System
Sensory neurons transmit nerve impulses from sense organs and internal organs to the brain via the spinal cord. In other words, they carry information about the inside and outside environment to the brain. Motor neurons transmit nerve impulses from the brain via the spinal cord to internal organs, glands, and muscles.
thank you hope it helps
The system in the body which carries information from the glands and organs to brain is endocrine system.
What is endocrine system?
All mammals, birds, fish, and many other forms of living things have endocrine systems, commonly known as hormone systems. They are composed of:
Throughout the body, there are glands; hormones that are produced by the glands and released into the bloodstream or the fluid around cells; and receptors in various organs and tissues that detect the hormones and react to them.
All bodily components are affected by hormones, but only target cells with the right receptors can react. In both humans and other vertebrates, more than 50 hormones have been discovered.
Therefore, The system in the body which carries information from the glands and organs to brain is endocrine system.
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In Hard Times, by Charles Dickens, Sissy's father abandons her, yet she continues to hope for his return. What is
Dickens revealing through this characterization of Sissy?
o that everyone should have hope
that hope is futile
O that hope is ridiculous
O that hope is essential for humans
Answer:
B is Incorrect
Explanation:
A student made a model of an onion skin cell she viewed using a microscope. The scale is 1:500.The students cell model has a length of 15cm. How many centimeters is the real cells length?
Answer:
Length of the real cells = 7500 cm
Explanation:
A scale model is a physical representation of an object that has the same aspects as that of the object.
A scale model can be used in fields like engineering, film making, salesmanship, etc
Length of the student's cell model = 15 cm
The scale is [tex]1:500[/tex]
So,
Length of the student's cell model / Length of the real cells = [tex]1:500[/tex]
15 / Length of the real cells = [tex]1:500[/tex]
Length of the real cells = 15 × 500 = 7500 cm
Answer:
7500 cm
Explanation:
we in the same grade problem i am on this test
2 Points
How does the endocrine system affect the excretory system?
A. It sends messages using hormones.
B. It allows oxygen to diffuse across membranes.
C. It sends messages along action potentials.
O D. It produces digestive enzymes.
SUBMIT
Answer:
Option A
Explanation:
The endocrine system and the excretory system works hand in hand in maintained thé functions of the body and in this context that kidneys. The hypothalamus functions in monitoring the amount of electrolytes in the blood and an increase in this amount indicates dehydration among others, whose cause might be s a result of low water intake, too much sweat etc. Detecting this, the hypothalamus signals for the secretion of antidiuretic hormone which moves to the kidneys and stimulate the organ to reabsorb more water. This hormone is transferred to and released by the pituitary gland all these being part of the endocrine system.
Which of these is a carbohydrate? A. C6H12O6 B. C6H6O12 C. C6H13O2N D. C3H7O2NS
Answer:
A. C6H12O6
Explanation:
edge 2021
What happens when muscles in the frogs body wall contract?
In this phylogenetic tree, which two organisms on the tree would be expected to share the most characteristics?
sac fungi and cnidarians
amoebas and sponges
choanoflagellates and cnidarians
cnidarians and animals with bilateral symmetry
Answer:
Cnidarians and animals with bilateral symmetry.
Explanation:
I don't have a very good explanation as to how I got this answer, but I can tell you that I got this question right in my test. Good luck with yours. :)
Helppp!
Which statement describes an endocrine function rather than an exocrine
function?
O A. Pyloric glands release mucus into the stomach.
B. Salivary glands release saliva into the mouth.
O C. Cells in the pancreas release insulin into the blood.
D. Sweat glands release sweat onto the skin.
10. Which describes products that help people meet needs or solve problems?
models
feedback
.
technology
science
Design models ig idk
(◕‿◕✿)
3
How does rain form?
Water rises, cools, evaporates, and then condenses.
Water cools, condenses, evaporates, and then rises.
Water evaporates, cools, rises, and condenses.
Water evaporates, rises, cools, and then condenses.
Answer:
D
Explanation:
If there are 10 chromosomes in a particular cell at the start of prophase how many will be present in the same cell at the end of anaphase. Before cytokinesis has begun? Hint: first of all, state the number of chromosomes. Then explain why you think so.
Answer:
20 chromosomes
Explanation:
Mitosis is a kind of cell division that results in daughter cells with same number of chromosomes as the parent cell. It involves stages including Prophase, Metaphase, Anaphase and Telophase. In prophase, the Chromatin condenses into Chromosomes.
In Anaphase stage, the 10 chromosomes as mentioned in the question divides into opposite poles of the cell. One individual chromosome contains two sister chromatids, which actually separates in the Anaphase stage. Hence, at the end of the Anaphase stage, there will be 10 chromatids each at opposite poles of the cell. Each chromatid at this stage is considered a chromosome.
Hence, a cell with 10 chromosomes will contain 20 chromosomes (10+10 chromatids on each pole) in the Anaphase stage just before the cell divides into two in a process called CYTOKINESIS.
The Hardy-Weinberg equation shows the frequencies of 100 percent of the alleles for a specific gene in a population.
If biologists can show that either p or q is changing over a period of time, what is occurring in the population?
The population is evolving.
The population is decreasing in size.
The population is stabilizing.
The population is not evolving.
Answer: I believe that the answer is that the population is evolving
Explanation: I hope that this helps
In Hardy-Weinberg equation, If biologists can show that either p or q is changing over a period of time, the population is decreasing in size.
What do you mean by Hardy-Weinberg equilibrium?The Hardy–Weinberg principle, also known as the Hardy–Weinberg equilibrium, model, theorem, or law, states that allele and genotype frequencies in a population will remain constant from generation to generation.
The Hardy-Weinberg equilibrium is a principle stating that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
For populations in the Hardy-Weinberg equilibrium, the equation connects allele frequencies to genotype frequencies. This equation allows us to compare a population's genetic structure in reality over time to the expected genetic structure.
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What will a hypothesis become if it is supported by repeated
experimentation?
A. A scientific theory
OB. A conclusion
C. A prediction
D. A control
Answer:
I would go with a conclusion because the study is repeated.
Explanation:
The vaccine in a flu shot contains weakened flu viruses. How does a flu shot
work with the immune system?
O A. It delivers antibodies to the muscles.
B. It delivers antibiotics.
C. It activates macrophages.
D. It activates the production of memory cells.
VERY EASY QUESTION. WILL MARK BRAINLIEST When is the peak hurricane season for the Atlantic Ocean Basin, and why do hurricanes peak during this time? August to October, because ocean temperatures are the warmest around the equator at that time August to October, because the atmosphere is the driest around the equator at that time September to December, because the atmosphere is the driest around the equator at that time September to December, because ocean temperatures are the warmest around the equator at that time
Explanation:
When is the peak hurricane season for the Atlantic Ocean Basin?
The official hurricane season for the Atlantic Ocean Basin is from 1 June to 30 November.
Why do hurricanes peak during this time?
Although the Atlantic hurricane season officially began on June 1st, a roughly eight-week period that is often the most active and dangerous time for tropical cyclone activity.
Mandy and Pat are discussing a movie that showed someone being injured by radio waves. Mandy says that's not likely because radio waves are low frequency and low energy, and Pat says that it is likely because otherwise they would not put it in a movie. What is the best way to help them decide if the information is true?
Answer:
I think the answer is C.
Explanation:
The best way to help them to decide about the information of the scenario is that they can use reliable web sites or books to get more information. The correct option is C.
What are reliable information?Reliable information or data is accurate or trustworthy: Broker-dealers must use their discretion when determining whether issuer information is reliable.
Trustworthy information/data/evidence currently, investors do not always have timely access to reliable information.
Reliable data must come from trustworthy sources. A reliable source will provide a "thorough, well-reasoned theory, argument, etc. based on strong evidence," according to UGA Libraries.
Scholarly, peer-reviewed articles and books are examples of highly credible sources.
Recognizing the type (genre) of knowledge you are going to encounter allows you to predict its form, function, and context, making what you find more understandable and assisting you in determining the information's relevance and validity.
Thus, the correct option is C.
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Your question seems incomplete, the missing options are:
They can write a letter to the director.Movies are reliable sources, so they can assume Pat is correct.They can use reliable web sites or books to get more information.They can watch another movie in the series to see what happens next.What are some positive affects of slow change in the ecosystem
Answer: slow changes in the ecosystem can be great because then there is a higher chance of less rapid spikes in the ecosystem of pollution, carbon dioxide in the air, and chemicals that aren't good for us.
Explanation:
Which reason best explain why carbon is able to form macromolecules?
Answer:
It can form four bonds. It is small and can form long chains
Explanation:
The carbon atom has specific properties that enable it to form covalent bonds to as many as four separate atoms, rendering this flexible factor suitable as a simple structural part.
hope this helped!
describe factors that affect how the sun warms earth
Energy from the Sun is very important to the Earth. The Sun warms our planet, heating the surface, the oceans and the atmosphere. This energy to the atmosphere is one of the primary drivers our weather. Our climate is also strongly affected by the amount of solar radiation received at Earth.
I do not know if it's okay.
Which pedigree symbol is used to represent a female carrier of a recessive X-linked trait?
Answer:
B.
Explanation:
Answer:
Half-Circle
Explanation:
What are some examples of comparative embryology in evolution?
Answer:
Similarities in structure among distantly related species are analogous if they evolved independently in similar environments. They provide good evidence for natural selection. Examples of evidence from embryology which supports common ancestry include the tail and gill slits present in all early vertebrate embryos.
Why a specialized cell does not undergo mitosis?
Answer:
Because Not all cells divide
Explanation:
Which of these would be useful in determining the species diversity of a pond ecosystem?
Select one:
Classifying the types of ecosystems that surround the pond
Sampling areas of the wetland and identifying all the plant and animal species present
Performing a DNA analysis of all the reptiles found in the ecosystem
Counting the number of red wing blackbirds
Answer:
I'm pretty sure It's Sampling areas of the wetland and identifying all the plant and animal species present
Explanation:
