Answer: A & D
Explanation:
Photosynthesis is to chloroplasts as cell respiration is toPhotosynthesis is to chloroplasts as cell respiration is tocytoplasmglucosegolgi bodymitochondria
Photosynthesis is the process in which the chloroplasts transform the energy from sunlight into biochemical energy and store it in ATP molecules.
Cell respiration is the process in which biochemical energy is synthesized by the mitochondria.
The correct answer is "mitochondria"
2. Protists are able to make their own food through photosynthesis.TrueFalse
This question must be approached carefully, protists as a kingdom include protozoans and algae, from this the only ones that do photosynthesis are algae, therefore if we talk of protists as kingdom we can say that is true if we talk of protists as protozoans is false.
how many ATP produced during fermentation?a_38 ATPb_36ATPc_2ATP
So as you say, ATP is a molecule involved in energy generation. This molecule, Adenosine Triphospate is a nucleotide comformed by a nitrogenous base (adenosine), and by a pentose sugar, and in fermentation is carried out by glucolisis due to the absent of oxygen, producing only 2 molecules of this ATP.
What is the FIRST thing one should do when reading the Nutrition Facts table:Look at the ingredients list and determine if it is the best option for you. Look at the specific amount of food listed and compare it to how much you actually eat. Look at the caloric content and determine if it meets your nutritional goals. Look at the percentage daily values and determine if it meets your nutritional goals.
According to FDA, there are four areas to look out for. These areas are (1) the serving information or serving size, (2) calories or amount per serving, (3) nutrients, and (4) the % daily value.
Serving information or serving size is the first you look up. It tells you the average amount a person c
Does Kudzu help with soil erosion in the environment Explain why or why not
Solution:
The correct answer is:
Yes, Kudzu helps prevent erosion.
Explanation:
Kudzu is a leafy vine that can prevent soil erosion. This is due to its wide leaves and strong root system that prevents soil erosion. In fact, Kudzu exhibits a symbiotic relationship with nitrogen-fixing bacteria, which may help explain their successful growth on heavily eroded sites. The kudzu cover prevents soil erosion because produces a high density of organic matter and this slows down the speed of rainwater. Also, Kudzu maintains soil moisture and prevents runoff even on steep slopes.
36. Which statement about the human genome is false?A. It contains approximately 23,000 genes.B. It contains long stretches of repeated sequences with no known directfunction.C. Over 50 percent of all the nucleotides code for proteins in the human body.
the correct answer is C. Over 50 percent of all the nucleotides code for proteins in the human body.
Select the correct answer.The reaction mature for PCR is missing the enzyme Tans polymerase. Which step of PC would this affect?A. extraction of DNAB. denaturation of DNAC. binding of primerD. preservation of DNAE. elongation
answer
the polymerase enzyme is used in translation
E. elongation
Which interaction is positive?a. Parasitismb. Predationc. Herbivoryd. Competitione. Mutualism
The offspring of mating between true-breeding individuals is known as the:parental generation.primary generation.F1 generation.F2 generation.
The correct answer is "parental generation", since this inter-breeding refers to pure races/genotypes, that potentially could generate any genotype combination.
The diagram shows the cycling of nutrients in an ecosystem.The removal of which of the following groups would cause an immediate decrease in the amount of energy flowing through the system?decomposersinorganic nutrientsproducersconsumers
Energy flows through the ecosystem, but no new energy is created. The sun represents a constant input of new energy to the ecosystem. Autotrophs use this energy to create chemical energy and inorganic matter to make organic compounds, thus making the energy provided by the sun available for the other components of the energy flow chain.
Without "producers" making energy available for all other links, the amount of "new" energy flowing through the system will decrease.
On the other end of the energy flow system, you find the "decomposers", the organisms in this group are in charge of degrading the organic remains of dead organisms, as well as metabolic waste products. These organisms are in charge of making the energy stored in the organic remains available for other groups of the system to use. Without the members of this group, the energy stored in the remains wouldn't be able to reenter the cycle and the energy levels, usually conserved, will drop greatly.
Out of both groups, the "producers" are in charge of producing and recycling energy, and the "decomposers" are in charge of "recycling" the energy stored in organic remains, the one whose absence will cause a greater drop in energy will be the decomposers.
PLEASE I BEG YOU In fruit flies, wild type (+) wings are dominant to vestigial wings (v). An F1 generation is produced that has a phenotypic ratio of 1 wild type: 1 vestigial. Of the P generation, the male had vestigial wings and the female had wild type wings. What were the genotypes of the P generation and the F1 generation?
Assuming the shape of wings is coded by a diallelic gene expressing complete dominance, in the proposed cross the parental genotypes are vv and +v. And the progeny genotypes are vv and +v.
What is complete dominance?
In genes that express complete dominance, one of the alleles completely hides the expression of the other allele in heterozygous individuals.
In these cases, even when the individual is carrying both alleles, the expressed phenotype is the dominant one.
In fruit flies,
wild type (+) wings are dominant vestigial wings (v) are recessiveIn the cross,
male had vestigial wings, vvfemale had wild type wings, ++ or +vF1 phenotypic ratio 1:1Half of the progeny expressed vestigial wings and the other half expressed the wild type.
We know the male could only transmit the recessive allele.
If there are individuals expressing the recessive phenotype among the progeny, it means that the female is heterozygous and it transmitted a dominant and a recessive allele.
If the female was homozygous dominant, the whole progeny would be heterozygous and would express the dominant phenotype.
Cross: male with vestigial wings and female with wild type wings
Parentals) vv x +v
Gametes) v v + v
Punnett square) v v
+ +v +v
v vv vv
F1)
1/2 = 50% of the progeny is heterozygous and expresses the wild type wings.1/2 = 50% of the progeny is homozygous recessive and expresses vestigial wings.Genotype of the P generation
vv ⇒ male+v ⇒ femaleGenotype of the F1 generation
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What occurs when a clonal production of a diploid egg is activated, but not fertilized by the presence of sperm?A) GynogeneisisB) ParthenogenesisC) RegenerationD) Hybridization
The asexual reproduction or clonal production, of a diploid egg that is activated but not fertilized by the prescence of sperm is a proccess called parthenogenesis (optionB).
Select 3 that apply.The purpose of placenta is to: Select all that apply.pass along oxygenfeed the growing embryoremove wastefeed the larvapass along nitrogen
The placenta is an organ developed in the uterus during pregnancy, it works as an endocrine gland, secreting hormones, and also provides oxygen, and nutrients to the baby.
In the bind point between the placenta and the uterus begins the umbilical cord.
also has a filter function that allows the movement of certain particles.
From the options given
• pass along oxygen --> ,is true
,• feed the growing embryo-->, is true
• remove waste -->, is true
,• feed the larva--> ,is false
,• pass along nitrogen--> ,is true, but mainly as nutrients.
The answer is to pass along oxygen, feed the growing embryo, and remove waste
What is the naturally occurring variation in the genetic information on a segment of DNA among individuals?A) PolymorphismB) Genetic variationC) MutationD) Morphism
Naturally occurring variation in the genetic information on a segment of DNA among individuals is referred to as mutation. When a cell divides and produce a copy of DNA, mutation can sometime happen when the copied DNA is not perfect. This slight change from the model DNA is called as mutation.
Answer - Option C - Mutation
Discuss risk factors, and steps that may be taken to decrease risk factors for breast cancer, colon and rectal cancer, lung cancer, prostate cancer, and skin cancer.
Breast cancer is a multifactorial disease so the risk factors can be varied. However, the main factors are gender and age, since most breast cancers are detected in women over 50 years of age. Other risk factors that cannot be avoided include genetic mutations in genes such as BRCA1 and 2, having early menstruation and late menopause, as there is exposure to hormones for a longer time, having relatives with breast cancer and having received radiotherapy.
It should be noted that there are also risk factors that can be avoided. These include taking hormone treatments, not exercising, being overweight, drinking alcohol and getting pregnant for the first time after the age of 30. Fortunately, these factors can be reduced by exercising, eating a healthy diet, and receiving reproductive and hormonal counseling from a physician.
Place the labels in the correct areas for the equation of photosynthesis
The complete equation of photosynthesis is shown in the image attached to the answer. Carbon dioxide and water are the reactants while glucose and oxygen are the products.
What is photosynthesis?We know that the process of photosynthesis has to do with the process by which there is the combination of carbon dioxide and water and these would now lead to the formation of the sugars that we have in photosynthesis.
It is the sun that acts as the catalyst of the process and then the light from cell would fall on the green pigment of the plant as the process is underway in the system of the plant.
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What reproductive part is responsible for carrying eggs to the uterus?A. Sperm ductB. UrethraC. OvaryD. Oviduct
The reproductive part which is responsible for carrying eggs of the uterus is the oviduct, also known as fallopian tubes after they are produced in the ovary of a woman. There will be the structure sperm have to reach to occur in fertilization and the posterior formation of an embryo.
The correct answer then is the last one: oviduct.
Is this accurate? It is my response for a short summary about the impact of Kudzu on nonnative regions If not , what could be reworded? The kudzu-invaded ecosystem will lead to a significant loss in the variety of flora and fauna within it. As previously mentioned, kudzu disrupts and threatens the biodiversity in ecosystems by spreading over any primary producers that are in its way and obstructing any sunlight from what it covers. A sustainable ecosystem isn’t complete without grasses, trees, plants, and other organisms, this means that a kudzu-invaded ecosystem will NOT flourish by any circumstance.
No, this is not accurate. It could be reworded as Recent studies have revealed that kudzu's effects are more problematic than previously believed.
Fast-growing invasive plants like kudzu outcompete anything from native grasses to fully developed trees by blocking the sunlight needed for photosynthetic activity.
Because it suffocates other plants and trees under a canopy of leaves, taking all the sunshine and trapping other species in its shade, kudzu is very terrible for the ecosystems that it invades.
Due to its aggressive nature, kudzu has a variety of negative ecological effects, such as shading out native plants in forest understories, changing the chemistry of soil by fixing nitrogen, and reducing native biodiversity.
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10. A mutation in the DNA that produced the strand of messenger RNA shown below produced a newstrand of mutant messenger RNA.UGACUGCAGCUUIf the mutation was a deletion of the first base pair in the second codon, which of the following sequenceswould represent the resulting mutant messenger RNA?A. UACUGCAGCUUB. UGAUGCAGCUUC. UCUGCAGCUUD. UGAGCAGCUU
mRNA of the mutated DNA: UGACUGCAGCUU (in bold is the second codon)
If the mRNA has a mutation by a deletion on the first base pair of the second codon, the sequence produced will be UGA-UGC-AGC-UU. The second codon is originally CUG but with the deletion, C is left out.
ANSWER: B.
what causes separation of DNA bands during electrophoresis?
The electrophoresis technique allows the separation of DNA bands based on two characteristics: the size of the DNA fragments, and the charges of the DNA fragments, although other variables may intervene as well, such as the conformation of the molecules and the components used to make the gel and the buffers.
Which makes precipitation and runoff possible?A. groundwaterB. gravityC. vaporD. radiant energy
Precipitation is the condensation of water vapor to droplets. It forms clouds that when it contains a lot of water droplets will fall into the ground, and we call it "rain".
Runoff is when the flow of water is in excess and the land cannot absorb it fast.
In both processes, gravity acts on the flow of water. During precipitation, gravity pulls the droplet down from the atmosphere. During a runoff, the flow of water goes down from the side of the mountains to the streams and rivers. Both can also be observed in a water cycle.
ANSWER: B. gravity
Which of the following
materials are being
transported in and out of the
cell through its cell
membrane?
A. energy and water
B. waste and nutrients this
C. DNA and mitochondria
This male fiddler crab is waving his claws to attract a female. What type of behavior is this?Question 29 options:defensesurvival learnedinherited
The male fiddler crab wave his claws to attract the attention of females in the environment, being that a known mating technique within the species. Therefore, it is a survival behavior that guarantees the dissemination of genes (male that have mating success) and reprodution inside the species.
What are the principles of the cell theory?
Cell theory states that all organisms are made of cells, that they are the basic structure of all organisms, and that each cell is made of a preexistent cell.
These three statements are the principles of the cell theory.
What does a carbon atom do during cellular respiration?
Carbon compounds are the energy source of cellular respiration. These molecules are oxidized, that is, they lost their electrons, in order create energy for the cell. For example, we could start with a large lipid chain of 16 carbon atoms, that will experience oxidation in order to create conditions for ATP synthesis, that finally will become one carbon atom. Single carbon atoms are exhaled in respiration as CO2 (Carbon dioxidde). So, carbon atoms are the source of energy in cellular respiration (as carbon molecules), and finally they serve as a mean to exhale the metabolic waste, as CO2.
Complete each statement by choosing the correct answer from the drop-down menu. can develop when a person has elevated levels of glucose in the blood. can occur when the body is exposed to extremely cold temperatures for a long time. can occur when the body is exposed to extremely hot temperatures for a long time.
Diabetes can result from elevated levels of glucose in blood. Hypothermia can be observed when the body is subjected to extreme cold temperatures for a long duration. Hyperthermia can occur when the body is exposed to extreme high temperatures for a long time.
Diabetes is caused due to increased levels of glucose in the blood. It is a medical condition that is usually associated with the deficiency or improper functioning of the Insulin hormone.
Hypothermia is a condition which develops from exposure to extremely low temperatures, i.e. below 95.0 °F, for a long period of time. Its symptoms may vary according to the temperature. Severe hypothermia can be fatal. Hyperthermia is the opposite condition, where the body temperature remains elevated abnormally for a long time.
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Briefly explain the primary roles of NADH and FADH2 in cellular respiration.
NADH is the Nicotinamide adenine dinucleotide e FADH2 is the Flavin adenine nucleotide, both of them are high energy electron carriers. They are reponsible for transporting electrons generated in Glycolises and Krebs Cycle to the Electron Transport Chain, creating ATP.The difference between them is that a NADH molecule produces 3 ATP molecules while a FADH2 molecule produces 2 ATP molecules.
Pueraria Lobato is what type of species?A. A nonnative speciesB. A keystone speciesC. An indicator species
Pueraria Lobato, also known as kudzu, is a vine that occurs in the USA. This is an invasive species, so it is not from the U.S.. Therefore, it is a nonnative species.
The correct answer is A. A nonnative species
i don’t understand how to set up the model, could anyone help
Part 1. Photosynthesis is a means to transform light energy from the sun to stored chemical energy. This is done by converting CO2 that enters into the leaves of a plant with the addition of H2O to form sugar and O2. O2 is released as the by-product of photosynthesis. Sugar is where the chemical energy is stored.
This is the chemical equation of photosynthesis:
6CO2 + 6H2O → C6H12O6 + 6O2
Which of the following is the reason that DNA fingerprinting is unique and can be used as means to identify someone?The gel in electrophoresis causes the hormones present in the DNA to settle out in a pattern unique to each individual.The DNA Junk or random repeats in the DNA is unique to each person, creating bands that identify them.Different genes are switched on at different times, so no two people have the same DNA fingerprint.All of these choices is true0 000
DNA fingerprinting is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation. Conversely, if the two DNA profiles do not match, then the evidence cannot have come from the suspect. DNA fingerprinting is also used to establish paternity.
Answer: The DNA Junk or random repeats in the DNA is unique to each person, creating bands that identify them.