The drug chloral hydrate prevents elongation of microtubules. During which stage of the cell cycle would chloral hydrate be most
harmful?
Multiple Choice
M phase
G1
G2
S phase
cytokinesis
Answer: G1 phase
Explanation:
Hope this helps!
Explain why each of these non-living components are important to life on Earth
Answer:
They are mainly important for plants.
Explanation:
Sunlight is good for plants.
Soil is good for plants.
Water is good for plants.
These three components help with photosynthesis.
Temperature
Atmosphere
Wind
All alternate the plant and human lives.
Water is the most essential for both human, plants, and animals.
As we discussed, plesiadapiforms were initially interpreted as being the first primates. They were then interpreted as being outside the direct primate lineage because they lacked many of the key traits that define the primate order. This debate continues today. Given what you know about the defining traits found in most living primates, describe four traits you think should be found in the earliest primates. What advantages would these traits have provided the first primates
Answer and Explanation:
Primates must have long, strong fingers capable of supporting their own body weight when they need to climb, the ability to climb trees and stereoscopic vision. These skills help primates not only to survive in the wild, but facilitate the obtaining of food, resistance to predators and reproduction, these characteristics being the most favorable to maintain the continuation of the active species and competitiveness among members of the species.
On the retina of the eye, the area having no sensory cells is called
A) Rod cells
B) Blind spot
C) Yellow spot
D) Cone cells
Answer:
b.
blind spot
that's the answer
Differences in ocean salinity and temperature create...
...disturbances in the water cycle.
...different climates on land.
...masses of water that are different from each other.
...weather patterns with a lot of fresh water precipitation.
Answer:
Masses of water that are different from each other
Explanation:
salt water is denser than fresh water, so it makes sense that it would create masses of water that are different from each other, it won't affect the water cycle climate or weather cycle since the salt stays in salt water when it is evaporated, creating precipitation that is always fresh water.
4 points
16. Which of the following is NOT an example of economics as a result of
biodiversity? *
the Fishing Industry
the Stock Market
the Lumber Industry
Answer:
The stock market is not an example of economics as a result of biodiversity.
When studying organisms, do you think it
would be more helpful to compare them
genetically or physically? Why?
Answer:
physically because the living organisms are most likely to have the same molecular structure when comparing physically the organisms of different species and such can look vastly different.
Explanation:
Some cells live for years, while others live for only a few days. Why do some cells get replaced faster than others?
Answer:
Some cells don't divide and last you a life time such as many of those in the central nervous system other cells such as stems called cell populations have their telemeres repeatedly extended by the enzyme telomerase other cells are never replaced and live as long as we do .
I hope this answer might help u
What causes thunderstorms
Answer:
moisture, unstable air and lift
A beetle moving away from a light source is an example of
0 Taxis
0 Imprinting
O Imitation
O Kinesis
What orbits, or revolves, around most planets?
Comets
Moons
Rings
Stars
Answer: Stars
Explanation: The sun is a star.
Answer:
moons orbit around planets.
Explanation:
each planet has a moon or multiple moons that orbit around the individual planets.
If you wanted to study the movement patterns of deer at different times of year using radio transmitters, you would need to use _____research techniques.
a. GIS
b. fields
c. randomized
d. laboratory
e. genetics
Answer:
a. GIS
Explanation:
GIS research technique is used in order to study the movement patterns of deer at different times because the geographic information system (GIS) is a framework for collecting, managing, and analyzing the data in order to know about the geography of that area. GIS also allows us to find out the events that is happening inside a specific region or nearby to a specific region.
You want to identify dominant /recessive relationship for skin color for a new frog species that you found in the rain forest. Assume that one autosomal gene controls skin color in this species. All of the frogs that you found for that spe- cies are bright blue or yellow. A bright blue female and bright blue male frog mate and produce all bright blue progeny. A yellow female and yellow male frog mate and produce a mix of bright blue and yellow progeny. Identify each trait (bright blue skin color and yellow skin color) as dominant or recessive. Explain your choices.
Required:
Identify the genotype for each parent in the two crosses.
Answer:
bright blue trait = recessive
yellow trait = dominant
Explanation:
let the letter B represent the gene for skin colour.
This means that the dominant gene is 'B' while the recessive gene is 'b'
A dominant gene is one that is exhibited phenotypically in the presence of both gene variants (heter0zygous state - Bb) while a recessive gene is only expressed phenotypically when it is in a h0m0zygous state (bb)
In order to find out the genotype of the parents, let us consider each cross one after the other.
1. A bright blue female and a bright blue male produce all blue progeny.
2. A yellow female and a yellow male produce a mix of both bright blue and yellow progeny
From statement 2, it can be deduced that the trait for yellow colour is dominant because a cross of the parents exhibiting this trait produces bright blue offsprings too, meaning that the genetic composition of the parents contains the gene that codes for yellow colour. Since these parents show a yellow colour in a heterozygous state, then the trait for yellow colour is dominant.
Therefore, the genotypes of the parents in each case include:
1. A bright blue female and a bright blue male produce all blue progeny. (bb × bb)
2. A yellow female and a yellow male produce a mix of both bright blue and yellow progeny (Bb × Bb)
PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
The color of fruit for plant "X" is determined by two alleles. When two plants with orange fruits are crossed the following phenotypic ratios are present in the offspring: 25% red fruit, 50% orange fruit, 25% yellow fruit. What are the genotypes of the parent orange-fruited plants? *
A. RR=Red RY=Yellow YY= Orange
B. RR= Red YR= Orange YY= Yellow
C. Rr=Red RR= Red rr=Yellow
D. OO= orange, Oo=Orange oo=Red
Answer: A
Explanation:
key:
yellow YY
Orange YR
Red RR
Which taxon does the group Animalia represent?
A. Phylum
B. Species
C. Genus
D. Kingdom
Answer:
D kingdom
Explanation:
I just know hope this helped :) <3
Answer:
kingdom
Explanation:
I just did the test
D. Explain the relationship between the pulse recorded in the finger and heart muscle contraction ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ E. Which components of the cardiac cycle (atrial systole and diastole, ventricular systole and diastole) are discernible in the pulse tracing? ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Answer:
D. Heart contraction and pulse are connected with one another.
E. Atrial diastole and ventricle diastole.
Explanation:
Heart construction and pulse of an individual are connected as one can hear the pulse every time contraction of the heart is completed. Pulse can be understood by this that it represents the number of the contractions is completed by heart each time.
In the pulse tracing, there are two parts of the heart that are discernible which represents the contraction of the heart that are Atrial diastole and ventricle diastole.
The relationship between the pulse recorded in the finger and heart muscle contraction is that both are connected to each other. But, the analysis and processes are different from one another.
What is Muscle Contraction?
A process leading to shortening and/or development of tension in muscle tissues that means the thin filaments slide over the thick filaments and tension is generated between one another is called Muscle contraction.
The pulse recorded in the finger is a signal for flowing the blood throughout the body, while the process of heart muscle contraction signals for electrical conductivity. Both the functions are connected with each other and acquired by cardiac activities.
The components of the cardiac cycle that are discernible in the pulse tracing are Ventricular systole (contraction) and ventricular diastole (relaxation).
Therefore, both the pulse recorded in the finger and heart muscle contraction interconnected with one another and acquired by cardiac activity.
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write down 5 sentences about first aid
A small group of diploid triangular Sticky Notes were fluttering along the coast of The Mainland. A storm blew in and blew the Sticky Notes to an isolated island that had never previously been inhabited by Sticky Notes. After a few years, the Sticky Note population (though still small) has happily made the new island their home and are visited by an evolutionary biologist. The evolutionary biologist bands the Notes, collects tissue for a genetic analysis, and finds that this isolated population of Notes is not in Hardy-Weinberg equilibrium. Why is this, and what may be the potential long-term significance
Answer:
Because genetic drift (Founder effect) is acting on this population. Not all the Hardy weinberg criteria are accomplished. There are no random matings and populations are finite-sized.
Explanation:
This is a special case of genetic drift: the founder effect.
The “Founder effect” phenomenon refers to cases where a new population originates from a few founder individuals, coming from a bigger ancestral population, that established in a new environment. This small population might or might not be genetically representative of the original one. This subgroup carries with them some genetic information that they share with their original population. Over time, some genes can be lost, or they can increase in frequency. Some rare alleles might be exceeded or might be completely lost. On Consequence, when the small population grows, it will have a genetically different composition from the original one. In these situations, genetic variability is reduced and enhances the possibility of developing a peculiar allelic composition. In some cases, the founder effect is part of the process of speciation.
The criteria for maintaining a Hardy-Weinberg equilibrium are:
Random matings No superposed generations No mutations No migration Infinite population size No natural selectionGenetic drift involved the un-accomplishment of random matings and infinite population sizes.
Genetic drift involves:
limited population sizes individuals reproduce by endogamy/exogamy, and matings occur by phenotype.
Which of the following steps in the water cycle represents a change in the state of
matter?
a. Condensation
b. Evaporation
c. Sublimation
d. All of the above
Question 3 (3 points)
Which description best explains the shape of the initial disturbance when you drop the penny between the two glasses.
Question 3 options:
Once the penny lands in the water, the waves expand outward on either side of the glasses.
Once the penny lands in the water, the glasses stop any waves from moving outward
Answer:
B: Once the penny lands in the water, the waves expand outward on either side of the glasses.
Explanation:
I just finished the test
what do u mean by autecology???
Answer:
Autecology concerns the study of interactions between an individual, a population, or a species and its total environment. Environment refers to all the physical and biotic factors directly influencing a given organism or organismic unit as well as anything affected by it. Autecology has sometimes been defined as ‘species ecology’ and it has also been equated with physiological ecology. Many examples of how autecologies differ among various taxa are given. Indirect interactions, such as indirect mutualisms and tropic cascades, can greatly complicate autecologies; several examples are given.
Explanation:
2.
has no nutritional value.
a. Bread
b. Alcohol
c. Meat
d. Milk
Answer:
alcohol
Explanation:
it has only bad effects on the person who drinks it
13. If an object travels 42 meters in 6 seconds, what is its average speed? А 6 m/s B 7 m/s C 48 m/s D 252 m/s
Answer:
B) 7 m\s
Explanation:
42 divided by 6 equals 7. Each second is 7 meters.
what ion can be combined with oxygen ion to form an ionic compound?
a.carbon ion
b.calcium ion
c.chlorine ion
d.fluorine ion
which of the following families have elements having 5 velence electrons
a.alkali metals
b.chalcogens
c.pnictogens
d.halogens
Calcium ion can be combined with oxygen ion to form an ionic compound.
What is Ionic compound?A compound that is created through ionic bonding is known as an ionic compound. One atom transfers its electrons to another in a process known as electron transfer to form an ionic connection. Think about two pups.
The pups each have a bone. The puppies stand in for atoms. The bone is a metaphor for an electron. Both of the puppies are impartial. One dog snatches the bone from the other since it is a thief. Now that the bone is his, the puppy thief.
In order to create a puppy pair with the thieving puppy, which has a negative charge, the puppy without a bone, which has lost an electron and is now positively charged, will follow it about. The ionic compound is the puppy pair.
Therefore, Calcium ion can be combined with oxygen ion to form an ionic compound.
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Scientists use a ______ to detect and study earthquake waves. Two types of Earthquake waves that travel through Earth’s interior are ______, which are compression waves and travel fastest, and ______ which move back and forth and cannot travel through liquid.
Answer:semestic waves and surface waves
Explanation:
Answer:
Seismograph, Seismic waves, Surface waves
How does an increase in atmospheric carbon dioxide effect the oceans?
Choose all that apply
-It causes them to dry-up and shrink in size.
-It causes sea levels to rise.
-It causes them to be more acidic.
-it causes them to be warmer.
Explanation:
Definitely global warming is correct because global warming is a slow process, a few degrees in hundreds of years. Moreover, there are multiple sources (causes) responsible for Earth warming. Though the Earth warms up very slowly (incomparably slower than heating a pot of water on the stove, where the heating source is only one), it occurs much faster than thousands of years ago.
An increase in atmospheric carbon dioxide is that the level of carbon dioxide is getting increased and the level of global warming is getting increased.
What is the pollution ?The pollution is the unwanted wastes that are coming out in the nature and the environment such that the level of increasing bad effects of air are increased.
It causes them to dry-up and shrink in size. It is because of the increased temperature that increases most importantly this condition of drying up and all. The sea level is increased when there is increase in water level due to the maximum water melting from glaciers that cause the water to increase in oceans.
Global warming is the intact reason that sounds so relevant to the situation where the condition is like that the increasing water will automatically level up other concerns as well that is because of the green house gases.
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The body functions best with a particular set of conditions: an ideal body temperature, blood pressure, blood sugar level, and many other ideal conditions. Which of the following is NOT true regarding homeostasis?
Answer:
what are the answer chocices
Explanation:
Explanation:
where is the answer choice??
explain how DNA mollecules carries the information?
Answer:
Genetic information is carried in the linear sequence of nucleotides in DNA.
Explanation:
Genetic information is carried in the linear sequence of nucleotides in DNA. Each molecule of DNA is a double helix formed from two complementary strands of nucleotides held together by hydrogen bonds between G-C and A-T base pairs. In eucaryotes, DNA is contained in the cell nucleus.
Why does the Pacific Ring of Fire occur where it does?
How does cellular respiration directly benefit animals?