Answers
Answer:
a. electrons
Explanation:
The mass of an element is the sum of the atomic number and the number of protons.
What is atomic mass?Atomic mass is the total weight of all the particles (protons, neutrons, and electrons) in a single atom. It is expressed in atomic mass units (amu) or daltons (Da). The atomic mass of an element is determined by the number of protons and neutrons in the atomic nucleus.
Each proton and neutron has a mass of approximately 1 amu, and the atomic mass of an element is determined by the total number of these particles in the nucleus. The atomic mass of an element is unique and remains constant, regardless of the number of atoms of that element present. This value is important in determining the chemical properties of an element and the behavior of compounds and mixtures.
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Related Questions
Which of the following actions can help to conserve energy?
A)
purchasing local foods
B)
using power strips
C)
washing clothes in cold water
D)
taking shorter showers
E)
all of the above
Answers
Answer:
E
Explanation:
All of the actions play a role in conserving energy. Purchasing local foods reduces the need for transportation, power strips keep a steady energy source, washing with cold water removes the need for a heater (which uses energy), and shorter showers have the same effect as stated before.
Answer:
E
Explanation:
Edge 2021
Which letters are broken down to produce energy for cells?
Answers
Answer:
C and D
Explanation:
All living organisms need energy, which is produced by the breakdown of the food ingested in a process called CELLULAR RESPIRATION. Cellular respiration, which is the process whereby energy in form of ATP is synthesized, occurs in the MITOCHONDRIA.
However, the products of cellular respiration (CO2 and H2O) are used as reactants by plants to produce glucose and oxygen in their CHLOROPLASTS. The glucose and oxygen are broken down in the MITOCHONDRIA to yield energy by cells.
In this image, letters C and D represents glucose and oxygen, which are products of photosynthesis in the chloroplast. Glucose and oxygen represented by C and D are broken down to produce energy for cells in the mitochondria.
Answer 21 please thanks
Answers
It is chromosomes.....
there are 23 pairs of chromosomes and 23+23=46
Regulated cell death that is a necessary part of development is called
Answers
Aerobic and anaerobic respiration are process through which organism obtain energy from the
food they eat. Describe the processes of aerobic and anaerobic respiration. Identify an
example of each.
Answers
Answer:
Aerobic respiration is the process by which organisms use oxygen to turn fuel, such as fats and sugars, into chemical energy while Anaerobic respiration is respiration using electron acceptors other than molecular oxygen.
Explanation:
Aerobic respiration is the aerobic catabolism of nutrients to carbon dioxide, water, and energy, and involves an electron transport system in which molecular oxygen is the final electron acceptor. The overall reaction is: C6H12O6 + 6O2 yields 6CO2 + 6H2O + energy (as ATP)
An example is respiration in humans.
Anaerobic respiration: In aerobic organisms undergoing respiration, electrons are shuttled to an electron transport chain, and the final electron acceptor is oxygen. Molecular oxygen is a high-energy [2] oxidizing agent and, therefore, is an excellent electron acceptor. In anaerobes, other less-oxidizing substances such as nitrate (NO3−), fumarate, sulphate (SO42−), or sulphur (S) are used. These terminal electron acceptors have smaller reduction potentials than O2, meaning that less energy is released per oxidized molecule. Therefore, anaerobic respiration is less efficient than aerobic.
Example: In anaerobic respiration, the process occurs in the absence of oxygen such as alcohol fermentation, lactic acid fermentation (which can result in yogurt and in sore muscles), and in decomposition of organic matter.
PLEASE HELP, i’ll give you brainliest if it’s right please
Answers
Answer:
C
Explanation:
recessive traits can only be seen when there is no dominant trait present.
What is the complementary strand for UUC AGC CAG
Answers
Define pressure potential.
Answers
Answer:
The component of water potential due to the hydrostatic pressure that is exerted on water in a cell. ... In turgid plant cells it usually has a positive value as the entry of water causes the protoplast to push against the cell wall (see turgor).
Answer:
Mental pressure can cause death by sui cide.
Physical pressure can cause death by not allowing the body to complete a function or get the necessary amount of blood/oxygen it needs.
If two 15N forces are acting on an object in different directions, what is the net force?
N
Answers
Answer:
The net force acting on an object is the combination of all of the individual forces acting on it. If two forces act on an object in opposite directions, the net force is the difference between the two forces.
Explanation:
Hope this helped
What cell organelle is responsible for making the vesicles for exocytosis to occur?
Answers
Answer:
cell membrane i think
Explanation:
Why is there chloroplasts in leaf cells but not root cells?
Answers
Answer:
Chloroplasts are only found in the parts of the plant that are capable of photosynthesis. The majority of chloroplasts are found in the leaves of the plant because these structures have the greatest surface area for absorption. The outer part of a plant stem may also contain chloroplasts.
Explanation:
Answer:
Chloroplasts are in the leaf cells because the leaf makes photosynthesis, which takes place in chloroplasts. The roots keep the plant firm in the ground.
Hope this helps!
The development of retinoblastoma is associated with a mutation in the 13q14.2 region of the human genome. What is the principle of indexing different parts of the genome?
Answers
Answer:
Genome indexing is a strategy to find a pattern (i.e., a short sequence read) in a long text (i.e., the genome)
Explanation:
Genome indexing is a similar strategy used when a book is indexed. This strategy is used to find more rapidly a given sequence by allowing to align the problem sequence and thus approximate to the putative origin of the query sequence within the genome. Genome indexing enables to design PCR primers/probes, map probes at genome level, understand data obtained from gene expression analyses, etc.
The removal of which of the following organisms would most reduce the transfer of energy
from aquatic organisms to terrestrial organisms?
Answers
Answer:
Food chain and food webs
The numbers in the figure below represent the chromosome number found in the
nucleus each of the dog cells shown. The arrows indicate processes that are occurring
over time (for example, a cell at A with 78 chromosomes is dividing to become cells
with 39 chromosomes; two cells with 39 chromosomes are fusing at B to become a
cell with 78). The processes that are occurring at A and B are
B
(78
(39
(78
78
39
O Ais meiosis and B is pollination
O Ais mitosis and B is meiosis
O Ais meiosis and B is mitosis
O Ais meiosis and B is fertilization
Answers
The processes that are occurring at A and B are A is meiosis and B is fertilization. The correct option is D.
What is fertilization?Fertilization, or the union of the sperm and the egg, takes place in this section of the tube. The fertilized egg then begins its rapid descent to the uterus.
The period of rest in the duct appears to be required for the fertilized egg to fully develop and the uterus to prepare to receive the egg.
Meiosis is a type of cell division in reproducing organisms that produces gametes such as sperm or egg cells.
It involves two rounds of division that result in four cells with only one copy of each chromosome.
The given scenario is showing that the gametes are going through meiosis which is making their chromosome number half, and then combining again to aid fertilization.
Thus, the correct option is D.
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Why would a cell use active transport to move materials? List 3 reasons.
Answers
what is the difference between fibrous protein and globular protein
Answers
Answer:
Fibrous proteins are generally composed of long and narrow strands and have a structural role.
Globular proteins generally have a more compact and rounded shape and have functional roles.
Explanation:
fibrous proteins ARE something, whereas globular proteins DO something.
Arrector pili are responsible for fingerprints true or false
Answers
Match the mineral categories to their best descriptions
Answers
Answer:
Halide minerals - Minerals that contain elements that combine with chlorine, fluorine, bromine, or iodine.
Rust - An example of a common oxide mineral.
Native Element Minerals - Contains atoms of a single element.
Sulfate minerals - Contains the elements sulfur and oxygen.
Explanation:
I just took the test and its correct. Hope you make a good grade!
The minerals categories matched to their best description are :
Halide minerals: Minerals that contain elements that combine with chlorine, fluorine, bromine, or iodine.Rust: An example of a common oxide mineral.Native Element Minerals: Contains atoms of a single element.Sulfate minerals: Contains the elements sulfur and oxygen.What are minerals?A mineral is a naturally occurring inorganic solid, with a definite chemical composition, and an ordered atomic arrangement.
Halide minerals are those that combine with halogens. Rust is a common oxide mineral. Sulfate minerals consist of sulfur and oxygen. Native minerals (originally found) are those that consist of only toms of a single element in pure form.
Therefore, the minerals are matched with their correct description.
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potatoes are high in carbohydrates?
Answers
Answer:
True
Potatoes are considered a healthy carb.
Hope this helps
Answer:
Yes they are high in carbohydrates because they are in fibre and it is considered a starch and a vegetable and a carb
Explanation:
Hope thus helps ❤♥️
Looking at the Punnett square, what are the possible genotypes and frequencies
of Martha and John's children? *
A
a
а
Аа
аа
а
Аа
аа
Your answer
Answers
Answer:
what is a punnett square sorry i couldnt help
Explanation:
What is the Chemical solution for photosynthesis
Answers
Answer:
6 CO2+6H20==>6O2+C6 H12 06
light
Explanation:
why is freshwater beneficial to plants
Answers
Explanation:
freshwater beneficial to plants is because estuaries are usually shallow, sunlight can reach all levels of the water. Plants and algae are important to freshwater biomes because they provide oxygen through photosynthesis,
They enhance water quality and facilitate stop alga growth by victimisation nutrients created by fish waste, unconsumed food and organic scrap. They turn out element throughout daylight, that is employed by fish and helps stabilize pH scale. Fish, in turn, unleash unleash, that plants use as a food supply.
1. How does pollution affect ecosystems? I
Answers
If shelter wood cutting occurs regularly in a large forest, what would be the result after five years?
O a completely bare forest with no tree growth
O a standing forest with both mature and younger trees
a similar sized forest with a majority of unhealthy trees
O a smaller forest that has only saplings and young trees
Answers
Answer:
I think it is b
Explanation:
HELP ASAP:
how many trials did it take for half of the virtualium atoms to decay?
Answers
Answer:
Carbon-14 has a half-life of 5,730 years. Taking one atom of 14C, this will either have decayed after 5,730 years, or it will not. But if this experiment is repeated again and again, it will be seen that the atom decays within the half life 50% of the time.
AYUDAAAAAAAAAAA (si no sabes no respondas porfa)
Answers
Answer:
debajo
Explanation:
No entiendo la diagrama mucho pero pienso que estas son las respuestas:
el sol a plantas verdes- energía luminosa
plantas verdes son- organismos autotrofos
plantas verdes a animales- energía química
herbivoros a carnivoros son- organismos
las flechas cerca los animales- energía liberada heterotrofos y organismos saprófitos
After pollen grows a tube down the style, _____.
A: egg cells unite with an embryo
B: chromosomes slpit in half
C: the pollen sticks to the stigma
D: sperm cells travel to the ovary
Answers
Answer:
After pollen grows a tube down the style, sperm cells travel to the ovary (option D).
Explanation:
In angiosperms, the pollen grain contains the male gametophytes that are transported to a flower for pollination to occur.
Once the pollen reaches the stigma of a flower, from it grows a tubal extension, called a pollen tube, which grows into the ovary. The pollen tube allows male gametophytes (sperm cells) to come into contact with female gametophytes (eggs) to fertilize them.
The other options are not correct because:
A. Egg cells do not attach to the embryo, but to the sperm to produce that embryo.
B. Chromosomes split in half occurs in cell division.
C. Pollen sticks to stigma is a process that occurs before the pollen tube is formed.
To ensure that a human gene is translated properly in a bacterial cell, you should clone the _____________ for the gene instead of the genomic DNA fragment that contains the gene.
Answers
Answer:
complementary DNA (cDNA)
Explanation:
The complementary DNA (cDNA) is a region of DNA that is synthesized from an RNA template by using a reverse transcriptase enzyme. cDNA is usually used to clone genes from eukaryotic organisms in prokaryotes. cDNA cloning is a technique that consists of isolating and amplifying a self-replicating prokaryotic organism that includes in its genome a cDNA of interest. This technique enables the insertion of fragments of eukaryotic DNA (cDNA) into plasmids that subsequently are multiplied by cloning and finally sequenced.
LABEL THE FLOWER POSTER
Answers
PLEASE HELP ILL GIVE 40 POINTS!!!
Which of the following statements is true?
Thunderstorms need cool, dry air to form.
Hurricanes have wind speeds under 74 miles per hour.
Thunderstorm clouds are tall and thick with flat bottoms.
all of the above
Answers
IT ALL OF THE ABOVE SIR HOPE THIS HELPS(☞ﾟヮﾟ)☞☜(ﾟヮﾟ☜)
MAY I GET BRINLIST