When new dirt is created from organic and inorganic materials, it is called
O A) erosion
B) weather
C) composting
OD) conservation
Answer:
the answer is C) composition
PLEASE HELP ME AS QUICK AS POSSIBLE
Which of the given scenarios is a direct effect of the absence of carbon dioxide during photosynthesis? The electron transport chain of the light‑dependent reactions would be unable to synthesize NADPH. The regeneration phase of the Calvin cycle would be unable to replenish the sugar RuBP. The carbon fixation stage of the Calvin cycle would be unable to synthesize the sugar 3‑PGA. The photosystem of the light‑dependent reactions would be unable to capture the energy from photons.
Answer:
The electron transport chain of the light‑dependent reactions would be unable to synthesize NADPH. and The photosystem of the light‑dependent reactions would be unable to capture the energy from photons.
Explanation:
Hope this helps :)
How does latitude affect a climate zone? (1 point) Group of answer choices Climate zones at low latitudes are hotter because they receive more direct sunlight. Climate zones at high latitudes are cooler because they are closer to the equator. Climate zones at high latitudes receive a lot of precipitation because they are farther from the equator. Climate zones at low latitudes receive little precipitation because they are closer to the ocean.
Climate zones at low latitudes are hotter because they receive more direct sunlight. Therefore, the correct option is option A.
Due to the Earth's tilt and the orbital geometry of its planet, climate zones at low latitudes are hotter because they receive more direct sunlight. The tilt of the Earth's axis in relation to its orbit around the sun is roughly 23.5 degrees. At various points on the Earth's surface during the year, this tilt produces fluctuations in the amount of sunlight that is received. The angle at which sunlight strikes the surface is almost perpendicular in low latitudes, which are nearer the equator. As a result, there is more direct and concentrated heat since the sunshine is concentrated over a smaller area.
Therefore, the correct option is option A.
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Consider two kinesin motor proteins at the mitotic spindle midzone: kinesin A is a tetrameric motor that walks toward the plus end of both microtubules to which it is attached via its motor domains; kinesin B, on the other hand, walks toward the minus end of one microtubule while it is attached to another microtubule via its tail domain.How do these motors affect the length of the spindle?
A. They both work to shorten the spindle.
B. Kinesin-5 works to shorten the spindle whereas kinesin-14 works to lengthen it.
C. Kinesin-5 works to lengthen the spindle whereas kinesin-14 works to shorten it.
D. They both work to lengthen the spindle.
Answer:
C. Kinesin-5 (kinesin A) works to lengthen the spindle whereas kinesin-14 (kinesin B) works to shorten it.
Explanation:
Kinesins are microtubule-based motors localized in the mitotic spindle in order to ensure the correct segregation of the chromosomes during cellular division. These proteins are classified regarding their sequences at the core motor domains which determine their motility. Kinesins can move along microtubules in opposite directions, walking toward the plus end (i.e., the end that grows more rapidly) or moving toward the minus end. Recently, it has been shown that opposite forces between kinesin-5 (plus-end-directed) and kinesin-14 (minus-end-directed) microtubule-based motors regulate the length of the spindle during cellular division. Kinesin-14 is a minus-end-directed motor protein that walks along microtubules from plus- to minus-end, while kinesin-5 is a plus-end-directed motor protein that walks along microtubules from minus- to plus-end, and thereby they work to shorten and lengthen the mitotic spindle, respectively.
Which event is an example of vegetation reproduction in plants?
A. Mosses from spores in capsules.
B. Kalanchoe plants produce plantlets on their leaves.
C. Pine trees produce seeds in cones.
D. Sunflower plants produce seeds in their flowers.
The event that is an example of vegetation reproduction in plants is Kalanchoe plants produce plantlets on their leaves, which means letter B.
What makes a seedling different from a plant?The seedling is a small plant resulting from the early development of the embryo. A seedling is considered when most of the compounds necessary for its development still come from the cotyledons, that is, when more than 50% of the cotyledons are still present and functional.
In asexual reproduction, the plant does not need another gamete to reproduce. For this type of reproduction, parts of the plant are removed to obtain new plants, which is known as a clone. This case occurs in Kalanchoe plants produce plantlets on their leaves.
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Mendel was a careful researcher who studied the inheritance of certain traits in garden peas. What are some of the research practices Mendel used? Choose all that apply.
A. He crossed true-breeding pea plants.
B. He allowed eggs to be fertilized only by self-pollination.
C. He analyzed his data mathematically.
D. He controlled variables by studying one or two traits at a time.
streptococcus diacetilactis hipotesis
Answer:
What do u need help with?.
Explanation:
Answer: its a bacteria
Explanation:
The table below contains information for five animals.
Class: ___________
Which animal is the least related to the others? A. Aardwolf
B. Grey Wolf
C. Lion
D. Blue Whale
Answer:
Explanation:
Option D blue whale is the correct answer
Butterflies exposed to radiation leaking from a damaged nuclear power plant in Japan have been observed to have malformed legs and Tanner and wings.For future butterflies to have structural abnormalities and gene mutations what must be present in the affected butterflies
Answer:BODY CELLS
Explanation: dont delete its true
In system 1, glucose will move ___________ Sac 1 because of ___________.
a. out of; diffusion
b. in to; diffusion
c. out of; osmosis
d. in to; osmosis
Explanation:
The answer is c in my understanding
Sexual reproduction results in offspring that are *blank*
from both parents?
A. different
B. same
C. opposite
D. none of these
Answer:
I would put unique but since that's not a choice, probably different
Explanation:
Answer:
A. Different
Explanation:
In sexual reproduction, the offspring inherits traits from both parents. They are not an exact copy of either but have traits from both. Hope it helps :)
Name the stage (include the I or II in the name)
Explanation:
1. Prophase I
2.Interphase
3.Anaphase I
4.Anaphase
5.Telophase II
6.Prophase I
HELPp me plz is it A,b,c,d make sure you choose the rite one
Answer:
c ) cutting down all trees in a forest
Explanation:
cutting down trees is bad for the environment
Answer:
C. Cutting down all trees
Explanation:
What would you tell a classmate who claims that food is destroyed when you eat it?
Answer:
I would say "yes true", when you swolowing your food, your stomach is breaking down all of the pieces that you ate and taking apart all the nutrients that are in your burger or your hot dog or whatever you just ate.
Explanation:
Hope this helps
"Yes true," since your stomach is dissolving all of the food bits you ate and dissolving all of the nutrients in your hamburger, hot dog, or whatever you just ate.
How does food break down in the stomach?Peristalsis forces the food into your stomach after you have swallowed it. Stomach. Your stomach's lining contains glands that produce stomach acid and digestive enzymes.
These digestive liquids are mixed with the meal by the muscles in your stomach.
The meal is broken down into much smaller, digestible bits by the stomach muscles as they churn and combine it with digestive secretions that include acids and enzymes.
Therefore, the digestion that takes place in the stomach requires an acidic environment.
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A population of capybaras contains 104 individuals. Studying them you discover that they have two types of alleles for a certain gene. The frequency of the recessive allele (c) is 0.3 and we assume that this is an ideal population with simple dominance. a. Calculate the frequency of the dominant allele, C. b. Calculate the genotype frequencies in the next generation (F1) c. Calculate the phenotype frequencies of F1 d. Calculate the heterozygosity (H) e. Calculate the number of heterozygous individuals in the wild population
Answer:
a.
f(C) = p = 0.7b.
F(CC) = p² = 0.49 F(cc) = q² = 0.09 F(Cc) = 2pq = 0.42c.
F(C-) = 0.91F(cc) = 0.09d.
F(Cc) = 2pq = 0.42e.
43.68 individuals CcExplanation:
Due to technical problems, you will find the complete explanation in the attached files
2. Natural selection is an example of a mechanism of evolution. Does this mechanism produce a change
in individuals or populations? Explain.
Answer:yes
Explanation:natural selection does produce a change in individuals as well as populations. Explanation: Natural selection is a process through which mother nature screens for the organisms that are best adapted to survive in a habitat.
1. What salts do volcanoes add to seawater? How are these salts added
Answer:
Volcanic eruptions spew out a bunch of water vapor and carbon dioxide and other gasses like chlorine. The chlorine dissolves into the ocean and then combines with the sodium to get sodium chloride, or table salt.
Explanation:
hope it helps:)
THIS IS DUE TODAY!!! if someone knows how to do this please help!!
Answer:
I do not know this
Explanation:
i cant
State the function of centromere
Answer:
The primary function of the centromere is to provide the foundation for assembly of the kinetochore, which is a protein complex essential to proper chromosomal segregation during mitosis. In electron micrographs of mitotic chromosomes, kinetochores appear as platelike structures composed of several layers
The largest population an environment can support is its
A. symbiosis.
B.carrying capacity.
C.population.
D.limiting factor
Answer:
B. carrying capacity
Explanation
Carrying Capacity is the maximum number of individuals one species that a particular environment can support
The importance of the many valves found within the heart is that they
A.Help to increase blood pressure
B.Keep the blood flowing in the proper direction in the heart
C.Separate oxygenated from deoxygenated blood
D.Help decrease blood pressure
Which characteristic would you find in an advanced organism?
A acoelum organism
B protostome organism
C pseudocoelum organism
D deuterstome organism
Answer:
Deuterosome
Explanation:
This because deuterosome are organisms which posses both mouth and anus. The mouth is in the opposite side as anus. These is normally found in advance organism compare to prostosome which have mouth only.
The deuterosome are mainly chordates, echinoderms e.t.c.
Plzzzzz help me. How does the number of eggs in one flower compare to the number of pollen grains in one anther?
Identify 2 man made extinction causes and 2 conservation causes.
Answer:
Such characteristics are called as Properties of the system. 1. Intensive Properties: They are independent of total mass in the system e.g., Pressure, Temperature, Density. 2. Extensive Properties: These are dependent on the total mass in the system.
Explanation:
30 !!!
Around each electron that orbits an atom's nucleus ______.
A) a magnetic field
B) an electric current
C) a positive charge
D) a negative charge
Answer:
the answer is D) a negative charge
Answer:
a negative charge
Explanation:
plz can i get brainliest:)
Identify the 3 types of natural selection indicates by each graph (please include written descriptions of each!!)
Answer:
Graph A: Directional Selection
Graph B: Stabilizing Selection
Graph C: Disruptive Selection
Explanation:
Natural selection as a driving force of evolution cam be defined as a process that a population of organisms undergo in other to become adapted to an environment and survive to produce offspring that are fitter.
Thus, the following graphs represents the three types of natural selection:
Graph A: Directional Selection
Directional selection occurs when one extreme trait is favoured over others by selective pressures.
The graph shows that only one extreme trait is favoured as the population that survives seem to have majorly a particular extreme trait.
Graph B: Stabilizing Selection
In this type of natural selection, neither of the extreme traits are favoured by selective pressures. Therefore, intermediate trait become favoured over the other extreme traits.
Graph C: Disruptive Selection
Selective pressures works against the intermediate trait while both extreme trait at the spectrum are well favoured, which become more established in a population against the intermediate trait.
What happens if you place all four zip bags of apples in a dark for a week. What would be the observation for all four apples…
Answer:
They would slowly decomposeanf then become mushy.and nasty
If one abiotic factor changed drastically, what effect would that have on the ecosystem?
if a plant is adapted to low temperatures and the specific are where it lives, has a change in its temperature this plant will die and this area will no longer support life, which is due to the change in abiotic factor
(20 POINTS) Of the animals in this phylogenetic tree, which two species are most closely related?
human
thesus monkey
mouse
chicken
frog
lamprey
Answer:frog and mouse
Explanation: