Answer:if an atom is labeled as +ion then it needs electron to be neutral ,
but
if an atom is labeled as -ion then it has to lose electrons to be neutral.
Explanation:
A positive and negative ion can be converted to neutral by adding or deleting electrons respectively.
What is an Atom?It is the smallest particle that can represent an element. It is consist of electron, proton, and neutron.The electrons are negative particles and revolve around the nucleus. Protons are positive particles found inside the nucleus with neutrons. The number of positive and negative particles is equal inside a nucleus.A positive ion may lose one or more electrons and a negative ion may have one or more extra electrons.Therefore, a positive and negative ion can be converted to neutral by adding or deleting electrons respectively.
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26- if a man with typo BO blood has a child woth a woman that has type AB blood, what is the percent probability that their child will have type AB blood?
A) 25%
B) 50%
C) 75%
D) 100%
A) 25%. Since the man is BO and the woman is AB, you multiply it and get AB,BB,AO, and BO. Then you divide 100% with those four and you'll get the answer of 25%.
Which of these statements expresses a scientific theory?
O A. Any cell that contains a nucleus is usually larger than any cell
without a nucleus
O B. A material that consists of one or more cells is a living organism.
O c. All living organisms have a body that consists of one or more
cells.
O D. A study of material found on a beach showed the presence of
cells.
Answer: The cell is the basic structural and functional unit of living organisms
Explanation:
Rebecca went to a genetic counselor. When she had testing done she found that she was a carrier for the disease Tay Sachs. She showed no signs of the disorder; but she could pass the trait on to her offspring. Which of the following would correctly represent Rebecca’s genotype?
NN
Nn
nn
Nt
Answer:
Nn
Explanation:
Tay-Sachs disease is an inheritable genetic disorder that results in the destruction of nerve cells in the brain and spinal cord. It's caused by the absence of an enzyme that helps break down fatty substances called gangliosides. Their buildup results in the destruction of nerve cells.
Tay-Sachs is inherited in an autosomal recessive manner. This means that a person needs to have two recessive alleles (nn) in order to inherit it. Rebecca is a carrier of the disease but isn't actually ill. This means that she has one recessive (n) and one dominant (N) allele. Thus, her genotype is Nn.
Lipase breaks down fats into...
A. Amino acids
B. Bases
C. Fatty acids and glycerol
Answer:
C. Fatty acids and glycerol
Explanation:
a. What are the positive effects of Austin's growth on the human population of the city?
Answer- AN INCREASE IN JOB OPPORTUNITIES WILL OPEN UP AS THE POPULATION GROWTH INCREASES IN THE CITY OF AUSTIN. ALSO, THE POPULATON OF AUSTIN WILL BE ABLE TO EXPAND.
PLS ANSWER!!!!!!!!!!!!!!!!!!!
Answer:
Molecules of carbon dioxide (CO 2) can absorb energy from infrared radiation.
Explanation:
What is An aquatic animal that makes protein based slime
Answer:
a hagfish!
Explanation:
Answer:
Hagfish slime
Hagfish slime is a gelatinous, protein-based substance secreted by hagfish in response to a threat
Explanation:
There are usually ethical concerns when the topic of biotechnology is
discussed. The use of Henrietta Lacks cancerous cells from her cervix is one of
the first cases of what is and what is not ethical when it comes to using human
tissue for research.
What was the greatest ethical concern in regards to the researchers obtaining
and using Hela cells for research?
PLZ HELP FAST!!!!!
Which base is found only in DNA?
adenine
guanine
cytosine
thymine
of course answer is thymine
Answer:
the answer Thymine .....................
Help with science, you can select multiple answers
I got the same thing too
(80 POINTS AND BRAINLIST!!!!!!!!)
How is the relationship between the small fish and the invertebrates in the diagram above best described? (diagram is linked) (multiple choice question) (pretty easy)
A. Predator-prey
B. Producer-predator
C. Consumer-parasite
D. Decomposer-consumer
Answer:the fish is the predator and the invertebrates the prey
Explanation:so A.
The relationship between the small fish and the invertebrates in the diagram is Predator-prey relationship. The correct option is A.
What is Predator-prey relationship?
A predator is an organism that consumes another. The prey is the organism that the predator consumes. Lion and zebra, bear and fish, and fox and rabbit are all examples of predator and prey.
Predator-prey interactions play an important role in the structure of ecological communities, with predators influencing the dynamics of their prey in ways that cascade through ecosystems, affecting processes such as productivity, biodiversity, nutrient cycling, disease dynamics, carbon storage, and more.
In the diagram, the small fish and the invertebrates have a predator-prey relationship. Predators, according to the classic, generic view, have a negative consumptive effect on prey, while prey provide a positive nutritional benefit to predators.
Thus, the correct option is A.
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What does frequency tell you about a wave?
Answer:
i hope this helps
Explanation:
a wave is created in a slinky by the periodic and repeating vibration of the first coil of the slinky. This vibration creates a disturbance that moves through the slinky and transports energy from the first coil to the last coil. A single back-and-forth vibration of the first coil of a slinky introduces a pulse into the slinky. But the act of continually vibrating the first coil with a back-and-forth motion in periodic fashion introduces a wave into the slinky.
SOMEONE HELP ME PLS I WILL GIVE POINTS AND BRAINLIST !!!!!
Answer:
The answer is C!
Based on information from the periodic table, which statement is true for the
element gallium?
A. The atomic number of gallium is 69.7, and its atomic mass is 31.
B. A gallium atom contains 31 protons, and most gallium atoms
contain 39 neutrons.
C. A gallium atom contains 31 protons, and neutral gallium atoms
contain 39 electrons.
D. The atomic number of gallium is 31, and its average atomic mass
is 39.
ANSWER—————————
B. A gallium atom contains 31 protons, and most gallium atoms contain 39 neutrons
Answer:B. A gallium atom contains 31 protons, and most gallium atoms contain 39 neutrons.
Explanation:
Gallium is an element with 31 atomic number and 69.7 of average atomic mass. Therefore, none of the statements are correct.
What is Gallium?Gallium is a soft, silvery metal with a low melting point of 29.8°C (85.6°F), and is in the same group as aluminum and indium in the periodic table. Gallium is obtained as a byproduct of mining and widely distributed in Earth crust.
Gallium is an element with the symbol Ga and atomic number 31, which means that it has 31 protons in its nucleus. The atomic mass of gallium is 69.7, which is average weight of the masses of its naturally occurring isotopes.
The atomic number of gallium is 31, and atomic number is always a whole number representing the number of protons in an atom's nucleus and there are two stable isotopes in gallium which are gallium-69 and gallium-71 containing 38 and 40 neutrons, respectively.
Therefore, none of the statements are correct.
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An example of an organism that is a predator
3. How does water leaves the ocean and returns?
A Condensation and Precipitation
B. Runoff and Condensation
C. Precipitation and Runoff
D Evaporation and Precipitation
Why are distances between planets, stars, and solar systems measured in light-years?
How might the body treat viruses?
Explanation:
For most viral infections, treatments can only help with symptoms while you wait for your immune system to fight off the virus. Antibiotics do not work for viral infections. There are antiviral medicines to treat some viral infections. Vaccines can help prevent you from getting many viral diseases.
What gas do animals absorb for respiration?
Answer:
Explanation:
Animals absorb oxygen which is a produced during photosynthesis
Answer:
Respiratory system, the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements. In the living organism, energy is liberated, along with carbon dioxide, through the oxidation of molecules containing carbon.
A group of engineers have launched a space probe from Earth that will land on the surface of Mars. How will the force of gravity from Mars affect the space probe?
The weathered mountain would appear more jagged than a unweathered
mountain.
True or false ?
An example of an organism that is a prey
Answer:rabbits
Explanation:an owl or fox can kill the rabbit and eat it
which cell parts are responsible for moving proteins?
During which parts of the cell cycle does the cell grow?
Os
O G2
O GO
O G1
Answer:
g1
Explanation:
What might be some advantages and disadvantages of using
viruses in genetic engineering to treat human diseases?
Answer: brainliest pls
Explanation:
The Adenovirus, Adeno-Associated Virus, and the Retrovirus are the most commonly used vectors in gene therapy clinical trials. Results: Disadvantages to using the Adenovirus as the vector in gene therapy include non- integration, immunogenicity, replication competence, no targeting, and small insert size.
Benefits and advantages of using the Adeno-Associated Virus as the vector in gene therapy trials include integration into host genome, no viral genes, able to transduce cells not actively dividing, wide range of host cells, and they are non-inflammatory and non-pathogenic.
1. A ____________________________ is a line on a topographic map that connects points of equal elevation
2. A _______________________________ is a darker and/ or thicker contour line that is labeled with the elevation of that line.
3. The distance between two contour lines is call the ______________________________________________.
4. On a topographic map contour lines that have a "V" shape indicate that ______________________ is occurring.
5. On a topographic map the V shape contour lines point________.
Answer:
1. contour line
2. index contour
3. contour interval
4. a valley
5. upstream
Explanation:
hope the helps !!!
whats your favriot color and animal whats your favriot subjec
boy or girl puppies or dogs dog person or cat person
What are 3 concepts that make up the cell theory
Answer:
The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells
What stage of respiration immediately follows the process depicted below? Two pyruvate molecules undergo a chemical reaction, combining with coenzyme A to form two acetyl-CoA molecules. Two carbon dioxide molecules and two NADH molecules are formed as a result of this process.
Answer:
Electron transport chain
Explanation:
Cellular respiration is the process whereby glucose is broken down in the cell to yield energy in form of ATP. This process, which is important to the metabolic functioning of every organism, occurs in three major stages namely: glycolysis, kreb's cycle and electron transport chain (ETC).
According to this question, a stage of respiration is described as follows:
- Two pyruvate molecules undergo a chemical reaction, combining with coenzyme A to form two acetyl-CoA molecules.
- Two carbon dioxide molecules and two NADH molecules are formed as a result of this process.
The process depicted above is KREB'S CYCLE of cellular respiration, hence, the stage of respiration that immediately follows the process is called ELECTRON TRANSPORT CHAIN (ETC).
Answer:
i know it isnt glycolysis
Explanation:
i took the test and got my answer wrong lol
Male turkeys are birds that naturally strut and display their large tail feathers, which attracts female turkeys. This display is an example of(1) Selected breeding
Answer:
Behavioural adaptation
Explanation:
Behavioural adaptation is the actions of organisms that enable their survival in their environment. This behaviour varies with individual species and their environment. Examples
Bears stays in place in winter to escape from the cold temperatures and preserve energy.
Penguins huddles or stays together to prevent heat loss and main a warm environment during cold.
The ability of the male turkey to strut is what attracts the female turkeys to them an ensure continuity through Reproduction via mating.
