Answer:
nucleic acid
Explanation:
Dr griffithorn determined that nucleic acid was the molecule that contains all inheritance
Which of the following is the best explanation for why domains were added to the previous system of classification?
It was determined that Archaea differed significantly from Bacteria in terms of their genetic makeup, biochemistry, and other characteristics; hence, a separate domain was established for them.
Which category has been added most recently to our classification schemes?The inclusion of a domain taxon, or group, to the top of the taxonomy chart is one of the more recent improvements. This taxon, which is the largest, divides all living things into three primary categories: Archaea, Bacteria, and Eukarya.
Why was the proposed three-domain classification system made?The Three Domain System is an evolutionary phylogenetic model suggested by Woese and others based on variations in the nucleotide sequences of ribosomal RNAs (rRNA) and membrane lipid composition of cells.
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Samantha joins a group that cleans litter out of streams. What sort of impact is this group having on the environment?
The kind of impact this group is having on the environment is removing garbage that could pollute and kill animals, making water cleaner, and more animal life.
What are the consequences of garbage that ends up in rivers?When garbage is disposed of on public roads, it causes infrastructure problems and flooding. Upon reaching the rivers, it causes environmental imbalance, representing a great threat to aquatic life, in addition to contaminating the water used for human consumption, making it inappropriate and causing diseases.
With this information, we can conclude that the kind of impact this group is having on the environment is removing garbage that could pollute and kill animals, making water cleaner, and more animal life.
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Does anyone know the answers for this and a possible explanation on how you got it?
Answer:
10. BB and EE
11. Aa, Dd and Gg
12. cc and ff
13. Aa, BB, Dd and Gg
14. cc and ff
Explanation:
The capital letters are the Dominant genes and the lower case letters are the recessive genes.
Homo in homozygous means same and hetero in heterozygous.
This means that the homozygous dominant means 2 of the same dominant genes and same for recessive as well.
In the heterozygous it means to select the ones that have both dominant and recessive genes
The phenotypes is the appearance of what your talking about plants for example if it has Dd or DD genes it has a dominant trait appearance but can still pass on recessive genes if it was Dd. The recessive phenotypes will only appear recessive if it has 2 recessive genes such as dd.
which portion of the fibula articulates with the talus?
Answer:
The distal end of the fibula forms the lateral malleolus, which forms the easily palpated bony bump on the lateral side of the ankle. The deep (medial) side of the lateral malleolus articulates with the talus bone of the foot as part of the ankle joint.
Explanation:
what did charles Darwin and Alfred wallace propose
Answer:
"theory of evolution by natural selection,”
this was proposed by charles darwin and alfred wallace in the 19th century
state two functions performed by bile juice
The immediate source of energy that powers a cells activities is ?
Answer:
Food
Explanation:
The immediate source of energy that powers a cell's activities is adenosine triphosphate. food.
which of the following choices reflects the appropriate order of locations through which a protein destined for the plasma membrane travels?
The order of locations through which a protein destined for the plasma membrane travels is Golgi apparatus, Endoplasmic reticulum.
Protein trafficking refers to the process by which proteins are transported to their destination after synthesis. Following translation, a protein is conveyed to the Golgi apparatus through vesicular transport. The transport is mediated by coat proteins and small GTPases. Once a protein is in the Golgi, it is sorted to its final destination. Proteins destined for the plasma membrane travel through the trans-Golgi network and finally reach the plasma membrane.In eukaryotic cells, the endoplasmic reticulum (ER) is the organelle where the majority of secretory and membrane proteins are synthesized. The ER is also the site of post-translational modifications like folding and glycosylation, which are necessary for the proteins to attain their correct conformations. It is in the rough endoplasmic reticulum that secretory proteins, such as those for export outside of the cell, are synthesized.
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what was leeuwenhoek's contribution to the science of microbiology? view available hint(s)for part a what was leeuwenhoek's contribution to the science of microbiology? he discovered some of the ways in which microbes can be transmitted between individuals. he developed the vaccine for smallpox. he developed the first microscope. he did experiments supporting the idea of spontaneous generation.
Leeuwenhoek's contributions to the science of microbiology are making a vaccine for smallpox, the theory of spontaneous generation, the first microscope, and a few more.
Leeuwenhoek is credited with making major contributions to the science of microbiology. He is most famous for being the first person to observe and document bacteria and other microorganisms through the use of his handmade microscopes. He discovered that these microbes could be transmitted between individuals and that there were different types of them.
He also conducted experiments that supported the theory of spontaneous generation, which proposed that life could come from non-living material.
In addition to these discoveries, he developed the first successful vaccine for smallpox. He achieved this by using inoculation, which involved introducing the virus into the body of a healthy individual to induce immunity.
His research on bacteria and other microorganisms also had a huge impact on the development of modern medicine and the discovery of antibiotics.
Leeuwenhoek's discoveries and research have been invaluable to the science of microbiology and modern medicine. His work has provided insights into the structure and behavior of microbes, led to the development of the vaccine for smallpox, and aided in the development of modern antibiotics.
Without his pioneering work, we would not have the same level of understanding and appreciation of microbiology as we do today.
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1. Which group is made up of organisms that are most similar genetically?
O class
Oorder
O phylum
O
species
Answer:
species is the group in biology that is made up of organisms that are most similar genetically.They share very similar characteristics.
In 3 to 5 sentences, describe the relationship between a glucose molecule and the products it makes during cellular respiration
Answer:
Give me brailest
Explanation:
I needs itss
Jennifer has blue eyes. both her mother and father have brown eyes. her grandmother on her mother's side has blue eyes. explain how jennifer inherited her blue eyes. make sure you mention the genotype of jennifer and each of her parents in your explanation.
To understand how Jennifer inherited her blue eyes, we need to know about the genetics of eye color. Eye color is determined by the amount and type of pigments in the iris. This is controlled by multiple genes, but the main one is called OCA2.
Jennifer inherited one copy of the blue-eye allele from her mother and one copy of the brown-eye allele from her father. This means that her genotype is heterozygous for the OCA2 gene, which is represented as Bb. However, the blue-eye allele is recessive, which means that it is only expressed when both copies of the OCA2 gene are the blue-eye allele.
Jennifer's mother must also be heterozygous for the OCA2 gene, meaning her genotype is also Bb. However, her brown-eye allele is dominant, so it is expressed, giving her brown eyes. Jennifer's father must have a homozygous dominant genotype (BB) for the OCA2 gene, which means he has brown eyes.
Now, Jennifer's grandmother on her mother's side has blue eyes, which means she must have two copies of the blue-eye allele (bb). She passed one of these alleles to Jennifer's mother, which is how Jennifer inherited her blue-eye allele.
In conclusion, Jennifer inherited her blue eyes because she received one copy of the blue-eye allele from her heterozygous mother, who inherited it from her blue-eyed mother. Jennifer's genotype is Bb, which means she has one copy of the blue-eye allele and one copy of the brown-eye allele. However, since the blue-eye allele is recessive, it only expresses when both copies of the OCA2 gene are the blue-eye allele.
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If the nuclear DNA in the sample is degraded, mtDNA can be used, but it cannot be linked to an exact person.
True
False
True. Mitochondrial DNA (mtDNA) is often used when nuclear DNA in a sample is degraded or not present. This is because mtDNA is more resilient than nuclear DNA and is not affected by environmental factors such as temperature and humidity as much as nuclear DNA.
It also has a higher copy number, meaning more of it is present in a sample. However, mtDNA is only inherited from the maternal line and therefore can only be used to link two individuals if they are related through the maternal line.
Additionally, mtDNA can only be used to link individuals to a certain degree, and an exact person cannot be identified. For example, mtDNA can be used to link a sample to a maternal family line, but cannot be used to link a sample to a specific person in that family line.
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which of the following statements about genetics is true? genes are proteins that produce dna. each dna molecule is a single strand of nucleotides. dna is made up of six different kinds of nucleotides. differences among organisms reflect different nucleotide sequences in their dna.
Answer:
I think its D
Explanation:
Which of the following disorders is caused by a defect in the production of an elastic connective tissue protein called fibrillin?
cystic fibrosis
Tay-Sachs disease
Marfan syndrome
Huntington disease
sickle-cell disease
Marfan syndrome is caused by a defect in the production of an elastic connective tissue protein called fibrillin.
Marfan syndrome is a genetic disorder that affects the body's connective tissue, which provides support and structure to various organs and tissues. The correct option is" Marfan syndrome is a disorder caused by a defect in the production of an elastic connective tissue protein called fibrillin".
Marfan syndrome is caused by mutations in the gene responsible for producing the protein called fibrillin-1. Fibrillin is a critical component of connective tissue and is involved in maintaining the strength and flexibility of various body structures, including the heart, blood vessels, bones, joints, and eyes.
Individuals with Marfan syndrome often have tall stature, long limbs, and flexible joints. They may also have various cardiovascular abnormalities, such as aortic aneurysms or valve problems. Other common features include a long, narrow face, a high-arched palate, a curved spine (scoliosis), and lens dislocation in the eye.
The correct option is "Marfan syndrome is a disorder caused by a defect in the production of an elastic connective tissue protein called fibrillin".
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Why are so many big cities located along the banks of a river?
Answer:
because rivers provide easy shipping routes to transportation of goods and people.
Rivers provide great and practical transportation channels for goods, people, and cargo.
Goods can easily be transported up and down waterways rather than on congested roadways. The land is immensely fruitful in river valleys.
Rivers are valued as essential food sources, modes of transportation, defensive positions, and natural habitats. Sharks and other fish species that reside in the water are the sources of the cod liver oil and shark liver oil we consume. These oils offer a variety of advantages.
The closeness of large cities to the sea has contributed to their expansion.
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Austin and Marissa hypothesize that coneflower stomata use feedback loops to respond to moisture levels by opening when there is moisture present, and closing when there is no moisture present. Which BEST describes the setup they should use to support their hypothesis?
A
Austin and Marissa should observe the number of closed stomata on one leaf, mist the leaf with water, wait one hour, and count the total number of stomata.
B
Austin and Marissa should observe the number of stomata on one leaf, mist the leaf with water, wait one hour, and count the number of stomata that have grown.
C
Austin and Marissa should observe the number of open stomata on one leaf, mist the leaf with water, wait one hour, and count the number of open stomata again.
D
Austin and Marissa should observe the number of stomata on one leaf, mist the leaf with water, wait one hour, and count the number of stomata that have disappeared.
Austin and Marissa should observe the number of open stomata on one leaf, mist the leaf with water, wait one hour, and count the number of open stomata again.
In the epidermis of tree leaves and needles, there are cell structures called stomata that play a role in the exchange of water and carbon dioxide between plants and the atmosphere.
Stomata, the tiny pores on the outside of leaves and stalks, control how gases enter and exit leaves and therefore, how plants as a whole function. On all periods, ranging from minutes to millennia, they adjust to regional and global changes.
Guard cells are a pair of specialized epidermal cells that make up stomata. By adjusting the size of the stomatal pore, stomata govern water loss and the exchange of gases between the plant and its surroundings.
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You have a patient who is lethargic (really sleepy, lacking energy),
though they have gotten plenty of sleep and eaten full meals throughout the day. What organelle is likely the dysfunctional culprit?
Lysosome
Mitochondria
Nucleus
Vacuole
According to the research, the correct option is Mitochondria. If a patient is lethargic (really sleepy, lacking energy), probably Mitochondria is likely the dysfunctional culprit organelle.
What is Mitochondria?It is a cellular organelle that provides the energy necessary to carry out cellular activity from the synthesis of ATP by oxidizing metabolites through oxidative phosphorylation, generating a very high percentage of the energy produced by the cell.
In this sense, it provides chemical fuel to the various cellular processes necessary for life (cellular respiration), a defect in it would attract lacking energy.
Therefore, we can conclude that according to the research, the correct option is Mitochondria. If a patient is lethargic (really sleepy, lacking energy), probably Mitochondria is likely the dysfunctional culprit organelle.
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Use your knowledge of science to answer the questionSelect the three correct answers
They give us the following statements
A) Glucose is broken down into carbon dioxide and water.
This statement would be correct if we are talking about cell respiration because glucose and oxygen produce carbon dioxide, water, and energy in that reaction.
B) Energy is stored in the bonds of ATP.
1. SELECT ONE NATURAL HAZARD IN THE PICTURE AND SUGGEST WAYS ON HOW PEOPLE MUST BE PREPARED TO FACE THE HAZARD IN TERMS OF THE DIFFERENT PERSPECTIVES GIVEN BELOW
CHOSEN HAZARD: VOLCANIC ERUPTION
Pa help po pls... I really need help po. I'll mark brainliest po who answered po.
Example: Earthquake
Answer:
During a volcanic eruption people should make sure they are prepared within their home with supplies, but also should turn off any heating or cooling within the house. Make sure all windows and doors are closed and locked. Goggles can protect your eyes from the heat and ash, try not to breath in said ash, a mask could help along with long sleeve clothes. Make sure vehicles are off to prevent them from blowing up. Seek shelter and avoid low areas.
Name the following.
(a) Tissue that forms the inner lining of our mouth.
(b) Tissue that connects muscle to bone in humans.
(c) Tissue that transports food in plants.
(d) Tissue that stores fat in our body.
(e) Connective tissue with a fluid matrix.
(f) Tissue present in the brain
Which of the following muscles rotates the forearm so the palms are facing down?
Answer:
a. Pronator teres
Explanation: is the correct answer
Homologous is used to
describe alleles that match
true or false
Answer:
true
Explanation:
sbdhsusbedbsssarv
Which of these organisms is a producer?
A: snake
B:Fern
C: bear
D:trout
Answer:
b fern
Explanation:
because its a plant and plants produce food for other oragnisams
what was worked D.R Aklilu Lema ? and what is his reasarch?
Answer:
In 1964 a young Ethiopian doctor, Aklilu Lemma, discovered that suds from the fruit of a common African plant, the endod or soapberry, which African women have used as soap for centuries, act as a potent molluscicide. ... And Lemma's early research confirmed this potential.
23. Mike has a mass of 60 kg. He pulls on a wagon of mass 30 kg with a force of 20 N. The wagon remains motionless.
The wagon exerts a force of ____ on Mike
Answer:
20N
Explanation:
Which of these human features evolved most recently?
a. enlarged brain
b. upright posture
c. an opposable thumb
d. spinal column of bone
Answer: Enlarged brain because this is how i found it it was on quizlet
Explanation:
The stability of actin microfilaments can only be modified by proteins.
a. true
b. false
The stability of actin microfilaments can only be modified by proteins.- TRUE.
Microfilaments are the smallest of the cytoskeleton's three different kinds of protein fibers. They are formed of several connected actin monomers, which are assembled into a structure that resembles a double helix, and have a diameter of around 7 nm. Microfilaments are also referred to as actin filaments because they are composed of actin monomers.Actin filaments play a variety of significant tasks in cells. They act as tracks for myosin, a motor protein that can also form filaments, to move along. Actin participates in a variety of cellular processes that call for mobility because of its connection to myosin.learn more about actin here: https://brainly.com/question/23185374
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What is an enzyme’s function in living things?
What procedure did you use to complete the lab? Energy Transfer
Outline the steps of the procedure in full sentences
Energy transfer refers to the movement of energy from one system to another, or from one object to another.
Energy transfer refers to the movement of energy from one system to another, or from one object to another. This transfer of energy can occur through various mechanisms, such as heat, work, or radiation. For example, when you turn on a lamp, electrical energy is transferred from the power source to the lamp, where it is converted into light energy and heat energy. When you boil water on a stove, the heat from the stove is transferred to the pot, which in turn transfers the heat to the water, causing it to boil.
Energy transfer is a fundamental concept in physics and plays a critical role in many areas of science and engineering, including thermodynamics, mechanics, and electromagnetism. Understanding how energy is transferred and transformed is essential for designing efficient and sustainable technologies, as well as for understanding natural phenomena such as weather patterns and climate change.
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The given question is incomplete, the complete question is:
What is energy transfer ?