Answer:
A non-renewable source of energy is coal.
Explanation:
The mineral coal is a brown or black rock, of sedimentary origin, that comes from organic matter, so it is considered a fossil fuel.
Currently, coal is used as an energy source, since its combustion produces a great amount of heat. However, the speed with which coal is consumed is faster than its production —which can last millions of years— so it is considered a depletable or non-renewable energy source.
The other options, such as hydroelectric, solar and wind energy are renewable energy sources.
what will happen to energy levels in an ecosystem if the water cycle is disrupted
Answer:
Okay if the water cycle is disrupted ...the energy levels in an ecosystem will decrease
Explanation:
This is mainly because water is mainly used in energy recyclability and so that water is converted to energy through the ecosystem and the presence of water makes the energy to be there in adequate and so if the water cycle is disrupted the energy will decrease
how do villi help to increase the absorption of digested food in to the blood stream
Answer:
The cells of the villi and another part of the small intestine, known as the crypts, transport food from the digestive tract into the bloodstream, where they can be used by the body. The villi aid in absorption by increasing the surface area of the intestine and contain specialized cells which transport different types of nutrients into the blood.
Explanation:
During passive transport, substances travel___The concentration gradient
Answer:
During passive transport, substances travel with the concentration gradient.
During passive transport, substances travel with the concentration gradient.
What is passive transport?Passive transport is defined as the type of the membrane transport that has to be required energy that has to move the substances just across the cell membrane. In place of using the cellular energy just like in the process of the active transport as well as passive transport that relies on the second law of the thermodynamics that has to drive the particular movement of the substances just across the cell membranes.
During passive transport, substances travel with the concentration gradient. In place of using the cellular energy just like in the process of the active transport as well as passive transport that relies on the second law of the thermodynamics that has to drive the particular movement of the substances just across the cell membranes. Passive transport is defined as the type of the membrane transport that has to be required energy that has to move the substances just across the cell membrane.
Therefore, Passive transport is defined as the type of the membrane transport that has to be required energy that has to move the substances just across the cell membrane.
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Where are the electron transport chains of cellular respiration located?
(a) in the inner membrane of the mitochondrion
(b) in the matrix of the mitochondrion
(c) in the intermembrane space of the mitochondrion
(d) in the outer membrane of the mitochondrion
1. Let's suppose that a gene affecting pigmentation is found on the X chromosome (in mammals or insects) or the Z chromosome (in birds) but not on the Y or W chromosome. It is found on an autosome in bees. This gene exists in two alleles, D (dark), which is dominant to d (light). What would be the phenotypic results of crosses between a true-breeding dark female and a true-breeding light male, and the reciprocal crosses involving a true breeding light female and a true-breeding dark male, in the following species
Note: The question is not complete. The following species are:
1. Birds
2. Drosophila
3. Bees
4. Human
Answer and Explanation:
1. BIRDS
Birds have Z-W breeding system, males being ZZ and females being ZW
Cross 1: true-breeding dark female and a true-breeding light male
Parental) ZDW x ZdZd
F1) 1/2 = 50% of the progeny will be dark, ZDZd (males)
1/2 = 50% of the progeny will be light, ZdW (Females)
Cross 2: true-breeding light female and a true-breeding dark male
Parental) ZdW x ZDZD
F1) 100% of the progeny will be dark, ZDZd + ZDW (both sexes)
2. DROSOPHILA
They have the X-Y system, so
Cross 1: true-breeding dark female and a true-breeding light male
Parental) XDXD x XdY
F1) 100% of the progeny will be dark, XDXd + XDY
Cross 2: true-breeding light female and a true-breeding dark male
Parental) XdXd x XDY
F1) 50% of the progeny will be dark, XDXd (Females)
50% of the progeny will be light, XdY (Males)
3. BEES
Haplo-diploid system
Cross 1: true-breeding dark female and a true-breeding light male
Parental) DD x d
F1) 100% Dark individuals
Cross 2: true-breeding light female and a true-breeding dark male
Parental) dd x D
F1) 50% of the progeny will be dark, Dd (females)
50% of the progeny will be light, d (males)
4. HUMAN
X-Y System
Cross 1: true-breeding dark female and a true-breeding light male
Parental) XDXD x XdY
F1) 100 % of the progeny will be dark, XDXd + XDY
Cross 2: true-breeding light female and a true-breeding dark male
Parental) XdXd x XDY
F1) 50% of the progeny will be dark, XDXd
50% of the progeny will be light, XdY
Which of these particles is the smallest?
Group of answer choices
a proton
an atom
a nucleus
an electron
Answer:
Electron
Explanation:
This would be the smallest electron since its mass is the smallest.
how do you inquire data in a certain field of study?write your top three methods and
describe each
Answer:
a review of published literature (secondary data collection)carry out interviewsperform a surveyExplanation:
1. Review published literature: This method involves reading through already published works containing meaning data about the particular field of study. For example, you read through textbooks, past newspapers, magazines, academic papers, etc.
2. Carry out interviews: This simply requires face to face or a virtual one on one interactive session with your respondents in other to record the data they provide.
3. Perform a survey: A survey here implies that issuing out a paper-based questionnaire or an online questionnaire (form) to be filled by the subjects of the research.
The top 3 methods that i use to inquire data in a certain field of study are;
1) Interviews
2) Questionnaires and Surveys
3) Observations
Methods of Collection of DataThere are different ways of collecting data for an experiment or research or study but my 3 top methods are as follows;
Interviews; Interviews are basically a structured conversation whereby the person seeking for data asks questions from other people who provide the required answers.Questionnaires and surveys; A questionnaire is simply any written set of questions that are targeted at seeking responses from participants, while a survey includes both the questionnaires and the process of collecting, aggregating, and analyzing the responses from those questions.Observation; This is primarily an effective research technique whereby i observe the ongoing behavior/response of certain individuals or participants to make a conclusion or inference.Read more about Collection of Data at; https://brainly.com/question/8100970
OHELP PLEASE HELP PLZ HELP
Light Dependent
light activated clorophil splits the H2O molecules
released to environment
o H+ is 'carried by electron carriers (NADP+) to light-independent reaction
O ADP + P is turned into
Light Independent
o Uses
Uses the
from environment
(carried by NADPH) and
from the light dependent reaction as source
O
of energy
Builds CH1,0 molecules
(aka, glucose/carbohydrates/sugars)
Answer:
Light-dependent
Sun light activated chlorophyll splits the H20 moleculesOxygen is released to the environmentH+ is 'carried by electron carriers (NADP+) to light-independent reaction ADP + P is turned into ATPLight-independent
Uses carbon dioxide from the environmentUses the electrons (carried by NADPH) and ATP from the light dependent reaction as source of energyBuilds CH1,0 molecules (aka, glucose/carbohydrates/sugars)Explanation
The light-dependent reactions of photosynthesis require energy from the sun to split a molecule of water into hydrogen and oxygen. The oxygen is released and the hydrogen ions are used as energy for the next steps, as is ATP.
In the light independent reactions, sugar is made from carbon dioxide using the energy from the light-dependent steps
Is bacteria a living thing
Answer:
Yes
Explanation:
"Bacteria (singular: bacterium) are a major group of living organisms. Most are microscopic and unicellular, with a relatively simple cell structure lacking a cell nucleus, and organelles such as mitochondria and chloroplasts.Bacteria are the most abundant of all organisms."
Answer: Yes, bacteria is a living thing
Explanation:
Which statements describe properties of stars? Check all that apply.
A. Stars produce energy through nuclear fusion.
B. Stars produce energy through gravity.
C. Stars are massive objects composed of gas.
D. Stars are solid objects that we could stand on.
E. Stars are composed primarily of hydrogen and helium.
F. Stars are composed primarily of liquids such as water.
Assume cube B was broken into many irregularly shaped pieces. Compared to the density of the entire cube, the density of one of the pieces would be
Answer:The same
Explanation: even thought the cube is split in many pieces the density stays the same
Because breaking the thing into pieces divides the mass and volume by the same factor, the density does not change. Additionally, regardless of a substance's size, its density is constant.
What is density relation with shape of object?An intensive property is density. This implies that the density of the substance will remain constant regardless of the shape, size, or amount of the thing.
Each component of the thing would have the same density even if you divided it into a million pieces.
For instance, despite the cube being divided into numerous parts, its density remains constant.
In a solid, the atoms or molecules are typically arranged in an orderly or occasionally crystalline structure,
Whereas in a liquid, they are free to move around with little restrictions. Because of this, the solid has a higher density.
Therefore, the density of one of the pieces is remained unchanged.
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I'm dropping out
I'm tired of University, I'm sick of all my professors for treating me harshly especially during these hard times, and I hate taking midterms.
I'm currently a college freshman in the middle of the semester, and things have been pretty tough. I've been procrastinating the whole week because I had everything going on and I couldn't keep up. I'm a biology major (pre-med) and I have to take two science classes. I suck at managing time and I suck at studying. I feel like I cannot do this. Also, whenever I do my assignments, my professors grade so friggen harshly & give me unfair grades even though I work all the way through midnight finishing it.
I'm a good student, it's just that you know some people can be burned out. I am burned out and college has just been draining my soul each day. Should I drop out?
Answer:
Hey do you want to talk about it? Its going to be okay.
Explanation:
Suggest an experiment that could be used to determine the function of the proteins in the
plasma membrane.
HELP ASAP PLEASE!! WILL MARK BRAINLIST TO WHO FIRST ANSWERS
proteins in the plasma membranes help aid in the formation of several thihngs like muscles, hair, and amino acids which is made from transcriiption of the RNA from the DNA
Large complicated molecules crucial for cell construction and function are known as proteins. They are made up of various amino acids connected by the peptide bonds.
They are an important element of the cell layer as they carry nutrients across the membrane.To find the function of membrane proteins tests like fluorescence recovery following photobleaching can be used to determine the mobility of the proteins.Another method of nitrocellulose blots treatment by glutaraldehyde can be employed.To learn more about plasma membrane proteins follow the link:
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PLS HELP i will make you the brainliest!
1) In order to see the sides of underwater hills, scientists use _____ to get an angle view of the ocean floor.
2)You would expect to find beaches along the continental ______.
3)Caverns, lakes, sinkholes and springs are types of _____ formation.
4)A ____ is found on the sea floor of the continental slope.
Ecosystem services
Define regulating services in your own words
Define providing services in your own words
Answer:
it is a service that is responsible for enforcing laws relating to environmental health,trading standard,licensing and planning enforcement.
Providing services means to directly or indirectly own,manage,controls or be employed or engaged by,p participate in,etc
What are these called? EcoRI, BamHI, HindIII?
Answer:
Restriction enzymes
Explanation:
which of the following is true about nucleic acids
Answer:
b. is the answer
Explanation:
Both DNA and RNA are both nucleic acids
Double membrane layer surrounding the nucleus
Answer:
nuclear envelope
Explanation:
By definition, the nuclear envelope is a double layered membrane that surrounds the nucleus.
All atoms of the same element must have the same number of ________
A. protons.
B. neutrons.
C. compounds.
D. electrons.
Answer:
A. Protons
Explanation:
They must have the same number of protons. But they can have a different amount of neutrons.
In living organisms, lipids function mainly as
A) sources of stored energy and transmitters of genetic information
B) transmitters of genetic information and catalyst of chemical reactions
C) catalysts of chemical reactions and components of cellular membranes
D) sources of stored energy and components of cellular membranes
BRAINLIEST FOR CORRECT ANSWER
In living organisms, lipids function mainly as sources of stored energy and components of cellular membranes, which are present in Option D, as lipids are a diverse group of molecules that perform various functions.
What are lipids?Lipids can be broken down through a process called hydrolysis to release energy that can be used for cellular processes, and this energy storage is particularly important for organisms that need to survive for extended periods without a steady supply of nutrients, lipids also play a crucial role in forming the cellular membrane that surrounds and protects cells, such as the phospholipid bilayer, which is a key component of cellular membranes and is made up of two layers of phospholipid molecules.
Hence, in living organisms, lipids function mainly as sources of stored energy and components of cellular membranes, which are present in Option D.
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Why does mitosis occur???
Answer: Mitosis is the process in cell division by which the nucleus of the cell divides (in a multiple phase), giving rise to two identical daughter cells. Mitosis happens in all eukaryotic cells (plants, animals, and fungi). ... Mitosis is the reason we can grow, heal wounds, and replace damaged cells.
Explanation:
Before writers decide on a position for their essays, they need
Answer:
determine their personal perspective on the topic. sorry if im wrong
Explanation:
is -526 a irrational number
Answer: No
Explanation: brainlest please
2: Deoxyribonucleic acid is described in paragraph 2. which of the following statements about DNA are true?
A: The information in DNA code is the basis of every organism’s inheritance
B: The information held within the DNA molecule is first transcribed to an RNA molecule
C: Segments of DNA, called genes, hold information required for creating the proteins that make all biological functions possible
D: All of the above
Answer:
D: All of the above. A, B, & C
I just bombed this test and i have 1 retake left. please help!!
Answer:
Hey!
Your answer is CO-ENZYME!
Explanation:
What do CO-ENZYMES do?
They are an organic (but not protein based) compound...they act in a reaction by assisting the enzymes to bind and react with another substance...this then makes the reaction even faster!
But they cannot ever work by themselves to catalyse a reaction!
I HOPE THIS HELPED YOU!A sample of peptide of unknown sequence was treated with trypsin to produce the following smaller peptides:
1) Met-Val-Ser-Thr-Lys
2) Val-Ile-Trp-Thr-Leu-Met-Ile
3) Leu-Phe-Asn-Glu-Ser-Arg
Another sample of the same peptide was treated with chymotrypsin and gave the following smaller peptides:
1) Asn-Glu-Ser-Arg-Val-Ile-Trp
2) Thr-Leu-Met-Ile
3) Met-Val-Ser-Thr-Lys-Leu-Phe
What is the sequence of the original peptide?
Answer:
The sequence is >> Met-Val-Ser-Thr-Lys-Leu-Phe-Asn-Glu-Ser-Arg-Val-Ile-Trp-Thr-Leu-Met-Ile, or abbreviated M-V-S-T-K-L-F-N-E-S-R-V-I-W-T-L-M-I
Explanation:
Trypsin is a serine protease enzyme capable of hydrolyzing different types of proteins. This enzyme is used in biotechnology and molecular biology to hydrolyze at the carboxyl side of arginine or lysine residues. Moreover, chymotrypsin is another digestive protease that also catalyzes the breakdown of proteins into small polypeptide chains. This enzyme cuts the C-terminal side of aromatic amino acids such as tryptophan (W), tyrosine (Y) and phenylalanine (F) on peptide chains.
What evidence supports the theme of the bike by gray soto
Hey guys im having troubles with this! could anyone please help me with it, if so that would be great and ill give you a brainliest
Answer: the answer is glucose you are correct
Explanation:
hope it helped and did you get it wrong
Humans are able to move their shoulder 360 degrees. What morphological features aid in this degree of motion (i.e. which bones)? Examine the bat wing below. Is there the same degree of motion? Explain why or why not.
Answer:
This question is incomplete because of the absence of bat diagram discussed in the question
Explanation:
Humans body contains several joints that allows from movement of bones at some junctions called the "joints". Joints are points where two bones meet. Examples of the human joints include the ball and socket joints, hinge joint, pivot joint, gliding joint, saddle joint. The type of joint in the human shoulder that allows for 360 degrees rotation is the ball and socket joint. It involves a bone that has a round head like that of a "ball" which can fit into an open cup-like shape called the "socket", hence the reason for the name. This joint allows for movement in all directions.
The bat wing does not move at the same degrees (360°) as it does not move in all directions - the wing has an up and down movement which is more of a 180° movement and not a 360° movement.
Researchers are investigating the incidence of algal blooms in neighborhood ponds. In summer, they collect water samples from over 100 neighborhood ponds in Dallas, Texas and surrounding cities. They also surveyed residents in each neighborhood to collect data such as average lot size, average home value, average resident income, and lawn care methods. The researchers found that neighborhoods with large lots, high home values, and high income levels were likely to use automatic sprinklers and synthetic fertilizers on their lawns. These same neighborhoods were very likely to have abundant algae in their ponds. Based on this research, which conclusion provides the best explanation for why algae proliferate in neighborhood ponds?
Answer:
Excessive synthetic fertilizer that washes into ponds may be the reason for which algae become so abundant.
Explanation:
Algal blooms that feed on fertilizers can deplete oxygen in water, thereby producing inhospitable ponds. In this regard, it has been shown that the runoff of fertilizers from farms (which are rich in nitrogenous matter) may cause algae to become abundant in coastal environments, depleting oxygen in the water and killing the living organisms that inhabit these areas.
