Answers
Answer:
Explanation:
a 50% risk of having inherited the Huntington's disease gene. Each child of that person has a 25% chance of inheriting the condition
Related Questions
3. How does the cell use both DNA and RNA to direct protein synthesis?
Answers
Answer:
proteins are made in the cell cytoplasm on tiny structures called ribosomes,to make proteins ribosomes use a code in the DNA
DNA is found in the cells nucleus and cannot move ,so the cell needs to get the code from the DNA to the ribosome this is done using a molecule called RNA (mRAN) - which is made by copying the code from DNA , the RNA acts as a messenger between the DNA and the ribosome - it carries the code between the two
Explanation:
Which feature of Earth would reflect the greatest amount of incoming sunlight? (1 point)
sea ice
O dark ocean water
O ice covered by snow
O light ocean water
Answers
The feature of Earth that would reflect the greatest amount of incoming sunlight is light ocean water.
The third option is correct.
What is ocean water?The ocean water is regarded as a huge body of saltwater that covers about 71 percent of Earth's surface.
When light encounters a boundary, such as sunlight incident on the ocean water surface, some of it is reflected and some is transmitted.
The reflected light appears white to the human eye and we call it the sun glint, or more technically, specular reflection.
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1. All living organisms need to have
(20 points)
organs
O a heart
cells
a brain
Answers
Answer:
cells
Explanation:
all living organisms need to have cells
How do green plants produce their own food?
Answers
Answer:
Photosynthesis
Explanation:
The process by which land plants produce their own food using sunlight and carbon dioxide is known as photosynthesis. The leaves of green plants contain chlorophyll, which absorbs sunlight for producing food. This food is then used by the plant itself as well as other animals, including humans.
The most common form of hemophilia is a defect in blood clotting factor VIII, which is caused by a mutant form of a gene on the X chromosome. Boys who inherit that mutation from their mother suffer from uncontrolled bleeding. Girls carrying one copy of this mutation have near normal blood clotting. Uncommonly, a girl is born with hemophilia even though both parents have normal phenotypes. Which of the statements might explain hemophilia in a girl born to parents with normal blood clotting phenotypes?
Answers
Answer:
Nondisjunction during sperm arrangement and formation brought about her getting no sex-chromosome from her dad and an X chromosome from her mom, she is XO.
Explanation:
Nondisjunction during sperm arrangement and formation brought about her getting no sex-chromosome from her dad and an X chromosome from her mom; she is XO.
It is on the grounds that her mother happens to be a carrier of hemophilia and she transferred that mutant allele to her daughter and due to the fact that she did not get any sex-chromosome from her dad.
However, such mutant (X) communicates and expresses itself and she is hemophilic.
This (X) is not express in her mother because she possesses a recessive trait; as such it appears in the hom8zygous state.
1. The following gene sequence appears on one strand of a segment of DNA that is about to go
through DNA Replication. What code will DNA Polymerase build to make the complementary
strand?
TACGGCATATGCAAATGGCGAGCCTATATT
Answers
The DNA polymerase will build the complementary strand with the code: ATGCCGTATACGTTTACCGCTCGGATATA.
What is DNA replication?DNA replication is a process by which a DNA molecule makes a copy of itself. During DNA replication, an enzyme called DNA polymerase reads the existing DNA strand and builds a new complementary strand by matching up the appropriate nucleotides.
To build the complementary strand of DNA, we need to use the base pairing rules: adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G).
So, for each base in the original sequence, we will pair it with its complement:
Original strand: TACGGCATATGCAAATGGCGAGCCTATATTComplementary strand: ATGCCGTATACGTTTACCGCTCGGATATALearn more about DNA Replication here: https://brainly.com/question/21265857
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The complementary strand to the given sequence would be:
ATGCCGTATACGTTTACCGCTCGGATATAA
What is gene sequence?A gene sequence is a specific sequence of nucleotides in DNA (or RNA) that encodes the genetic information for a particular trait, function or protein. Genes are the basic unit of heredity and are responsible for passing on traits from one generation to the next.
The complementary strand of DNA will have a sequence that pairs each nucleotide with its complementary base: adenine (A) with thymine (T), and cytosine (C) with guanine (G). Therefore, the complementary strand to the given sequence would be:
ATGCCGTATACGTTTACCGCTCGGATATAA
During DNA replication, DNA polymerase reads the existing strand from 3' to 5' and builds the complementary strand in the 5' to 3' direction. Therefore, the new strand would be synthesized by adding nucleotides in the following order:
ATA...CGT...TAA...CGC...TGG...ATA
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Earth has five layers based on physical characteristics. The diagram below shows these
five layers. Which letter represents the asthenosphere, the soft layer on which the
tectonic plates move?
Answers
Function of the style
Answers
Answer:
One major function of the style is to assist with fertilization by being the location where pollen tubes travel to deliver sperm cells to the egg.
Treatment of psychological disorders:
A. can offer significant relief
B. often make the problem worse
C. is often unclear
D. is rarely helpful
Answers
According to the article, the BEST way to lose fat is which combination of the following
O Diet, and Resistance Training
O Diet and Cardio Training
O Cardio Training and Resistance Training
O Diet and Gymnastics
Answers
Answer:
Explanation:
#Keto-pills will help you lose weight quickly without exhausting workouts. 2022 Keto Weight Loss Pill.
Predict what will happen when a piece of algae (simple plant) from the ocean is placed in a beaker of fresh water. Be sure to include the appropriate vocabulary while you are explaining your answer including the salt and freshwater environments compared to the algae. (Hypertonic, hypotonic, isotonic).
Answers
When an algae from the ocean is placed in fresh water, the water environment around the algae will become hypotonic in comparison to the algae's cytoplasm.
What makes the ocean water hypotonic?The high concentration of salt and other solutes in the ocean water creates a hypertonic environment for the algae, while the low concentration of solutes in the freshwater creates a hypotonic environment.
This change in osmotic pressure will cause water to move into the algae cells, causing the cells to swell. If the water uptake becomes excessive, the cells may burst and the algae may die.
However, if the algae is able to adjust its internal salt concentration, it can survive in freshwater. This process is called osmoregulation.
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A stream carves a channel through soil rock by removing a few small particles of rock at a time. The stream water slows down when it enters a
pond, allowing the rock particles to settle at the bottom of the pond. Pressure combines these particles into a solid rock. What is the new rock
called?
quartz rock
igneous rock
sedimentary rock
metamorphic rock
Answers
Answer:
The answer is Sedimentary rock.
Explanation:
The stream water slows down when it enters a pond, allowing the rock particles to settle at the bottom of the pond. Pressure combines these particles into a solid rock.
Answer:
The answer is Sedimentary rock.
Explanation:
The stream water slows down when it enters a pond, allowing the rock particles to settle at the bottom of the pond. Pressure combines these particles into a solid rock.
credit to the guy with the first answer
Give three negative side effects that taking too many antibiotics can have on your body
Answers
Answer:
they could create bad bacteria and are harder to kill this is called bacterial resistance or antibiotic resistance.
Explanation:
Answer:
here brainliest plz
Explanation:
Antibiotics Can Upset Sensitive Gut Flora.
Antibiotics Help Teach Good Bacteria to Go Bad.
Antibiotics Are Increasing Cases of Untreatable Gonorrhea.
a plant grown from a [round, yellow] seed is crossed with a plant grown from a [wrinkled, yellow] seed. this cross produces four progeny types in the f1:
Answers
The cross between a plant grown from a round, yellow seed and a plant grown from a wrinkled, yellow seed produces four progeny types in the F1 generation.
This cross is an example of a monohybrid cross, which involves the study of one characteristic, such as seed shape and seed color, at a time. In this case, the F1 generation will display only one phenotype for seed shape (round) and one phenotype for seed color (yellow). This result is due to the dominant alleles for these traits, which hide the recessive alleles. The F1 generation can then be self-pollinated or crossed with another plant to produce the F2 generation, which will display a ratio of phenotypes for the traits being studied. This cross provides valuable information about the inheritance of specific traits and the dominant/recessive relationship between alleles.
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After an organism dies, it stops taking in radioactive carbon-14 from the environment. If the carbon-14:carbon-12 ratio ( / ) in a piece of petrified wood is one sixteenth of the ratio in living matter, how old is the rock
Answers
Answer:
Age of rock= 22920 years
Explanation:
Carbon-12 isotope is a stable isotope whereas carbon-14 isotope undergoes radioactive decay. The half-life of carbon-14 isotope = 5730 years
Since the ratio of carbon-14 to carbon-12 = 1/16 : 1; number of times carbon-14 isotope decayed n
(1/2)ⁿ = 1/16
(1/2)ⁿ = (1/2)⁴
n = 4 times
time(age) for decay = n * half-life
Therefore, age of fossil = 4 * 5730 years
Age of rock = 22920 years
Compare and contrast a fossil with a trace fossil
Answers
Definition:
- Fossil: A fossil refers to the preserved remains or traces of organisms that lived in the past. It can include the hard parts of plants or animals, such as bones, shells, teeth, or wood.
- Trace Fossil: A trace fossil, also known as an ichnofossil, refers to indirect evidence of prehistoric life activities, such as footprints, burrows, tracks, trails, or even feces (coprolites).
Formation:
- Fossil: Fossils form when the remains or hard parts of organisms are buried in sediment or other materials, undergo mineralization over time, and become preserved.
- Trace Fossil: Trace fossils form when an organism's activity or behavior, rather than the organism itself, creates an impression or trace that is preserved in the geological record.
Information Provided:
- Fossil: Fossils can provide direct information about the physical characteristics, anatomy, and structure of ancient organisms. They can offer insights into their evolutionary relationships, adaptations, and paleoenvironments.
- Trace Fossil: Trace fossils provide indirect information about the behavior, locomotion, feeding habits, and ecological interactions of ancient organisms. They can reveal details about their movement patterns, burrowing behavior, or group activities.
Preservation:
- Fossil: Fossils typically require specific conditions for preservation, such as rapid burial, anoxic environments, or mineral-rich sediment. They are often preserved in sedimentary rocks, amber, or ice.
- Trace Fossil: Trace fossils can form in various types of sediments, including mud, sand, or volcanic ash. They can also occur in hardened substrates like limestone or volcanic rock.
Types and Examples:
- Fossil: Examples of fossils include bones, teeth, shells, petrified wood, and preserved soft tissues like feathers or leaves.
- Trace Fossil: Examples of trace fossils include footprints, tracks, burrows, nests, feeding traces, or coprolites (fossilized feces).
In summary, a fossil refers to the preserved remains or traces of organisms themselves, providing direct information about their physical characteristics. On the other hand, a trace fossil refers to indirect evidence of prehistoric life activities, offering insights into behaviors, locomotion, and ecological interactions. Both types of fossils contribute to our understanding of ancient life forms and ecosystems, but through different perspectives and types of evidence.
I hope this helps! :)
Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
Where is a meteorite found?
1) in space
2) in earth’s atmosphere
3) hitting the sun
Answers
Answer:
In space
Explanation:
Because it would be weird if it would be in earth's atmosphere, and hitting the sun is rare. Most likely to come from space
Answer:
In Space.
Explanation:
All meteorites come from inside the solar system. Most break off from an asteroid in the asteroid belt and circle the sun. But they come from Space.
In studies about new medicines, researchers usually give one group of patients the medicine that is designed to treat an illness. They give another group of patients a placebo, which is taken the same way as the medicine but does not actually contain the ingredients of any medicine. Different medicines are tested in different experiments, but the placebos usually contain the same non-medical ingredients. If both groups of patients are healed, then researchers cannot be sure whether the medicine caused improvement, but if the group given the medicine is healed while the group given the placebo remains ill, researchers can conclude that the medicine causes the illness to go away. In medical experiments, which group receives placebos?
Answers
Answer:
The group receiving the placebo is known as the control group
Explanation:
The type of medical study described in the question is known as a placebo-controlled study, which has to do with a group of subjects receiving the actual drug to be tested and another group known as the control group receives a fake (placebo) treatment and they are used in blinded trials where the participants do not know whether they are receiving the real or sham treatment. Placebos are used to rule out the placebo effect, which is the effect on the receipientof the treatment which is not caused by the actual treatment itself, this is important to rule out external or extreneous effects that interfere with treatment arising from factors other than the treatment itself. Without the placebo (control) group, it would be imossible t to know whether the treatment itself had any effect.
Some studies incorporate a third group known as "natural group" that do not receive any treatment whatsoever.
Answer:
The control group
Explanation:
I
got it correct when I put it
Is a human muscle cell a somatic cell or a gamete?
Answers
This seems to be uncomplete
Zebra and Quagga Mussels
Competition is rivalry between individuals for a particular resource.
Give an example of competition within a population: __________________________________________________________________
Give an example of competition among different species of a community: __________________________________________________________________
As population increases, competition _______
Answers
Example of competition within a population:
Zebra mussels compete for food and space with other zebra mussels within their population in a freshwater ecosystem.
Example of competition among different species of a community:
Zebra mussels and quagga mussels compete for food and space in a freshwater ecosystem. Both species are filter feeders that compete for the same resources, which can lead to the displacement of one species by the other in some areas.
As the population increases, competition also increases.
As the number of individuals within a population increases, the demand for limited resources also increases, leading to increased competition between individuals for those resources. This can lead to decreased access to resources, decreased survival rates, and decreased reproductive success, which can ultimately affect the growth and stability of the population.
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a question was asked by a teacher to a student. She gave the student a jumbled word and told him to make words out of it. The jumbled word is gzeysktqix. Now you know what to do. see ya!
Answers
Here are some words that can be made from the jumbled word "gzeysktqix":
gazeskiquiztaxizigzagkickskeyzigskygetHow are words formed from jumbles of letters?Words are formed from jumbles of letters by rearranging the letters in a way that creates a valid word in the English language. There are a few different ways to do this.
One way is to use a dictionary. A dictionary lists all of the words in the English language, along with their definitions. By looking up the jumbled letters in a dictionary, you can find out if they form any valid words.
Another way to form words from jumbles of letters is to use a word unscrambler. A word unscrambler is a software program that can help you unscramble jumbled words.
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You have two true-breeding plants, one with red flowers and one with blue flowers. You cross these plants and produce 1000 offspring: 249 red-flowered offspring, 252 blue-flowered offspring, and 501 offspring which express both of the parental phenotypes by having red and blue striped flowers. Which of the following patterns of inheritance best explains the results you observed?
A. The red pigment allele is completely dominant over the blue pigment allele.
B. The blue pigment allele is incompletely dominant over the red pigment allele.
C. The red and blue pigment alleles are codominant.
D. Blue pigment production is controlled a temperature sensitive allele.
Answers
Answer:
C. The red and blue pigment alleles are codominant.
Explanation:
This pattern of inheritance described in the question is referred to as CODOMINANCE, which is a non-mendelian pattern of inheritance in which one allele of a gene is neither dominant nor recessive to the other allele, hence, both alleles are phenotypically expressed in the heterozygous state.
This is the case of the red and blue pigment alleles in this question. When two true-breeding parents (red and blue pigment) are crossed, they produce some offsprings that simultaneously expresses both of their phenotypes (red and blue stripes). This is because the alleles of those pigments are both dominant in the pigment gene, hence, they are said to be CODOMINANT
In this case, the following patterns of inheritance best explains the results you observed - C. The red and blue pigment alleles are codominant.
CO-DOMINANCE:a non-mendelian inheritance pattern takes place if two alleles of a gene are simultaneously dominant and hence, both express themselves.The genotypic ratio is 1:2:1 where 2 is heterozygous condition which express both traits.In the given condition the ratio is similar to 1:2:1, for BB:Bb:bb so we can say it is an example of codominance.Thus, In this case, the following patterns of inheritance best explains the results you observed - C. The red and blue pigment alleles are codominant.
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what macromolecule should he load up on during dinner to ensure that he has enough energy for the big game?
Answers
Answer:
Carbohydrates and protein are typically the two macromolecules that are used depending on the type of sport.
Explanation:
What is a scientific explanation that has been tested and supported by evidence? (Hint: A thought or belief of something)
a. adaptation
b. evolution
c. natural selection
d. theory
Answers
option (d) theory.
what is theory?A scientific theory is a hypothesis that has undergone rigorous testing, been reviewed by the scientific community, and has substantial evidence backing it. Large collections of observations are frequently described by theories, which also offer a unified justification for those observations.
What is one type of evidence that can be used in a scientific explanation?Empirical evidence is what is employed by scientists. This is proof that has been obtained directly through observations and measurements. The two basic categories of empirical evidence are qualitative and quantitative.
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What is demonstrated as necessary by this experiment for photosynthesis to occur?
Answers
Answer:
Light
Explanation:
This is one of the major factors in photosynthesis.
For the Haber process, N2 + 3H2→2NH3, what theoretical volume of ammonia (NH3) should be produced if we start with 5.0L of N2 if STP?
44.8 L
22.4 L
10.0 L
29.9 L
Answers
For the Haber process, N2 + 3H2→2NH3,10.0 L is the theoretical volume of ammonia (NH3) should be produced if we start with 5.0L of N2 if STP. Therefore, option C is correct.
What is the Haber process ?In the Haber process, “the atmospheric nitrogen (N2) is changed to ammonia (NH3) by reacting it with hydrogen (H₂)”. A metal catalyst is used and high temperatures and pressures are maintained.
The balanced equation for the reaction is as follows:
N₂(g) + 3H₂(g) ⇾ 2NH₃(g)
From the balanced equation,
1 L of N₂ reacted to produce 2 L of NH₃ at STP
From the above information, we can obtain the volume of ammonia, NH₃ produced from 5.0 L of N₂ at STP. Details below:
From the balanced equation,
1 L of N₂ reacted to produce 2 L of NH₃ at STP
Then,
5.0 L of N₂ will react to produce = 5.0 × 2
= 10.0 L of NH₃ at STP
Thus, option C is correct
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TRUE/FALSE. you must digest macromolecules in food to make their monomers available to your cells, which can then rebuild the monomers into the macromolecules that make up your body.
Answers
True. Digestion is the process by which food is broken down into its constituent components so that the body may absorb and utilise the nutrients for energy, development, and repair.
Before being absorbed and utilised by the body, macromolecules like proteins, carbohydrates, and lipids need to be broken down, or digested.
In the same way that carbs and fats are broken down into simple sugars, proteins and carbohydrates into amino acids.
The monomers are subsequently reassembled into the macromolecules that make up your body after being absorbed via the small intestine's cells. The body must go through this process in order to get the nutrients and energy it needs to function correctly.
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One of the challenges facing the world today is supplying enough food for the human population. Farming with genetically modified plants is a possible solution to this challenge. What is a concern with using GM plants?
A. Farming with GM plants that are resistant to chemical herbicides may lead to overuse of weed-killing compounds.
B. Farming with GM plants requires less land and energy, which may lead to lower food costs and an economic crisis for farmers.
C. GM plants require more insecticide use, which may increase the chance of chemical residues in the food supply.
D. Scientific studies on GM plants are not available so the effects of GM plants are unknown.
Answers
Answer:
Option A
Farming with GM plants that are resistant to chemical herbicides may lead to overuse of weed-killing compounds.
Which of these is a characteristic of an artery?
a. They transport oxygenated blood to the body.
b. They always carry blood toward the heart.
c. They act as a bridge between the arterioles and capillaries.
d. None of these
Answers
Answer: a. They transport oxygenated blood to the body.
Explanation:
Arteries are blood vessels that carry oxygenated blood away from the heart to the rest of the body, with the exception of the pulmonary artery, which carries deoxygenated blood from the heart to the lungs for oxygenation.