Answers
Answer: As a fertilized human egg divides, it first becomes a solid ball of cells, the morula. ... The cells of the outer layer of the blastocyst eventually form part of the placenta. Inside the ball is a small clump of cells, the inner cell mass, that will form all the tissues in the body.
Explanation:
Related Questions
What is the ploidy of daughter cells produced after Meiosis I and Meiosis II?
Answers
Meiosis II starts with two haploid parent cells and ends with four haploid daughter cells while maintaining the number of chromosomes in each cell.
After meiosis 1, what is the ploidy of the daughter cells?The DNA ploidy number is 2N at the end of meiosis I, and it is 2N at the end of meiosis II., it is 1N. The cell repeats its DNA during DNA replication before meiosis.
How many ploidies are there in meiosis 1 and 2?While Meiosis II divides the remaining set of chromosomes in a mechanism akin to mitosis, Meiosis I reduces the ploidy level from 2n to n (reduction) (division). Meiosis I is when the majority of the distinctions between the processes take place.
To know more about chromosomes visit:-
https://brainly.com/question/1596925
#SPJ1
What would be the long-term effect of the lymphatic vessels associated with a capillary bed were to become blocked?
a) More fluid would enter the venous capillaries.
b) Blood pressure in the capillary bed would increase.
c) Fluid would accumulate in interstitial areas.
d) Fewer proteins would leak into the interstitial fluid from the blood.
e) Nothing would happen.
Answers
Answer:
The accumulation of more fluid in the interstitial areas (C).
Explanation:
I'm currently in this class, this was correct.
I don't really know how to do this , does anyone know ?
Answers
Answer:
area A
Explanation:
area b floor is being protected by grass, shrubs and trees, holding the soil in place with their roots.
also, area a has sabd, which washes away in water Easter than soil.
All primates have:
Group of answer choices
A dental comb
Flexible limbs
A grooming claw
Long snouts
Answers
Answer:
a dental comb. hope helpful answer
16. A heterozygous organism is also known asA. dominant.B. purebred (true-breeding).C. hybrid
Answers
As w know in mendelian genetics, a heterozygous organism has two allele versions, meanwhile, a homozygous organism has both copies equal, so homozygotes are also called purebred and heterozygotes hybrids, so the correct answer is option C.
Define population and community.
Answers
Answer:
A population is a group of organisms belonging to the same species that live in the same area and interact with one another. A community is all of the populations of different species that live in the same area and interact with one another. A community is composed of all of the biotic factors of an area.
Explanation:
Answer:
population all the inhabitants of a particular town, area, or country.
Explanation:
community is a group of people living in the same place or having a particular characteristic in common.
A group of students found metamorphic rocks near a campsite. The presence of metamorphic rocks is most likely evidence of?
A. dinosaur activity
B. sediment deposition
C. high pressure
D. wind-bome sand
Answers
Answer:
C
Explanation:
The presence of metamorphic rocks is most likely evidence of high pressure.
Metamorphic rocks are rocks that are formed from the transformation of other rocks. They could be igneous or sedimentary rocks that have been subjected to high temperature, pressure, or hot mineral fluid and then become metamorphosed into another type of rock.
Sometimes, metamorphosis of rocks happens from the combination of all the factors. Example include the metamorphosis of granite to gneiss and that of shale to schist.
Hence, the presence of metamorphic rocks is most likely the presence of high pressure.
Correct option: C.
list 10 uses of radiation
Answers
Answer:
Security
Space Exploration
Measurement
Sterilization/Irradiation
Carbon Dating
Promoting Genetic Mutation
Clean Air
Smoke Detectors
nuclear medication
x-rays
Explanation:
which macromolecule is involved in how hemophilia is passed
Answers
The macromolecule involved in how hemophilia is passed is DNA, specifically the genes carried on the X chromosome. The inheritance of hemophilia follows a pattern influenced by the presence or absence of the hemophilia gene on the X chromosome.
The macromolecule involved in how hemophilia is passed is DNA, specifically the genetic material carried on the X chromosome.
Hemophilia is an inherited bleeding disorder caused by a mutation in one of the genes responsible for producing clotting factors in the blood. The genes involved in hemophilia, such as the F8 gene (hemophilia A) or F9 gene (hemophilia B), are located on the X chromosome.
The X chromosome is one of the two sex chromosomes, with females having two copies (XX) and males having one copy (XY). Since hemophilia is a recessive trait, it typically affects males more often than females. This is because if a male inherits a defective X chromosome carrying the hemophilia gene, he will develop the disorder since he does not have a second X chromosome to compensate for the mutation.
In females, who have two X chromosomes, hemophilia can be passed on if they inherit a defective X chromosome from both parents. These females are carriers of the hemophilia gene and may not exhibit symptoms themselves but can pass the mutation to their offspring.
The inheritance of hemophilia follows a specific pattern, with affected males having an X chromosome with the hemophilia gene and unaffected males having a normal X chromosome. Female carriers have one normal X chromosome and one X chromosome with the hemophilia gene.
For more such information on: macromolecule
https://brainly.com/question/5246898
#SPJ8
Which of the following statements is true about Mendel?
Answers
Answer: c
Explanation:
Hope it helps <3
The law of conservation of matter states that matter can be neither created nor destroyed. Your friend shows you the following chemical equation: He says that because the oxygen atoms are split between two different molecules in the products, the equation does not support the law of conservation of matter. Is your friend right? Explain your answer. Draw a model showing the number of each type of atom in the reactants and products. Use your model to explain your answer. Read the assignment carefully and make sure you answer each part of the question or questions. When you're done, look over your response closely to make sure your ideas are shown clearly.
Answers
Answer:
The law of conservation of matter states that the matter can be neither created nor destroyed.
Explanation:
Your friend shows you the following chemical equation CACO3CAO plus CO2 he says that because the oxygen atoms are split between two different molecules in the products the equation does not support the law of conservation of matter is your friend write explain your answer draw a model showing the number of each type of atom in the reactants and products use your model explain your answer.
A student placed a prepared slide on the stage of a light microscope. Describe how to adjust the microscope to view the slide at a magnification of x400.
Answers
Here are the steps for viewing a slide at 400X magnification: In a compound and light microscope, prepare a slide and keep it near the objective lens at all times. Put a 10X magnification ocular lens in the area of the microscope.
How does 400x magnification work?You can see a very detailed image of the specimen on your slide thanks to the 400x total magnification that a high-power optical system and a 10x eyepiece provide.
Which focus knob at 40x 400x is simpler to use?The coarse focus knob or fine focus knob, respectively, will be the ones that are simpler to use at 40X and 400X. At low magnifications, like 40X, the coarser focus knob is simpler to operate because it makes it easy to focus the specimen more quickly.
To know more about microscope visit:
https://brainly.com/question/18661784
#SPJ1
Construct a food chain using the following wildlife scenario.
In the north woods where the Gray wolf is the apex predator species, clover plants are the preferred forage of Cottontail rabbits. Rabbits are a critical prey species for wolves, especially young, adolescent wolves.
Answers
Answer:
Gray wolf->Rabbit->Clover plant
Explanation:
The wolf eats the rabbit and the rabbit eats the clover plants
In Town A, the water has heavy metal Q, and the residents who drink it have long-term kidney damage. In Town B, the water has heavy metal Q and X, and the residents who drink are healthy. What conclusion can be made about the two metals?
Answers
The interaction between the metals Q and X makes metal Q less toxic.
What are heavy metals?Heavy metals are those metals that are known to cause some type of damage in the body. Many of the heavy metals have been associated with cancer and organ damage.
If the residents of Town B drink a water that contains heavy metals Q and X and they are healthy, it then means that the interaction between the metals Q and X makes metal Q less toxic.
Learn more about heavy metals:https://brainly.com/question/27888140
#SPJ1
Which of the following is a true statement about ocean ridges
Answers
Answer:
hello! I think you forgot to attach a image or the multiple choice options to your question!!
S2-, sulfur ion Protons: ____ Electrons: ____
Answers
Answer:
The protons and electrons in each element are equal. The sulfur has 16 electrons and 16 protons. But the ionic atom’s electron quantity changes depending on how many it has gained. 'S2-' has gained 2 electrons, which means it has now 18 electrons and 16 protons.
Which of the following accurately describes the relationship between
feedback mechanisms and homeostasis?
A. Feedback mechanisms are the organism's response to changing
conditions. They keep working until internal conditions return to
normal.
B. Feedback mechanisms counteract homeostasis.
C. Feedback mechanisms have no relationship to homeostasis.
D. A feedback mechanism is initiated when conditions are stable for
too long. They work until the organism wakes up and begins to
move around.
Answers
The correct answer is A. Feedback mechanisms and homeostasis are closely related in that feedback mechanisms help to maintain homeostasis in living organisms. (option-a)
Homeostasis is the process of maintaining a stable internal environment despite external changes. Feedback mechanisms are the physiological responses of an organism to maintain this stability. For example, if the body temperature drops, the feedback mechanism in the body responds by shivering to generate heat and maintain the internal temperature. Similarly, if the body temperature rises, the feedback mechanism in the body responds by sweating to cool down and maintain the internal temperature. In both cases, the feedback mechanism works until the internal conditions return to normal, thereby maintaining homeostasis. Therefore, feedback mechanisms are essential for the maintenance of homeostasis in living organisms.(option-a)
For such more questions on homeostasis
https://brainly.com/question/12296880
#SPJ11
Need this asp
Nucleotides contain sugar, a phosphate group, and a nitrogen base. Which of the following is a nitrogen base? (1 point)
A. ribose
B. tyrosine
C. deoxyribose
D. guanine
Answers
Answer:
D
Explanation:
Guanine is a nitrogen base
What are the answers to these questions? Thanks
Answers
The boll weevil reduced cotton crops by up to 70 percent when the infestation was at its worst.
A. true
B. false
Answers
The ________nervous system controls body functions that do not require thought
Answers
Answer:
Autonomic nervous system
Explanation:
Autonomic nervous system controls body functions that do not require thought.
Answer:
AUTONOMIC nervous system
Explanation:
The AUTONOMIC nervous system controls body functions that do not require thought.
An idividual has the following genotypes: AABbccDd.
ABcD is a possible genotype for a gamete, list 2 other possible genotypes for the gametes.
Answers
Answer:
Abcd & AbcD
Explanation:
Abcd
AbcD
Just swap out some letters
An alcoholic male has developed hepatic cirrhosis. To control the ascites and edema, which should be prescribed? A. Acetazolamide B. Chlorthalidone C. Furosemide D. E. Spironolactone
Answers
Answer:
A- Acetazolamide
Explanation:
Acetazolamide can reduce drowsiness and dizziness within the patient. Its a reliever.
I want answers please
Answers
Explanation:
1.arm&base
2.a shutter controlled by a lever
3.Nosepiece,objective lenses,stage clips
6. 100X.....(this means that the image being viewed will appear to be 100 times its actual size
what is action potential in psychology?
Answers
Answer:
An action potential is part of the process that occurs during the firing of a neuron. During the action potential, part of the neural membrane opens to allow positively charged ions inside the cell and negatively charged ions out. ... This electrical impulse is carried down the nerve through a series of action potentials.
Explanation:
Describe the important properties/abilities of water that makes it biologically useful.
Answers
Answer:
Answer
Explanation:
water is a polar solvent, water has the ability to ionize molecules, which is necessary for life, water has high specific heat.
Both the full body plate type and the half body plate trait are also present in an ocean near the lake. Where would you expect a higher occurrence of the full body plate trait, in the lake or the ocean? Explain your answer
Answers
when there is a need for attention because of ecological divergence, the full-body plate type occurs more frequently in the lake.
What is Ecological Divergence?Divergent natural selection drives adaptation to distinct ecological niches, resulting in reproductive isolation, and ecological differences frequently emerge early in speciation. Despite the fact that this process is a major contributor to biodiversity, little is known about its genetic foundation.
A role for epistasis between the underlying genes is suggested by the fact that we discover that functional mismatches between phenotypic traits reduce the growth of some stickleback hybrids beyond what would be expected from an intermediate phenotype.
Both historically and in more recent studies of speciation genes, the evolution of intrinsic postmating isolation has received a lot of attention. Intrinsic isolation is frequently caused by genetic incompatibilities between loci, in which alleles that work well within a species are incompatible with one another when inserted into a hybrid's genome.
To know more about Biodiversity, visit:
https://brainly.com/question/13073382
#SPJ1
7. For the following scenario provide a hypothesis, the dependent variable, independent variable, standardized variables, and control group.
Scenario: You want to determine whether plants communicate with their neighbors in response to stress, so you design an experiment. You have two groups of plants, one that will be exposed to a stressor and another that will not. You apply the stress 3 times a day for 10 days. At day 1 you measure the amount of stress hormone in the plants and then again you measure the amount of stress hormone on day 10.
Answers
Here, the hypothesis is "plants communicate with their neighbors in response to stress", dependent variable is the amount of the stress hormone in the plants, and the independent variable is the exposure to stress (applied 3 times a day for 10 days), standardized variables are plants used, duration of the stressor, amount of stress hormone. The control group is the plant that is not exposed to stressor.
What is the significance of the control group?Here, the control group is the group of plants that are not exposed to stress, and the control groups plants are experimented or tested with the other plants to get the result of the stress hormone on the plants.
Hence, here, the hypothesis is "plants communicate with their neighbors in response to stress", dependent variable is the amount of the stress hormone in the plants, and the independent variable is the exposure to stress (applied 3 times a day for 10 days), standardized variables are plants used, duration of the stressor, amount of stress hormone. The control group is the plant that is not exposed to stressor.
Learn more about the control group here.
https://brainly.com/question/1443608
#SPJ9
Plato , help please , 20 points alsooo!
Answers
1. Variation in a population results from what
reproduction.
Answers
sexual reproduction
The process of sexual reproduction introduces variation into the species because the alleles that the mother and the father carry are mixed together in the offspring. A disadvantage is that sexual reproduction takes longer than asexual reproduction.