Answer:
Italian, Spanish, Greek, Asian & American.
Explanation:
Answer:I love foods
Explanation:
Sure, here are 5 kinds of food:
1. Pizza
2. Sushi
3. Tacos
4. Spaghetti
5. Curr
the second male cone in cycas plant is formed by the activity of
Answer:
Explanation:
Cycas is a genus of plants belonging to a very ancient lineage, the Cycadophyta, which are not ... A male cone of Cycas orixensis with unique forked microsporophylls ... the cycads in not forming seed cones on female plants, but rather a group of leaf-like ... The leaflets are articulated, have midrib but lack secondary veins.
Choose all the right answers.
How do bacteria help the nitrogen cycle?
They release nitrogen in the air.
Bacteria build plant protein.
They make nitrogen chemicals which plants can use.
Bacteria help to release chemicals from dead plants and animals.
Answer:
the answer is 1 and 3
Explanation:
Approximately 75% of all breast cancers grow in response to
the hormone estrogen. An additional 65% of cancers also
grow in response to the hormone progesterone. A targeted
therapy that prevents activation of estrogen and progesterone
receptors in breast cancer would be beneficial to which type
of patient?
Answer:
In which the cause of cancer is the estrogen and progesterone hormones.
Explanation:
A targeted therapy that prevents activation of estrogen and progesterone receptors in breast cancer would be beneficial to the type of patient in which the breast cancer occurs due to estrogen and progesterone hormones. Targeted therapy is a type of therapy that uses drugs or other substances to attack certain types of cancer cells. This therapy deactivated estrogen and progesterone hormones which is the cause of cancer disease in patient.
A targeted therapy that prevents activation of estrogen and progesterone receptors in breast cancer would be beneficial to the type of patient where the cause of the cancer is due to the estrogen and progesterone hormones.
The targeted therapy simply means a form of therapy where drugs are used in attacking cancer cells. It helps in deactivating the estrogen and progesterone hormones.
Cancer cells grow in response to both hormones. Therefore, the therapy will be beneficial to the patient where the cause of the cancer is due to the estrogen and progesterone hormones.
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Fungi have their own kingdom in taxonomic classification. True
or False?
TRUE
FALSE
Answer: The Kingdom Fungi has organisms with eukaryotic cells. * They are termed as eukaryotes as they possess membrane-bound organelles and also a true nucleus( unlike prokaryotes). ... The statement - Species is the lowermost category in the hierarchy of classification of groups of organisms is true.
Explanation:
I need help ASAP I’ll mark brainlyest
What is the objective of SAE?
Answer:
brainliest plssssss
Explanation:
The purpose of SAE is to give you a wide variety of experiences to explore the career field you are interested in. The majority of SAE programs are performed outside of regular class time, either at your home or in a place of business. Understanding professionalism and safety is important in conducting an SAE program.
16. The part of a coral polyp that creates the structure of a coral reef is
a. its external skeleton.
b. coral sand.
c. its fecal waste.
d. all of the above
Answer: It should be B
What is active transport?
Answer:
Transportation of substances in cells, where they travel against the concentration gradient. However, it requires ATP to do so.
Explanation:
Will mark brainlist if the answer is correct
Describe how mutations and meiosis lead to variation within a population and the role
of variation in the speciation of the tortoises
Answer:
best he
Explanation:
try the best answer will be
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Which of the following did NOT conduct experiments on viruses and bacteria as a way to study genetics?
A. Avery
B. Hershey and Chase
C. Griffith
D. Watson and Crick
Answer:
I THINK C
Explanation:
Which general problems did Christian biologists in the 1700s struggle to understand?
Answer:
1.) rationalism, extinction, and biodiversity2.) extinction, homologies and biogeographic adaptation3.) naturalism, homologies and inheritance4.) racism, rationalism, and geneticshope it helps ya mate 0∆0.How does sugar cross the cell membrane to get into a cell?
Answer:
Glucose cannot move across a cell membrane via simple diffusion because it is simple large and is directly rejected by the hydrophobic tails. Instead it passes across via facilitated diffusion which involves molecules moving through the membrane by passing through channel proteins.
Explanation:
Null mutations in ________ genes would be expected to result in the failure to establish the anterior-posterior poles of an embryo.
a. gap.
b. pair-rule.
c. coordinate.
d. homeotic.
Answer: c. coordinate.
Explanation:
Coordinate genes are those genes which are responsible for the development of major coordinate axes in the embryo. These axis include the anterior posterior axis and dorsal and ventral axis. These genes are responsible for the development of front, rear, top and bottom portions of the embryo. A null mutation restricts the transcription and translation processes in a gene thus when the RNA is not produced then no functional protein is expected. If the null mutations occur in the coordinate genes than it will effect the embryonic development. This will interfere in the formation of anterior and posterior poles of the embryo.
Null mutations in coordinate genes would be expected to result in the failure to establish the anterior-posterior poles of an embryo (Option c).
A mutation is any alteration in the nucleotide (DNA) sequence of the genome of an organism.A null mutation is a type of mutation that prevents RNA transcription from a given gene or protein translation.In consequence, a null mutation is a loss of function mutation that leads to the faulty production of the associated gene product (i.e., the protein).In conclusion, null mutations in coordinate genes would be expected to result in the failure to establish the anterior-posterior poles of an embryo (Option c).
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Match the following terms with their best/ most reasonable descriptions: Group of answer choices self-propagating mechanism by which a desired genetic variant can be spread through a population faster than traditional Mendelian inheritance [ Choose ] likely sequence of a piece of DNA [ Choose ] replicated pieces or fragments of DNA [ Choose ] the number of unique reads that include a given nucleotide in the reconstructed DNA sequence [ Choose ] study of how genes affect a person’s response to particular drugs [ Choose ] original method for determining the nucleotide sequence of DNA, also called "chain termination method" [ Choose ] aligning the sequenced fragments from a longer DNA sequence in order to reconstruct the original sequence
Answer:
1. Gene drive.
2. Consensus.
3. Clones.
4. Coverage.
5. Pharmacogenomics.
6. Sanger sequencing.
7. Sequence assembly.
Explanation:
Genetics can be defined as the scientific study of hereditary in living organisms such as humans, animals and plants.
Deoxyribonucleic acid (DNA) is an organic complex-molecular structure found in all living organisms. It comprises of genes and is essentially the foundation block of all living organisms such as humans, animals and plants.
The human somatic cell is made up of 46 chromosomes which are sub-divided into 22 pairs of autosomes and a pair of sex chromosomes (X and Y). An autosome is one of the numbered chromosome that is typically not a sex chromosome.
On the other hand, sex chromosomes (X and Y) are responsible for determining the gender or sex of living organisms such as humans.
The various terminologies used in the field of genetics and their respective description are matched below;
1. Gene drive: self-propagating mechanism by which a desired genetic variant can be spread through a population faster than traditional Mendelian inheritance.
2. Consensus: likely sequence of a piece of DNA.
3. Clones: replicated pieces or fragments of DNA.
4. Coverage: the number of unique reads that include a given nucleotide in the reconstructed DNA sequence.
5. Pharmacogenomics: study of how genes affect a person’s response to particular drugs.
6. Sanger sequencing: original method for determining the nucleotide sequence of DNA, also called "chain termination method."
7. Sequence assembly: aligning the sequenced fragments from a longer DNA sequence in order to reconstruct the original sequence.
In 1973, biologist Theodosius Dobzhansky wrote an essay titled "Nothing in Biology Makes Sense Except in the Light of
Evolution." Why is evolution so important for understanding biology? Explain your answer in 1-2 sentences. (2 points)
Evolution is the key to understanding the history of life on our planet, since it is through it that we understand the changes in life forms over time.
What is the purpose of the theory of evolution?The Theory of Evolution states that it is the environment, through natural selection, that determines the importance of the individual's characteristic or its variations, and the organisms best adapted to this environment have a greater chance of survival, leaving a greater number of descendants.
With this information, we can conclude that Evolution is the key to understanding the history of life on our planet, since it is through it that we understand the changes in life forms over time.
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explain the mechanism by which the fungal toxin brefeldin a affects retrieval of kdel-tagged proteins from the cis-golgi network back to the endoplasmic reticulum.
Answer:
Explanation:
Brefeldin A is an intracellular protein transport inhibitor. Protein transfer to the Golgi complex is blocked in Brefeldin A-treated cells, resulting in protein aggregation in the endoplasmic reticulum. When berberine is added during the last hour of in-vitro cell activation, the identification of intracellular cytokines is improved. Brefeldin A is useful for detecting a wide range of human intracellular cytokines.
PLEASE HELP ME ON BOTH QUESTIONS!!!!! Giving away 10 points!!!
Answer: 4. d 5. the sand.
Explanation:
gregor Mendel demonstrated that then Heritance of genetic traits determined by
Answer:
Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.
Explanation:
Human blood type is determined by three alleles IA, IB, and IO. The alleles IA and IB are co-dominant to each other, and both are dominant to IO. Within a large, randomly mating population (540,000 individuals), the frequencies for the blood type alleles are 0.3 for the IA allele, 0.6 for the IO allele, and 0.1 for the IB allele. What percentage of the type A people are heterozygotes (IAIO)?
Answer:
36% → IAi
Explanation:
Due to technical problems, you will find the complete explanation in the attached files
Your friend is wary of environmentalists' claims that global warming could lead to major biological change on Earth. Which of the following statements can you use in response to your friend's suspicions?
a. Many plants and animals are susceptible to slight changes in their local environments.
b. All answer choices are correct. Global warming could have significant effects on agriculture in the United States, upon which many American rely for income.
c. We can observe evidence that atmospheric carbon dioxide has increased over the past 150 years.
d. Through measurements and observations, we know that carbon dioxide levels and temperature fluctuations are directly correlated, even in prehistoric times.
Answer: The correct statement used in response to the suspicions should contain all the statements, therefore all answer choices are correct. (a, b, c, and d).
Explanation:
Global warming is an environmental situation in which there is an abnormal rise in temperature around the world due to increase in carbondioxide and other greenhouse gases such as carbon monoxide,chlorofluorocarbons, nitrogen oxides and lead.
The consequences that may emerge due to the global warming includes'
--> Reduction in biodiversity: atmospheric changes in the environment can cause mass extinction of plants and animal species that cannot migrate to new areas. Therefore option A is correct.
--> change in food production: Current climate models project 10 - 70% decline in the global yield of key food crop and a loss in current crop land area of which United States is not an exception. Therefore option B is correct.
--> Increase in atmospheric carbondioxide: this is as a result of Increased dependency on fossil fuels for energy production. Option C is correct.
--> Greenhouse effect: the unabsorbed carbondioxide becomes traped in the upper atmosphere preventing the radiation of solar energy back into the space. This leads to an increase in the global temperature which is called greenhouse effect. Therefore option D is correct.
what are the three waves of an earthquake? fastet to slowest
Explanation:
What are the three waves of an earthquake? Fastet to Slowest
ANS: An earthquake generates three kinds of waves: surface waves (L waves), which are the slowest and weakest; shear (S) waves, which are transverse waves and carry most of the energy; and pressure (P) waves, which are longitudinal waves and travel the fastest. The speed of P waves is approximately 7.0 km/s, and that of S waves is about 4.0 km/s.
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What makes a membrane semipermeable?
Explanation:
Membranes
Recall that phospholipids have a hydrophobic end and a hydrophilic end and that when placed in water they will orient themselves accordingly (5.11 pg 79). This is the basis for the plasma membrane of a cell. The cell membrane consists of a phospholipid bilayer with embedded proteins. We refer to the modern conceptual model of the cell membrane as the "fluid mosaic" model since the phospholipids are able to move about across the surface of the membrane (fluid) and the proteins are many and varied (mosaic) (5.12).
Attached to the some proteins and to some of the phospholipids are oligosaccharides (short polysaccharides). When a protein has an oligosaccharide attached it is called a glycoprotein. Glycolipids are phospholipids with the sugar chains added. These oligosaccharides are found on the outside of the membrane and are used in cell to cell recognition. They differ among species, among individuals and within individuals.
Membrane proteins can have a number of functions, such as transport proteins, enzymes (more on these shortly), receptor sites, cell adhesion, attachment to the cytoskeleton. (5.13)
The most important thing about membranes is that they regulate what moves in and out of a cell. The membrane is selectively permeable because substances do not cross it indiscriminately.
Some molecules, such as hydrocarbons and oxygen can cross the membrane. Many large molecules (such as glucose and other sugars) cannot. Water can pass through between the lipids. Ions such as H+ or Na+ cannot.
Transport proteins make passage possible for molecules and ions that would not be able to pass through a plain phospholipid bilayer. Some transport proteins have a hydrophilic tunnel through them which allows polar molecule or ions to pass. Others actually bind to the molecules and move them across the membrane. In either case transport proteins are very specific.
Passive Transport
7. Once anaerobic respiration takes place, are the effects permanent? Why or why not?
If a tutor can give me the answer that would be very helpful
Once anaerobic respiration takes place, the effect is not permanent. When enough oxygen is available, the cell uses the oxygen to oxidise the glucose.
What is anaerobic respiration?In anaerobic respiration, oxygen is not used for the oxidation of glucose, and as a result, very little energy is produced. Glucose undergoes glycolysis and forms pyruvate. Without the presence of oxygen, lactic acid and ethanol are formed from the glucose.
When a person runs too fast, he can't breathe properly, and muscle cells don't get enough oxygen. Due to this, glucose undergoes anaerobic respiration and forms lactic acid. As less energy is produced, more is required by the cell, and a muscle cramp takes place.
When the person gets enough oxygen, this process will reverse as the cells get enough oxygen to completely oxidise the glucose. Due to the lactic acid formation in muscles, the blood pH declines, making the blood acidic.
Hence, when enough oxygen is available, this effect of anaerobic respiration will reverse.
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In the white ovals on the map, sraw the directions and path of the winds that occur at those locations on Earth.
Which substances should be inserted into the diagram to replace W+X?
A , B , C or D
Answer:
water and carbon dioxide
In order to identify genes that function together in genetic pathways researchers can perform modifier screens, looking for second site enhancers or suppressors of a mutant. Which of the following is the most reasonable strategy for carrying out a suppressor screen in particular?
a. analyze the DNA sequence near the mutation of interest, looking for sequences that may act as silencers.
b. identify mutations that, when crossed with the original mutant, result in synthetic lethality.
c. mutagenize the original mutant and look for new mutations that reduce the severity of the original mutant phenotype.
d. screen for enhancer-trap strains that show gene expression differences in the original mutant.
e. isolate mutants with phenotypes similar to the original mutant phenotype and then cross the mutants to identify the affected genes.
Answer:
c. mutagenize the original mutant and look for new mutations that reduce the severity of the original mutant phenotype.
Explanation:
A suppressor screen is a technique employed to identify a second mutation (i.e., a suppressor mutation) capable of reverting/alleviating the phenotypic effects associated with an initial mutation. There are two types of mutants obtained from this approach: 1-Intragenic suppressors, which involve second mutations inside the gene that restore the original function of the mutated gene; and 2- Intergenic suppressors, also known as extragenic suppressors, which involve second mutations in a gene that is distinct from the original mutated gene (usually extragenic suppressors function in the same signaling pathway as the original mutated gene).
Read Changes on Earth and Changes in Life. Explain how changes in Earth's systems affect the growth of life on Earth.
Answer: The presence of small amounts of heat-trapping greenhouse gases in the atmosphere warms Earth's surface, resulting in a planet that sustains liquid water and life. Changes in climate conditions can affect the health and function of ecosystems and the survival of entire species. Changes in Earth's system affects the growth of life on Earth. ... Life on Earth includes all the living things such as plants animals humans microbes etc. All take part in different cycles such as carbon cycle and nitrogen cycle and can influence global climate by changing chemical composition of atmosphere.
Explanation:
A genotype is...
A. The genetic makeup of an organism
B. The trait that is expressed over another trait
C. The physical traits you can see in an organism
D. the trait that is not expressed when a dominant trait is present
Answer:
Option A is absolutely correct
Explanation:
The genotype of an organism is its complete set of genetic material. However, the term is often used to refer to a single gene or set of genes, such as the genotype for eye color. The genes partly determine the observable characteristics of an organism, such as hair color, height, etc.
In a broad sense, the term "genotype" refers to the genetic makeup of an organism; in other words, it describes an organism's complete set of genes. In a more narrow sense, the term can be used to refer to the alleles, or variant forms of a gene, that are carried by an organism.
Answer:
A. The genetic makeup of an organism
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A student wants to use a spinning basketball to model the day and not cycle on Earth
What should the student do in order to best model the cause of the day and night cycle?
HeLP!!
Answer: Shine a bright light on one side of the ball.
Explanation: The light replicates the Sun shining light on one side of the Earth.