Find the quotient. Enter your answer in lowest terms in the box below as a fraction, using the slash mark ( / ) for the fraction bar.
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microscopic drifting photosynthetic microbes in aquatic environments (fresh, estuarine, and marine) are collectively called: oceanography
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The statement about microscopic drifting photosynthetic microbes in aquatic environments (fresh, estuarine, and marine) is collectively called oceanography is false, because the microscopic drifting photosynthetic microbes in aquatic environments are collectively called phytoplankton.
What is phytoplankton?Derived from the Greek words phyto (plаnt) аnd plаnkton (mаde to wаnder or drift), phytoplаnkton аre microscopic orgаnisms thаt live in wаtery environments, both sаlty аnd fresh. Some phytoplаnkton аre bаcteriа, some аre protists, аnd most аre single-celled plаnts. Аmong the common kinds аre cyаnobаcteriа, silicа-encаsed diаtoms, dinoflаgellаtes, green аlgаe, аnd chаlk-coаted coccolithophores.
Like lаnd plаnts, phytoplаnkton hаve chlorophyll to cаpture sunlight, аnd they use photosynthesis to turn it into chemicаl energy. They consume cаrbon dioxide, аnd releаse oxygen. Аll phytoplаnkton photosynthesize, but some get аdditionаl energy by consuming other orgаnisms.
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Species of sea turtles consume cnidarians, including the Portuguese Man O'War, as they are immuned from the effects of the nematocysts. However, these turtles die or are seriously injured from a form of pollution. Explain.
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Sea turtles are able to consume cnidarians like the Portuguese Man O'War because they have adapted to be immune to the effects of the nematocysts.
Sea turtles are often negatively impacted by pollution, which can lead to their death or serious injury. Pollution in the form of plastic waste, oil spills, and chemical contamination can all have harmful effects on sea turtles. For example, turtles may mistake plastic debris for food, leading to ingestion and potential intestinal blockages. Additionally, oil spills can coat the turtles' skin and feathers, interfering with their ability to regulate their body temperature and leading to hypothermia.
Chemical contamination can also accumulate in the turtles' tissues, leading to long-term health effects such as weakened immune systems and reproductive issues. These pollutants not only harm individual turtles but can also have devastating effects on entire populations and ecosystems.
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Daughter cells produced by mitosis are genetically identical to the parent cell.
Why isn't this true of the daughter cells produced by meiosis?
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Daughter cells produced by meiosis are not genetically identical to the parent cell. because they undergo some process such as crossing over, and alignment of homologous chromosomes.
When agitating genetics and genomics, the term" crossing over" is used to describe the exchange of DNA between paired homologous chromosomes( one from each parent) that takes place during the conformation of egg and sperm cells( meiosis). The gametes( egg or sperm) created as a result of this procedure contain new allele combinations, icing inheritable variety in any get. When identical chromosomes are paired together during meiosis, a natural event called crossing over takes place. A chromosome's structure can change if two of its chromosomes, one from the mama and one from the father, line up. Indeed when the identical genes are present on the two chromosomes, they could be expressed in colorful ways.
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from which structure are glucose and amino acids made
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Glucose and amino acids are made from structures known as ribosomes.
Ribosomes are cellular organelles responsible for protein synthesis. It is composed of RNA and protein and is found in the cytoplasm of cells. Ribosomes read the genetic code from messenger RNA (mRNA) and use this information to assemble amino acids into polypeptide chains, which in turn form proteins.
Glucose is produced through the process of photosynthesis in plants or through the breakdown of carbohydrates in animals. The natural form (D-glucose) is also called dextrose, especially in the food industry. Glucose (C6H12O6, molecular weight 180.18) is a hexose—a monosaccharide containing six carbon atoms markdown of carbohydrates in animals.
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PLEASE HURRY, I'LL GIVE YOU 25 POINTS!
A scientist found a correlation between honeybees and a certain species of flowering plant. When the bee population increases, so does the flowering plant population. And when the flowering plant population decreases so does the bee population. To find out whether each change in population CAUSED the other population to change, what could the scientist do?
A. Investigate the populations of two other species of plants and insects to see if they have a similar correlation.
B. Investigate the populations of the honeybee and plant species in areas where the other species is not present.
C. Have several other scientists examine the data to see if they see the same correlation.
D. Repeat the observations to see if the new data show the same correlation.
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To find out if the change in one population is due to the other population, the scientist can: B. investigate the populations of the honeybee and plant species in areas where the other species is not present.
By doing so, the scientist can see if similar relationships exist between other plant and insect species too. And if that is the case then prove his hypothesis null. If no such relationship is observed between bees and other flowering plant species or the same species of flowering plant and some other insect, then it might confirm his alternative hypothesis. Moreover, he can repeat the observations after doing this to see if the new data also reports the same findings and correlation.Hence, the correct answer is option B.
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When homologous chromosomes fail to separate during meiosis, this is termed.
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Answer:
Nondisjunction
Explanation:
Nondisjunction is the failure of homologous chromosomes (chromatids) to separate properly during meiotic cell division.
name 3 body systems that need to interact with or depend on the respiratory system?
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The structures of the respiratory system interact with structures of the skeletal, circulatory, and muscular systems to help you smell, speak, and move oxygen into your bloodstream and waste out of it.
What do you already know about heredity?
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Answer:
Genes can be expressed from parents to offspring.
Explanation:
This is an open-ended question, one that you can only answer. I believe there is no right/wrong answer as long as you put something down.
Explain why it is important for progesterone to be released after ovulation. [3]
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Answer:
Progesterone is the hormone released after ovulation. It is required to prepare the uterus to receive an embryo, should conception have occurred and having adequate levels after ovulation is essential in this process.
Explanation:
what is the fate of glucose 6-phosphate that enters the pentose phosphate pathway in the flight muscles of hummingbirds?
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The right response is that ribose-5-phosphate and carbon dioxide are created from glucose-6-phosphate.
The glucose-6-phosphate is converted into ribose-5-phosphate, which is the five-carbon sugar molecule and carbon dioxide, after entering the pentose phosphate pathway. Following the entry into the route, glucose-6-phosphate is initially converted into 6-phosphogluconolactone by the enzyme glucose-6-phosphate dehydrogenase.
The generation of NADPH also occurs during the conversion of glucose-6-phosphate to the lactone molecule. By the action of the enzyme lactonase, 6-phosphogluconate is created from the 6-phosphogluconolactone that is generated. This is further decarboxylated and hydrolyzed into carbon dioxide and ribose-5-phosphate by the action of the enzyme 6-phosphogluconate dehydrogenase. The hummingbird's flight muscles convert glucose-6-phosphate in order to produce NADPH and protect against oxidative stress.
The complete question is:-
What is the fate of glucose 6-phosphate that enters the pentose phosphate pathway in the flight muscles of hummingbirds? Glucose 6-phosphate is converted to carbon dioxide and ribose 5-phosphate. Glucose 6-phosphate is converted to ribose 5-phosphate. Glucose 6-phosphate is converted to carbon dioxide and pyruvate. Glucose 6-phosphate is converted to carbon dioxide.
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Each strand of s DNA molecule contains nitrogenous bases that pair with other nitrogenous bases in very specific ways. A diagram of a section of DNA is shown. DNDA Strand 3' _|___|___|___|___|___|___|___|___|___|___|___|___|_ 5' T G T A G C T G C G C G T Which DNA strand is complementary to the one shown above?
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Answer:
The complementary DNA strand, according to the nucleotide sequence of the other strand is 3' - A C A T C G A C G C G C A - 5'
Explanation:
Each strand of DNA is made up of specific sequences of the four nucleotides present in this molecule, adenine, thymine, cytosine and guanine.
In double-stranded DNA, one strand complements the other —according to the complementarity of nitrogenous bases— where a purine, adenine and guanine, are joined with a pyrimidine, thymine and cytosine, respectively:
Adenine is complemented with Thymine. Guanine is complemented with Cytosine.According to this, the complementarity of the strands is:
5' - T G T A G C T G C G C G T - 3'
3' - A C A T C G A C G C G C A - 5'
The DNA strands remain linked by hydrogen bonds between their nitrogenous bases, until such time as they must be separated for transcription.
How many reactants are in the fermentation chemical equation?
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1.) Pyruvate
2.) NADH
3.) A proton
The products are a lactate and NAD+.
The process of fermentation results in the reduction of pyruvate to form lactate acid and the oxidation of NADH to form NAD+
The inner voice of someone with high self-esteem is called _____.
positive self-talk
negative self-talk
internal revelation
inner dialog
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Answer:
The inner voice of someone with high self-esteem is called __positive self-talk____.
NEED ANSWER ASAP!!!
15 POINTS!!!!
A student investigating how experimental conditions affect plant growth grows two identical plants, one indoors and one outdoors. Three month later the plant grown indoors was 6 cm tall, and the plant grown outdoors was 18cm tall.
Part A: Identity one variable, other than light, that the student should have controlled in this experiment.
Part B: Explain why variables should be controlled in experiments
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Answer: part a: space to grow
Part b: because it gives a more accurate/a fair test
Explanation:
write a conversation between a proton, neutron, and electron. Make sure what they say shows their characteristics and who they are.
help me solve it please
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Answer:
Proton:We should listen to the teache,stop talking neutron.
Neutron:Oh shush it Proton you're always so positive I can't help it,I'm just to negative and I don't like being positive.
Electron:Guys stop fighting please.
Explanation:
A Proton is a positive atom
A neutron us a negative atom
A electron is just something that isn't really that important
Putting your money in separate envelopes for each category of your budget is NOT a wise budget method. A. True B. False
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Answer:
False
Explanation:
It's good method so you don't use your important money or use all of your money .
Answer:
false
Explanation:
just because
Under certain external conditions, a person will perspire a great deal. For which internal condition does this response primarily provide homeostasis?
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Answer:
Abnormally high temperature
Explanation:
Sweating or perspiration is a homeostatic response to abnormally high body temperature. Evaporation of the sweat causes cooling of the body and this causes the temperature of the body to return back to normal.
When the setpoint temperature of the body is breached by being too high, the negative feedback mechanism kicks-in, and the sweat glands of the skin becomes activated. The body sweats, and the evaporation of the sweat from the surface of the skin causes cooling and a return back to the setpoint.
Which of these are part of the respiratory system? (Select all that apply.)
larynx
sinuses
heart
lungs
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Answer:
larynx, sinuses, lungs
Explanation:
Answer:
larynx, sinuses, lungs
I know this is old, but just in case anyone else needs it
Which of the following helps determine past climate on the basis of tree rings?
O oxygen isotope analysis
O pollen analysis
O dendrochronology
O 18O/16O ratio
O all of the above
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If the year dates of the tree growth rings can be identified, the scientific discipline of dendrochronology can indeed be utilised to establish when a tree was cut down or died naturally. Seasonal climate shifts affect a tree's annual growth, which varies throughout the year.
Dendrochronology's goal is what?The study known as dendrochronology, sometimes known as tree-ring dating, uses the annual growth rings that trees create to determine dates on a calendar (Nash 2000). This precise and sophisticated dating technique has been employed by archaeologists for nearly a century.
What dendrochronology principles are there?According to this theory, there must have been physical and biological mechanisms in place in the past that connect present environmental processes with the patterns of tree development that exist today. James Hutton first said this in 1785, and it is now often understood to mean "the current is the keys to the past."
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Distinguish between different types of mutations
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How is energy related to the change of state represented by the model?
A. Atoms gain energy as a gas changes in a solid.
B. Atoms gain energy as a gas changes in a liquid.
C. Atoms lose energy as a gas changes in a solid.
D. Atoms lose energy as a gas changes in a liquid.
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Answer:
C.
Explanation:
Atoms lose energy as a gas changes in a solid
hope it helps!
What do all living organisms have in common?
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Answer:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.
Explanation:
glycolysis yields pyruvic acid; the pyruvic acid is then decarboxylated in mitochondria before entering the tca cycle. are these two statements true or false?
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Both statements are true. Glycolysis is a process that breaks down glucose into pyruvic acid, which is then transported into the mitochondria.
Once inside the mitochondria, pyruvic acid undergoes a process called decarboxylation, which removes a carbon dioxide molecule and leaves behind an acetyl group. The acetyl group then enters the TCA cycle, also known as the Krebs cycle, where it is further broken down to release energy in the form of ATP. This process is crucial for cellular respiration, as it provides the cell with the necessary energy to carry out its functions. Overall, glycolysis, decarboxylation, and the TCA cycle are all interconnected and necessary steps in the process of cellular respiration.
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he current geological era is the ________. group of answer choices cambrian cenozoic paleozoic
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The current geological era is the Cenozoic era.
A geological era is a long period of time in which Earth's geological, biological, and climatic features evolve. The geologic timescale is divided into eons, eras, periods, epochs, and ages, with the Cenozoic period being the most recent era.
The Cenozoic Era spans a period of about 66 million years and began after the extinction of the dinosaurs. It is divided into three periods: the Paleogene Period, the Neogene Period, and the Quaternary Period. We are currently in the Quaternary Period of the Cenozoic Era.
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Plants store excess sugar as ___, known as cellulose?
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Answer: True
Explanation:
which of the following is not part of the molecular level?
water
CO2
carbon
table salt
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Answer:
Table salt is not part of the molecular level
Explanation:
It's just an opinion of mine ☺️
________are particles in the nucleus of an atom that have no charge.
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Answer:
Neutrons
Explanation:
That would be neutron, hope this helps ^^
Rank the order in which the earliest organisms evolved.
Green Algae, Archea and Bacteria, Shelled Invertebrates, Protists, Fungi and shell-less invertabreas.
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The order in which the earliest organisms evolved -
Archaea and bacteriaProtistsFungi and shell-less invertebratesGreen algaeShelled InvertebratesOn the earth, various kinds of organisms evolve at different geological times, and on their evolution, they consider the oldest or youngest organisms:
Archaebacteria and bacteria was the oldest living organism on earth was, they lacked a membrane-bound nucleus and cell.The protists evolved after the bacteria, they were multicellular prokaryotic organisms.Fungi and the shell-less invertebrate, much-developed organisms in terms of body organization and structure. These have membrane-bound, well-defined cell membranes, and a nucleus. They even had a tissue level of organization.Green algae evolve after protists which belong to the division Thallophyta of the plant kingdom. These are photosynthetic as they have chlorophyll in the cell.Shelled Invertebrates are the youngest organisms that evolved recently among these.Thus, the correct order is -
Archaea and bacteriaProtistsFungi and shell-less invertebratesGreen algaeShelled InvertebratesLearn more about geological time scale:
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Which of the following molecules are products of glycolysis? Select all that apply.
2 ADP molecules
2 NADH molecules
1 pyruvate molecule
4 ATP molecules
4 ADP molecules
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Glycolysis produces 2 NADH, 2 ATP, and 2 Pyruvate molecules.
Glycolysis is the process that is described as an oxidative pathway that typically breaks down the monosaccharides including galactose and glucose molecules and is further involved in the transformation of the energy released into chemical energy which can be used by cells. The products obtained from the glycolysis are:
2 ATP which is generated via substrate-level phosphorylation2 NADH as a result of reaction named redox reactions2 pyruvate moleculesGlycolysis produces 2 ATP, 2 NADH, and 2 pyruvate molecules: Glycolysis, or the aerobic catabolic breakdown of glucose, produces energy in the form of ATP, NADH, and pyruvate, which itself enters the citric acid cycle to produce more energy.
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According to decay theory, why does forgetting occur? Select one: a. because of the deterioration of the nervous system with increasing age.
b. because of competition from other memories
c. because of ineffective encoding of information.
d. because of the passage of time.
Which of the following is reflected in Sigmund Freud's concept of repression? Select one: a. ineffective encoding b. interference
c. decay d. retrieval failure
Answers
According to decay theory, forgetting occurs because of the passage of time.
Sigmund Freud's concept of repression reflects the idea of retrieval failure.
Forgetting is a common phenomenon in human memory, and decay theory suggests that it happens due to the natural fading or weakening of memories over time. When information is encoded into our memory, it creates neural connections and pathways in the brain. However, these connections can gradually weaken or decay if they are not reinforced or accessed frequently.
The main idea behind decay theory is that memories that are not regularly reinforced or retrieved may gradually decay, becoming more difficult to retrieve accurately. This decay occurs at the neural level, as the connections between neurons weaken over time, making the memory traces less effective in retrieving the information. As a result, memories that are not actively maintained through rehearsal or retrieval can become less accessible and eventually fade away.
Repression is a concept introduced by Sigmund Freud in psychoanalytic theory, and it refers to the unconscious blocking of traumatic or distressing memories from conscious awareness. According to Freud, individuals may repress memories that are too threatening or painful to consciously remember, pushing them into the unconscious mind.
Repression aligns with the concept of retrieval failure because the memories that have been repressed are not readily accessible to conscious retrieval. While the memories may still exist in the unconscious, they are effectively blocked or "forgotten" from the conscious awareness.
When attempts are made to retrieve repressed memories, they may remain inaccessible due to the psychological defense mechanism of repression. These memories are effectively "hidden" from conscious recall, making retrieval difficult or even impossible without specialized therapeutic techniques.
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