Answer:
the first one: It has no antibodies that can attack the antigens on the red blood cells of the other blood types.
Explanation:
edge 2021
AB positive and O negative are considered as universal blood types. AB+ has no antibodies that can attack the antigens on the red blood cells of the other blood types. The correct option is A.
What is universal receiver?The people with AB+ blood group are called as the universal receivers. They can safely receive a blood transfusion using any other blood type. Having a universal blood type can save a life of yours or someone else in an emergency.
If you have an AB+ blood type, you have both A and B antigens. Since a person has all of the antigens that are possible, this blood type is the rarest. The AB+ blood type has a positive Rh factor, the recipient will not reject the blood. So it can get any type of blood.
AB type blood has no antibodies against type A or type B blood. So a person with AB blood can receive any type of blood.
Thus the correct option is A.
To know more about AB+ blood, visit;
https://brainly.com/question/256625
#SPJ7
8. Genes are sorted and recombined to produce gametes. Which statement describes a possible result of this process?
A. Gametes always form with genetic material identical to the parent
B.Gametes are formed with the same number of chromosomes as the parent cells
C.Offspring display half of their traits from their mother and half of their traits from their father
D.Offspring have traits not displayed by either parent
Answer:
c option is correct.
Explanation:
gametes are produced by meiosis during which genes get crossed in a process of crossing over ad new recombinent characters are produces. these gametes fertilized and offsprigs have multiple characters they get from their mother and faaher. so offsprimgs have characters half from mother and other half from father.
Genes often produce gametes. The statement that describes a possible result of this process is that Offspring display half of their traits from their mother and half of their traits from their father.
What is genes and gametes?A gene is known to be the molecular unit of heredity of all living beings.
A gamete is known to be a cell that comes together with another cell during fertilization that takes place in organisms that reproduce and this is a product of the male and the female gamete.
Learn more about genes from
https://brainly.com/question/1480756
In Drosophila, grey body is dominant to black, and long wings is dominant to short wings. Two unlinked pairs of alleles, G/g and L/l, cause this pair of traits respectively. Six pairs of flies of unknown genotypes are mated, giving the results listed below. Write the genotypes of the parental flies in each cross using the gene symbols above.
Types of progeny____
Cross Parents Grey Grey Black Black
Long Short Long Short
1 grey long x grey short 43 46 14 17
2 grey short x grey short 0 61 0 23
3 black long x grey long 40 0 44 0
4 grey long x grey long 48 18 0 0
5 grey short x grey long 31 33 0 0
Answer:
GgLl x Ggll ---> grey long x grey short Ggll x Ggll ---> grey short x grey short GgLL x ggLL or GgLL x ggLl ---> black long x grey long GGLl x GGLl or GGLl x GgLl ---> grey long x grey long GGLl x GGll or GgLL x GGll ---> grey short x grey longExplanation:
Due to technical problems, you will find the complete answer and explanation in the attached files
Binding of the lac repressor protein to the lac operator is regulated allosterically. This means that the presence of a specific small molecule that binds to the lac repressor controls whether the repressor can bind to the lac operator, and therefore whether the operon is turned on or off. Can you sort the following conditions based on whether they are associated with the lac operon being turned ON or turned OFF?
a. Allolactose is absent
b. Allolactose is present
c. RNA polymerase cannot transcribe the operan genes
d. The lac repressor protein cannot bind to the lac operator
Answer:
a. OFF
b. ON
c. OFF
d. ON
Explanation:
Allosteric regulation is a process by which a particular molecule activates or inhibits an enzyme, by binding to a site different from the active site of the enzyme. Allolactose is a disaccharide that binds to the allosteric site of the lac repressor protein, triggering a conformational change in the protein that prevents the binding of this repressor to DNA. Moreover, RNA polymerase (RNA pol) is an enzyme required for the process of transcription, and therefore when this enzyme cannot bind to operon genes the lac operon is being turned OFF. Finally, the lac operator is a nucleotide sequence where RNA pol binds, and the lac repressor binds to the lac operator in order to block the transcription of the lac operon.
The 4 planets that are closest to the Sun are called terrestial planets while the 4 outermost planets are called 'gas giants' or 'ice giants'.
True
False
Answer:
TRUEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE
Explanation:
Answer:
true
Explanation:
they are much bigger than the terrestial planets
Drag and drop the words or phrases that best complete the
paragraph.
Enzymes are important
in your cells that
important biochemical reactions such as
building muscle or breaking down large food molecules.
Enzymes are often called a
because they
can
the speed of an biochemical reaction.
Scientist often measure how quickly biochemical reactions
occur in cells. The time it takes for a biochemical reaction to
start and finish is known as the reaction
rate
proteins
decrease
catalyst
increase
carbohydrates
speed up
Answer:
Look below
Explanation:
Enzymes are important proteins in your cells that speed up important biochemical reactions such as building muscle or breaking down large food molecules. Enzymes are often called a catalyst because they increase can the speed of an biochemical reaction. Scientist often measure how quickly biochemical reactions occur in cells. The time it takes for a biochemical reaction to start and finish is known as the reaction rate
Enzymes are important proteins in your cells that speed up important biochemical reactions such as building muscle or breaking down large food molecules.
How are enzymes important for biochemical reactions?Enzymes are often called a catalyst because they increase can the speed of a biochemical reaction. Scientists often measure how quickly biochemical reactions occur in cells. The time it takes for a biochemical reaction to start and finish is known as the reaction rate.
Enzymes share two key characteristics with all other catalysts. First, they speed up chemical processes without being eaten or irreversibly changed by the process. They also speed up reactions while maintaining the chemical equilibrium between reactants and products.
Therefore, the enzyme acts as a catalyst to speed up a biochemical reaction.
Learn more about enzymes, here:
https://brainly.com/question/17292676
#SPJ5
Mendel studied 7 traits in pea plants. One of the monohybrid crosses he made was between plants with round seeds (R) and plants with wrinkled
seeds (0)
Seed
Shape
Round
х
Wrinkled
Round
What was a conclusion that Mendel drew from the F2 generation of this cross?
A.
Three fourths of the F2 plants show the round seed phenotype and carry the dominant allele for roundness.
Answer:
option A
Explanation:
option A is the correct answer of this question .
plz mark my answer as brainlist plzzzz vote me also.
hope this will be helpful to you.
three fourth of f2 plant showed round seed phenotype and carry dominant allele for round ness character.
what is dominant character ?
allele can be defined as a form of a gene which can be present as a pair shows either homozygous or heterozygous phenotype of a character.
these gene can express the phenotype either dominant or recessive form. In a cross between two organism, in F2 generation the offspring's are produced shows three phenotypes homozygous dominant, recessive, heterozygous dominant.
dominant allele can suppress recessive allele.
For more details regarding character, visit
https://brainly.com/question/4222246
#SPJ1
pls help im begging
Answer:
Im pretty sure Its A (i might be wrong though)
Explanation:
Will give brainliest How would this change MOST LIKELY affect the various populations over time?
A The change in leaf litter would cause a decrease in each population due to a decrease in each organism’s food supply.
B The change in leaf litter would cause an increase in each population due to an increase in each organism’s food supply.
C The change in leaf litter would cause an increase in level 1 consumers due to an increase in their food supply. Level 2 and level 3 consumers would decrease due to a decrease in their food supply.
D The change in leaf litter would cause a decrease in level 1 consumers due to a decrease in their food supply. Level 2 and level 3 consumers would increase due to an increase in their food supply.
Answer:
i think C but i could be wrong
Explanation:
Which statement BEST explains how global warming is causing sea levels to rise
Answer:
A. warmer temperatures are causing glaciers to melt
Explanation:
High temperature extremes and heavy precipitation events are increasing, glaciers and snow cover are shrinking, and sea ice is retreating. Seas are warming, rising, and becoming more acidic, and flooding is become more frequent along the U.S. coastline.
Some types of algae can grow together with fungi. The fungi provide nutrients from decaying matter to the algae, while the energy the algae get from sunlight is shared with the fungi. Based on this information, how would you describe this relationship?
A.The algae is the predator, and the fungus is the prey.
B.The two organisms are in a mutualistic relationship.
C.The fungus is a parasite, and the algae is the host.
D.The two organisms are in competition.
Answer:
Look this up on jkshia. they have all answers on there
Explanation:
Answer 24-25 please, please do not comment nonsense if not you will be reported. The first accurate and correct answer gets brainliest
Answer:
The first answer is C. photosynthesis
The second is B.
Photosynthesis produces glucose and oxygen, but because the question is asking what food does the equation produce the answer is B not A. Oxygen is a byproduct of photosynthesis and not used by the plant.
Explanation:
Carbonized fossils are made of:
O the carbon remains of the original organism
O carbon which replaced the plant or animal
O a cast of coal
O a mold left in coal
Answer: are the substance left after the organism was buried.
Explanation: I know this is not a answer but the carbon is rapidly buried until its rock.
Radiocarbon dating uses a radioactive isotope of the element _______
determine the ages of old objects.
Radiocarbon dating uses a radioactive isotope of the element carbon to determine the ages of old objects.
HELP FAST
1. Which of these factors can cause an overpopulation of Candida yeasts?
1.contaminated food
2.mosquito bites
3.good hygiene
4:having diabetes
Answer:
having diabetes.
Explanation:
i checked online reading a creditable article and quizlet.
Diabetes can result in an overpopulation of Candida yeasts.
So, option 4: is correct.
Define overpopulation.Overpopulation is an undesirable condition in which the number of current humans exceeds the earth's real carrying capacity. It has a variety of causes, ranging from a decrease in the mortality rate to married girls and other factors.
Diabetes can result in an overpopulation of Candida yeasts.
So, option 4: is correct.
Find out more information about overpopulation here:
https://brainly.com/question/867900?referrer=searchResults
Select 2 choices
1-The blood entering the lung is colored bright red.
2-The blood leaving the lung iscolored bright red.
3-The body takes in oxygen and releases carbon dioxide.
4-Oxygen gas is mainly transported via the red blood cell's hemoglobin.
5-The blood leaving the lung is richer in carbon dioxide than the blood entering the lung.
6-Carbon dioxide is mainly transported via the red blood cell's hemoglobin.
Answer and I will give you brainiliest
1 and 5, Solvent, and yh I am not sure but I think so
. Gymnosperms are a group of seed plants that produce___
1.seeds, pollen and fruit
2.no flowers or fruit
3.no seeds or pollen
4.flowers and fruit
Answer:
2 is the right answer
Explanation:
they do not produce fruit or flowers think of a pine treee of a spruce tree
Gymnosperms are a group of seed plants that produce no flowers or fruit. Therefore, option B is correct.
What are gymnosperms?A relatively tiny class of plants known as gymnosperms produce seeds and lack flowers. This means that unlike in a fruit, where the seeds are formed inside the reproductive structure, they are produced on the surface of the reproductive structure.
The Coniferophyta, Cycadophyta, Gingkophyta, and Gnetophyta are the four primary phyla that makeup gymnosperms. Conifers, which have needle-like leaves and thrive in arid, cold climates, are the most common gymnosperm.
Some examples of gymnosperms are ginkgo, pine, melinjo. sago palm, cedars, and spruces. Gymnosperms are a group of seed plants that produce no flowers or fruit. Therefore, option B is correct.
Learn more about gymnosperms, here:
https://brainly.com/question/15158870
#SPJ6
GIVING BRAINLIEST FOR CORRECT ANSWER
Dimples is a dominant trait (D). The Punnet square shows a cross for this trait between two parents.
What is the probability that the offspring will have dimples?
25%
50%
75%
100%
Answer:
50%
Explanation:
anyways have a good day
How does cell division relate to the process of asexual reproduction ?
Answer:
sexual reproduction occurs by cell division during mitosis to produce two or more genetically identical offspring. Sexual reproduction occurs by the release of haploid gametes (e.g., sperm and egg cells) that fuse to produce a zygote with genetic characteristics contributed by both of the parent organisms.
Explanation:
hope you like my ans
a. Compare the time needed to reach the peak amount of antibody production for the first and second encounters.
Answer:
no entiendo porfa pongan en español por que no entiendo wl ungles jajja
DNA is what type of macromolecule?
Answer:
Nucleic Acid
Explanation:
DNA is made up of the nucleic acids Adinine, Thymine, Cytosine, and Guanine.
Answer and I will give you brainiliest
**Please only surely answer**
Answer:
Semicircular canals
Your welcome!!
Which of the following is a correct way to report an example of the speed of an object?
A 50 s/m
B 50 m/km
C 50 m/s
D 50 s/km
Answer:
C. 50m/s
Explanation:
speed is distance/time
m/s
A population of birds eats nuts and seeds. Some birds have larger beaks, and some have smaller beaks. A pair of birds usually produces four or five offspring each year. After several yeaers of little rain, the seeds became larger and larger. The birds with larger beaks were better at cracking these seeds. After several generations, the average beak size in the population increased. Bird beak size increasing after several generations is: a. decent with modification. b. variation. c. overproduction. d. adaptation
As far as I can tell, the answer would be D. Adaptation. The birds are evolving to adapt to their environment, and as such, their beaks are getting larger to crack larger seeds.
How would I explain the carbon cycle to a 1st grade classroom?
Answer:
To a 1st Grader:
Carbon is the magic element that is the basis of life on Earth. All living things contain carbon. Animals breathe it out, and plants breathe it in. Plants, people and animals depend on each other.
The carbon cycle is a process where carbon dioxide travels from the atmosphere into living organisms and the Earth, then back into the atmosphere. Plants take carbon dioxide from the air along with water and photosynthesis from the sun and use it to make food.
Explanation:
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth. Carbon is the main component of biological compounds as well as a major component of many minerals such as limestone. To a first grader is different because they wouldn't understand what half of these words mean lol.
The carbon cycle is the biogeochemical cycle that exchanges carbon between the Earth's biosphere, parallel layers, geosphere, hydrosphere, and atmosphere.
What is the importance of carbon cycle?The carbon cycle is nature's method of recycling carbon atoms, which travel from the atmosphere into organisms on Earth and then back into the atmosphere.
The majority of carbon is stored in rocks and sediments, with the remainder in the ocean, atmosphere, and living organisms.
The carbon cycle is critical to the survival of life on Earth. Nature has a tendency to maintain carbon levels in balance.
This means that the amount of carbon naturally released from reservoirs equals the amount naturally absorbed by reservoirs. Maintaining this carbon balance ensures that the planet remains habitable for life.
Thus, by regulating the rate of carbon dioxide in the atmosphere, the carbon cycle plays an important role in regulating Earth's global temperature and climate.
For more details regarding carbon cycle, visit:
https://brainly.com/question/1627609
#SPJ2
If a red blood cell has a diameter of 8 mm and a student shows it with a diameter of 40 mm in a drawing, what is the magnification of the drawing?
O X5
O X 5000
X0.0002
O X0.2
Identify the sentence type in the following: Max likes macaroni?
Simple
Compound
Complex
Compound-complex
Identify the sentence
Which scenario describes a relationship of mutualism?
A polar bear catches a seal for dinner.
Oxpecker birds eat parasitic ticks off the backs of zebras.
Birds feed off the insects that are stirred up from the grasses as cattle move through.
A tapeworm latches itself in the intestines of a rat, feeding off all the nutrients eaten by the rat.
Answer:
hello the answer is B hope this helps
Explanation:
Answer:
b
Explanation:
1.An increase in the population of an organism would most likely be associated with which of the following?
A.an increase in animals that prey on an organism.
B.A decrease in necessary resources.
C.An expansion of suitable living space.
D.A series of severe weather events in the habitat.
Answer:
a series of severe weather events in the habitat
An increase in the population of an organism would most likely be associated with a series of severe weather events in the habitat. The correct option is D.
What is the population?A collection of creatures from the same species that can interact to create fertile progeny. It is on a level above organisms but below the ecosystem and community.
An ecosystem is a level of organization where several communities of various species and the associated abiotic elements interact. It is the place where different population interacts with each other.
A biosphere and a biome are larger organizational levels than this one. Communities are levels of the organization where various populations coexist and engage in social interactions.
Therefore, the correct option is D. A series of severe weather events in the habitat.
To learn more about the population, refer to the link:
https://brainly.com/question/22336800
#SPJ6
NEED HELP WITH THIS QUESTION!!! PLEASE HELP ME!!!
Answer: xylem
Explanation:
Direction of transport : Xylem= Upwards
Phloem=Upwards and downwards
Scientists who have strong moral beliefs about the subject that they study may show bias in the way they interpret their data
True
False
Please help me