Answer: Options are not given, here are the options.
a.Thylakoid membranes become more permeable to ions
b.The chlorophyll breaks down
c.The peripheral proteins lose their ability to bind to the transmembrane proteins
d.Water cannot bind to PSII to form oxygen
The correct option is C.
The peripheral proteins lose their ability to bind to the transmembrane proteins.
Explanation:
In photosystem 11, it is the center where light is converted to moving electrons. When the chlorophyll molecule absorb light, the electrons gain energy.
Increase temperature affects the activity of photosystem 11 because the peripheral protein lose their ability to bind to the transmembrane protein which is as a result of high temperature affecting the surface of ionic interactions which is for binding to transmembrane protein.
1.
Chose the best answer
2 Pts
1. If a pea plant has a recessive allele for green peas, it will produce
A
B
A green peas if it also has a dominant allele for yellow peas.
B. both green peas and yellow peas if it also has a dominant allele for yellow peas.
C. green peas if it does not also have a dominant allele for yellow peas.
D. yellow peas if it does not also have a dominant allele for green peas.
Answer:
The anwser is B
what type of fruits is okro
Answer:
Okro is also known as Lady - Fingers
An organism has the following genotype: AABb. What type of gametes can be produced, and in what proportions ?
Answer:
AB Ab AB Ab
AB 50 Ab 50
Explanation:
The organism can produce TWO types of gametes: AB and Ab. Supposing these genes are unlinked, the proportion of gametes will be 1/2 (50 percent of each gamete).
Meiosis is a reductional cell division where the resulting daughter cells (gametes) where chromosome number is divided into half, thereby producing haploid gametes in a diploid individual.The law of segregation (also called Mendel's First Law) indicates that during meiosis, alleles separate.In consequence, after meiosis, each gamete receives only one allele for a given trait.In conclusion, the organism can produce TWO types of gametes: AB and Ab. Supposing these genes are unlinked, the proportion of gametes will be 1/2 (50 percent of each gamete).
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The four main types of macromolecules found in organisms are
Answer:
carbohydrates, lipids, proteins, and nucleic acids
Explanation:
The cell responsible for secreting the matrix of cartilage is the:_______.
Answer:
Osteoblast
Explanation:
It is Osteoblast because Osteoblast is a cell tgat come from the bone marrow and for new bones called osteoid and have only one nucleus, it produce and secrete the organic components and inorganic components of bone or cartilage extracellular matrix. It produce new bones which is made from collagen and some proteins.
A sugarcane plant with yellow pollen and wavy leaves is crossed with a plant with yellow pollen and smooth leaves. Seed are collected and germinated. The following results are obtained in the progeny:
153 yellow pollen, wavy leaves
145 yellow pollen, smooth leaves
48 white pollen, wavy leaves
51 white pollen, smooth leaves
a. For each locus (trait): Assign appropriate symbols for the alleles of the genes, indicate the dominance interaction between the two alleles, and give all possible genotypes and their associated phenotypes
b. Give the genotypes of the parents of this cross.
c. Give the expected genotypic and phenotypic ratios of the progeny of this cross.
Answer:
a.
i) Y and y represent Yellow and white alleles for the pollen color gene; where Y (yellow) is dominant over y (white).
ii) W and w represent wavy and smooth alleles respectively for the leaf texture gene. W (wavy) is dominant over w (smooth).
YYWW, YyWW, YyWw, YYWw- yellow, wavy phenotype
YYww, Yyww- yellow, smooth phenotype
yyWW, yyWw- white, wavy phenotype
yyww- white, smooth phenotype
b) yellow pollen and wavy leaves (YyWw) × yellow pollen and smooth leaves (Yyww)
c) Expected genotypic and phenotypic ratio of progeny: 3:3:1:1
Explanation:
This question involves two distinct genes; one coding for pollen color and the other for leaf texture. Let Y and y represent Yellow and white alleles respectively for the pollen color gene; where Y (yellow) is dominant over y (white) while W and w represent wavy and smooth alleles respectively for the leaf texture gene; W allele (wavy) is dominant over w allele (smooth).
Next, we convert the progeny number to phenotypic ratio by dividing each number by the smallest number (48)
yellow pollen, wavy leaves= 153/48 =3.18
yellow pollen, smooth leaves= 145/48= 3.02
white pollen, wavy leaves= 48/48= 1
white pollen, smooth leaves= 51/48= 1.06
Approximately, the phenotypic ratio of the progeny is 3:3:1:1
According to the question, a parent with with yellow pollen and wavy leaves will have genotype YyWw because white pollen (w) and smooth leaf (s) was produced in the progeny. Also, the other parent with yellow pollen and smooth leaves will have genotype: Yyww. In a cross between these two parents i.e. YyWw × Yyww, the following gametes will be produced:
YyWw- YW, Yw, yW, yw
Yyww- Yw, Yw, yw, yw
Using these gametes in a punnet square (see attachment), the following 16 offsprings will be produced in a ratio 3:3:1:1
yellow pollen, wavy leaves (Y_W_) 6
yellow pollen, smooth leaves (Y_ww) 6
white pollen, wavy leaves (yyW_) 2
white pollen, smooth leaves (yyww) 2
Birds cause a lot of damage to airplanes every year to study this problem the US Air Force infinity chicken canon Air Force scientist use the Canon shoot chicken bodies airplanes and control test then analyze the damage the chicken bodies cost evaluate this model in what way do you think it is helpful what are some of the limitations
Answer:
the what hey o
Explanation:
yes
If each new cell made after mitosis is _______ to the original "mother" cell. This means that skin cells can replace dead, dying, or damaged skin cells when needed.
My answer to the question is copied or replicated.,and then divided to the chromosome
PLEASE HELP FAST I WILL GIVE YOU A LOT OF POINTS Advancements in _________ help us change the way we think about existing scientific knowledge - technology - logic PLEASE HELP FAST ILL DO ANYTHINGGGGG
Advancements in technology help us change the way we think about existing scientific knowledge.
What is Technology?Technology, also referred to as the transformation and manipulation of the human environment, is the application of scientific knowledge to the practical goals of human life.
A number of articles cover the topic of technology. See history of technology; hand tool for general treatment.
History of agriculture, agricultural economics, beekeeping, beer, cereal farming, coffee, commercial fishing, dairy farming, distilled spirits, food preservation, animal husbandry, poultry farming, and soft drink manufacture for treatment of the production of food.
Therefore, Advancements in technology help us change the way we think about existing scientific knowledge.
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What is the origin of the energy that animals acquire by eating plants or other animals?A. Carbohydrates.B. Fats.C. Heat.D. Sugars.E. Sunlight.
Answer:
the correct answer✅✔☑ is
E. Sunlight☀
PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!
Answer:
Fault H, then layer G and F
Explanation:
The fault H first because the layers are deformed , which means the rocks accumulated on the fault under pressure.
Which of these molecules would you least expect to easily dissolve in water?a. sucrose b. potassium chloride c. acetone d. 2-methylpropane e. acetic acid
Answer:
D. 2-methylpropane
Explanation:
The ability of a substance to dissolve in water is dependent on whether the molecules of the substance are polar or non-polar . Since water is a polar molecule, polar molecules readily dissolve in it in accordance with the principle of "like dissolves like".
Sucrose is a polar molecule since like water, it has bonds between electronegative oxygen, and electropositive hydrogen. Thus, it dissolves in water.
Potassium chloride is an ionic and hence polar molecule. It readily dissolves in water.
Acetone is a polar molecule due to the polar nature of the carbon-oxygen double bond in the molecules. Thus, it easily dissolves in water.
2-methylpropane is a non-polar molecule. The C-H bonds present in its molecules are non-polar, so it does not readily dissolve in water.
Acetic acid is a polar molecule due to carbon-hydrogen bond as well as oxygen-hydrogen bond. It readily dissolves in water and forms hydrogen bonds with water molecules.
Why is it almost impossible to commit a crime without leaving behind evidence?
Answer: most of the time, fear and panic
Explanation:
techniques to find the culprit in a crime have improved,
yes its almost impossible to not commit a crime without leaving evidence, the people (police,etc) can use techniques to find your fingerprint, witnesses, footprint, and many other substances that belongs to the culprit. Witnesses can be a big help too. So yes its 'almost' impossible
The paravertebral ganglia are present in both the parasympathetic nervous system and sympathetic nervous system.A. TrueB. False
Answer:
it B. false
Explanation:
How the corona virus pandemic impact Indian agriculture
Answer:
Caterpillars are in a semi-hibernation phase
Explanation:
During winter caterpillars dehydrate themselves and generate a cryoprotectant that flows in their circulatory system (i.e., hemolymph) to avoid water freezing, thus preventing tissue damage. For example, Pyrrharctia Isabella (Lepidoptera, Erebidae), a caterpillar common in North America, can survive 1 week at −20°C. This condition is known as 'semi-hibernation' and it ends when the first temperate days arrive.
Thursday/Friday:
(Read and write/answer question in yellow)
A student wants to test if giving dogs a toy to play
with makes their tail wag more. He gives dog toys to
one group, while another group of dogs does not
get any toys. He counts the number of times each
dog wags their tail.
What is the Independent Variable?(tested) The
Dependent Variable?(measured)
Yes
Answer:
I/V = giving the dogs toys
D/V = how many times the dogs wag their tails
Explanation:
dependent variable DEPENDS on the independent variable. If he gave a dog a toy and their tail wagged, he made that happen by giving the dog a toy, which is the independent variable because he made that happen, by changing the circumstance aka the independent variable aka the toys!
which best explains mantle convection
Answer:
não sei responder sua pergunta
The correctly sequenced sections of the small intestine are: ____________, _____________, ____________.
Answer:
The correct answer is: duodenum, jejunum, ileum.
Explanation:
The small intestine is the part of the digestive tube that is mostly responsible for the absorption of nutrients that we incorporate through our diet, although part of the digestion also occurs in this segment (specifically in the duodenum).
The first segment, the duodenum, is the shortest of the three (about 25 centimeters in length) and is the one that is connected to the stomach. The duodenum receives the bile (from the liver), the pancreatic juice (from the pancreas), and the gastric chyme (from the stomach), to digest proteins and fat.
The second segment, called the jejunum, is about 2,5 meters long and its main task is to absorb the products of digestion, such as amino acids, carbohydrates, and fatty acids. This is how the nutrients reach our bloodstream and then the tissues where they are needed.
The last segment, the ileum, is the longest (about 3 meters long) and it's responsible for the absorption of vitamin B12 and bile acids. The ileum then connects to the large intestine, where water will be absorbed.
The FRAP technique occurs in a series of steps. Select every statement that correctly describes a step in the FRAP procedure.A. The speed of repair of the fluorescent marker is measured.B. All fluorescent molecules in the cell are irreversibly bleached.C. The relative mobility of the fluorescently labeled molecule is measured.D. The molecule of interest is fluorescently labeled.
Answer:
The answer is "Option C and Option D"
Explanation:
FRAP is used only for protein motion management. It travels throughout two dimensions in the plasma membrane. It includes many available-moving or immobile proteins. This technology uses globally marked fluorescent bleaching products, and also includes the fluorescent proteins, but one particular area is washed.
Its protein arc changes are detected by fluorescence reappearance. The fluorescence reappears at a certain stage if the protein can move freely. When the proteins aren't able to move quickly, fluorescent dyes are recovered after a little period, and fluorescence would not resurface during that point if the enzyme is immobile.
do all cell types, such as skin cells, fat cells, muscle cells and bone cells, have the same cell cycle lengths (as in the time they take to grow and divide)?
Answer:
No
Explanation:
They have different division rates as some are more important for the body's health than others.
Ex) Skin cells repair very fast as they are on the exterior of the body and are constantly damaged, needing to be repaired quickly to prevent infection.
The trade-off that occurs when the stomata are open is best described as:________A. when the stomata are open, oxygen can get in but CO2 can get out.B. when the stomata are open, oxygen can get out but CO2 can get in.C. when the stomata are open, oxygen can get out but water can get in.D. when the stomata are open, CO2 can get in but water can get out
Answer:
Explanation:
:
D. when the stomata are open, CO2 can get in but water can get out
Explanation:
Stomata are openings in leaf epidermis that are small they permit the entry of carbon dioxide and also allow the exit of water vapour.
Opening and closing of stomata is regulated according to physiological needs of the leaf.
Carbondioxide that is diffuses into the leave is used for photosynthesis.
Plant regulates water loss from the stomata. during the hot and cold weather water is conserves to maintain a cool environment in plant this is done by closing of stomata.
Minos, king of Crete, had made war upon Athens. He had come with a great fleet of ships and an army, and had burned the merchant vessels in the harbor, and had overrun all the country and the coast even to Megara, which lies to the west. He had laid waste the fields and gardens round about Athens, had pitched his camp close to the walls, and had sent word to the Athenian rulers that on the morrow he would march into their city with fire and sword and would slay all their young men and would pull down all their houses, even to the Temple of Athena, which stood on the great hill above the town. Then Aegeus, the king of Athens, with the twelve elders who were his helpers, went out to see King Minos and to treat with him.
–“The Cruel Tribute,”
James Baldwin
Which detail from the passage creates the most suspense for the reader?
“Minos, king of Crete, had made war upon Athens.”
“He had laid waste the fields and gardens round about Athens.”
“Then Aegeus, the king of Athens . . . went out to see King Minos and to treat with him.”
Answer:
“Then Aegeus, the king of Athens . . . went out to see King Minos and to treat with him.”
Explanation:
just took the test
It is likely that the detail that creates the most suspense for the reader is "He [Minos] king of Crete, had made war upon Athens.”
What was the confrontation between Minos and Athenian ruler?
It is likely that the detail that creates the most suspense for the reader is "He [Minos] had sent word to the Athenian rulers that on the morrow he would march into their city with fire and sword and would slay all their young men and would pull down all their houses, even to the Temple of Athena, which stood on the great hill above the town."
This detail implies that the confrontation between Minos and the Athenian rulers will be violent and destructive, and the reader may be left wondering what will happen as a result. Additionally, the fact that Minos has already laid waste to the surrounding area and burned the merchant vessels in the harbor suggests that he is a formidable and potentially dangerous opponent, further increasing the suspense for the reader.
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Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model?
Answer:
Ball-and-stick models show the bonds between atoms, but not the relative sizes of atoms. Space-filling models show the relative sizes of atoms, but not the bonds between atoms.
Answer:
D
Explanation:
edge
What happened in the 1980’s with environmental laws and regulations because some people claimed that the laws and regulations were hurting the economy?
Environment laws were stricter in the 1980s. Thus, people contested them saying that this will increase inflation.
What are environmental laws?Several environmental laws have been adopted over the last five decades in the United States. These laws have resulted in dramatic effects on the air and water quality of the nation. These have also reduced the exposure of people to toxic chemicals.
Various generations of the American public have benefitted from the legacy of leadership that has taken environmental issues as their primary priority. The benefits achieved by these laws and efforts have been controversial, to say the least.
Some of these laws have resulted in the utilization of huge amounts of public funds. Because of the misconception of a large number of the public that environmental issues are not serious or real, people believe that spending huge sums of money on environmental issues is a waste of a form of corruption.
Therefore, because the environmental laws were stricter in the 1980s, people contested them saying that this will increase inflation.
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What characteristics of life distinguishes a fire and a flowering plant?
What has the study of fossils allowed scientists to do?
A. Describe past environments and the history of life.
B. Study present ocean temperatures at different depths.
C. Analyze the chemical compositions of sedimentary rocks and minerals.
D. Predict which organisms will become extinct in the future
Answer:
A.
Explanation:
I THINK it is A, because fossils are decomposed animal remains, right? So what I'm saying is that the answer is A, because the structure of the fossil could help tell how the creature (or plant) adapted in order to survive in its surroundings.
The diagram shows the general structure of a lipid, which consists of two main parts. A carboxyl group in a circle and a chain. Which part is circled? alcohol group fatty acid carboxyl group unsaturated lipid
Answer:
Carboxyl Group
Explanation:
Took test and got it right.
Answer:
Carboxyl Group
Explanation:
Which of the following was NOT a change in the ecosystem as a result of the wolves killing coyotes?
The beaver population increased
The rabbit population increased
The weasel
The mice
The snake
Answer:
The beaver population increased
Day 2
Jordan conducted an experiment to determine if fruit flies would be more attracted to apples or oranges. She put
half an apple and half an orange in a sealed container with 50 fruit flies. After 30 minutes she counted the fruit flies
near the apple and orange. She discovered that 43 fruit flies were near the orange and 7 fruit flies were near the
apple. What kind of variable is the type of fruit that was used in the experiment?
A. Independent variable
B. Constant variable
C. Dependent variable
D. Reliant Variable
Answer:B
Explanation:The scientist changed the variable
I need help ............
Saturated Fats:
bad fats
solid at room temp
butter, red meat
Single bonds
Unsaturated Fats:
good fats
double bonds
oils and nuts
liquid at room temp