food vacuole or granule:- used to contain food for digestion .
contractile vacuole :- used to remove excess water.
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Answer:
vacuole store water nutrients and other materials and in plants support the cell structure.
Explanation:
What part of the bacteriophage attaches and anchors itself to the bacteria?
Answer: Proteins in the "tail" of the phage bind to a specific receptor (in this case, a sugar transporter) on the surface of the bacterial cell. Entry: The phage injects its double-stranded DNA genome into the cytoplasm of the bacterium.
Explanation:
PLSS HELP
What is NOT an adaptation that pioneer species need? *
A. ability to do photosynthesis
B. live without soil
C. the ability to grow tall
D. tiny roots to break down rock
Explanation:
Primary succession, type of ecological succession (the evolution of a biological community’s ecological structure) in which plants and animals first colonize a barren, lifeless habitat. Species that arrive first in the newly created environment are called pioneer species, and through their interactions they build a simple initial biological community. This community becomes more complex as new species arrive. Primary succession is distinguished from secondary succession, which is the recovery of an existing biological community after a disturbance sets back the community’s ecological structure to an earlier stage.
Look at the chart below to answer this question. Which substance is the LEAST dense of the three substances?
Substance A
Substance B
Substance C
Answer:
Substance B
Explaination: Density is a measure of how heavy something is compared to its size. If an object is more dense than water it will sink when placed in water, and if it is less dense than water it will float. Density is a characteristic property of a substance and doesn’t depend on the amount of substance.
Referring to the illustration below, answer the following questions:
a. What process is represented here?
b. How do you know? (Give two reasons.)
c. Is the parent cell a somatic cell or a gamete? (Think before writing your answer!)
d. What is the end result of this process?
e. How similar or different are the daughter cells from one another? If they are different, explain why.
The genetic material in each daughter cell is identical to that in the parent cell, and the process of mitosis ensures that each daughter cell receives a copy of each chromosome.
a. The process represented here is cell division. b. The reasons why this process is cell division are:
1. The parent cell is dividing into two daughter cells.
2. The daughter cells are genetically identical to each other. c. The parent cell is a somatic cell. It is not a gamete because gametes are produced by meiosis, not mitosis. d. The end result of this process is two genetically identical daughter cells. e. The daughter cells are genetically identical to each other. They are the same because they are produced by mitosis, which involves only one round of cell division and results in two daughter cells that are genetically identical to each other. The genetic material in each daughter cell is identical to that in the parent cell, and the process of mitosis ensures that each daughter cell receives a copy of each chromosome.
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Which is characteristic of the sympathetic division of the autonomic nervous system?
a]stimulates digestion
b]dilates the bronchi
c]slows the heart rate
d]converts glucose to glycogen
Why are antibiotics unhelpful for treating the common cold?
A. Colds are caused by bacteria.
• B. Antibiotics attack only bacteria.
• C. Antibiotics cannot treat disease.
D. Colds are caused by antibiotics.
B. Antibiotics attack only bacteria.
The ___the contour lines are
together the steeper the slope.
The steeper the slope, the ___ stream's velocity.
Answer:
hi
Explanation:
When a population is split into smaller groups, why do these groups develop different traits?
A. Traits that form in one group form evolutionary forces quickly spread through populations
B. Separating the two groups decreases the chance that the two groups will diverge
C. Gene flow is increased in the two subgroups that are formed
D. Forces like natural selection and genetic drift affect the genes of the two subgroups differently
If I was to guess, It would be D.............
Fears of malpractice lawsuits are playing a part in the increased use of expensive diagnostic equipment. T F
Answer:
True.
Explanation:
True, Fears of malpractice lawsuits are playing a part in the increased use of expensive diagnostic equipment.
Hope this helps!
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what are the improvements in human society that have allowed the human population to increase in size exponentially? (choose all that apply)
a. agriculture
b. cleanliness
c. industry
d. medicine
Answer:
medicine................
Answer:
a. agriculture
b.cleanliness
d. medicine
Explanation:
took the test! :)
according to tinbergen, if you are examining a trait in order to determine how it contributes to the survival and reproduction of an organism, what are you studying?
According to Tinbergen, if you are examining a trait to determine how it contributes to the survival and reproduction of an organism, you are studying the trait's adaptive value or fitness.
Niko Tinbergen was a renowned ethologist who proposed four questions to understand behavior in animals, including the study of traits. One of these questions pertains to the adaptive value or fitness of a trait, which focuses on how the trait affects the survival and reproduction of an organism.
By examining the trait's contribution to an organism's ability to survive in its environment and successfully reproduce, researchers can gain insights into the evolutionary significance of the trait. This approach helps in understanding the selective pressures that have shaped the trait over time, as traits that enhance survival and reproduction are more likely to be favored by natural selection.
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Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Make a Punnett Square for two smooth seed hybrid pea plants (Ss)
Click once to select an item at the bottom of the problem.
Click again to drop the item in its correct place.
Answer:
Explanation:
(blank) (S) (s)
(S) (SS) (Ss)
(s) (Ss) (ss)
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!
What property of silver may discourage people from buying silver jewelry?
A. it can’t float
B. it’s not green
C. it can tarnish
D. it’s not transparent
Answer: C
Explanation: Because if silver is tarnished it will lose its luster, thus making it not attractive.
Eutrophication is caused by ___
A. Erosion
B. Pollution
C. High winds
D. Ultraviolet rays
A species that lacks adaptation to a changing environment is more likely
to
Answer:
become extinct over time......
The primers you used in lab amplified 145 base pairs that were adjacent, but not included in the repeat. If you used a different primer that only amplified 130 base pairs adjacent to a 14 base pair repeat, and you had 4 repeats in your product, what was the size of your final PCR product?
186
214
158
200
172
Answer:
186
Explanation:
The Polymerase Chain Reaction (PCR) is a technique used in molecular biology to amplify small segments of DNA. This technique uses a pair of oligonucleotide sequences called 'primers' which bind to opposite strands of the heat-denatured DNA template in order to amplify this target DNA sequence. In this case, the DNA template is composed of a single unit of 130 base pairs (bp) and four repetitive units of 14 bp, so the final PCR product will have 186 bp >>> 130 bp + (14 bp x 4) = 130 + 56 = 186.
What type of graph is used for a PH test
A forest has many trees and bushes that produce nuts. This is a major food sources for many species, including a particular bird. Birds of this species have a variety of beak shapes ranging from long and pointy to short and hard beaks. The birds with short and hard beaks are able to eat the nuts better than the birds with long and pointy beaks. According to this scenario and the principles of natural selection what will happen to this bird population over time. Group of answer choices
Answer:
There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection. After a while the birds will get old and their beaks will get weaker, eventually they will die, when there is a shortage of food they will start harming each other in order for it, that’s selection.
Explanation:
ANSWER QUICK PLZ
The photo shows several Volvox, one of the simplest multicellular living things. Volvox have no tissues.
What other three things do Volvox also likely lack?
Answer:
A, B, D.
Explanation:
identity the function of the cell membrane. what is the function of the cell membrane? please explain
hi please help i’ll give brainliest
Answer:
C the moom rotates around itself slower than eath rotates around itself
Explanation:
ASAP!! HELP ME WITH THESE pls :(
Question 1.Which moon phase starts and ends in the moon cycle?
Question 2 : How many days between each moon phase ?
Answer:
1. new moon
2. seven
Explanation:
:)
Answer:
there are 4 important phase. full moon is the first phase and new moon is what it ends.
it takes 27days between each moon phase
Which adaptation is most likely found in tropical trees?
Answer:
birds and squirrels
Explanation:
Answer:
The leaves of forest trees have adapted to cope with high rainfall. Many tropical rainforest leaves have a drip tip. It is thought that these drip tips enable rain drops to run off quickly.
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A male peacock's tail is an adaptation to increase his chances of
A)survival
B)finding food
C)getting a mate
D)standing out in a crowd
Answer:
D
Explanation:
That is a form of copulatory behaviour in peacocks
Answer:
C) getting a mate
Explanation:
A male peacock's tail is a adaptation to attract other peacocks
Even more Explanation:I took the USA TEST PREP assignment and got it correct. the answer below or above me is wrong. trust me
When a small square is sectioned off for study and the plants, animals, and other organisms in that section are counted, the study is called a:______
When a small square is sectioned off for study and the plants, animals, and other organisms in that section are counted, the study is called a quadrat sampling.
Quadrat sampling is also referred to as quadrat study. In ecological research, it is a method used to determine the number or density of organisms in a certain specific area.
It involves dividing the study area into smaller, equally sized plots or squares called quadrats. The size of the quadrat depends on the organisms being studied and the scale of the research.
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Which of the following experimental approaches is least likely to be used in identifying transcription factor binding sites?
a. Electrophoretic-mobility shift assay
b. Northern blotting
c. DNA footprinting
d. Chromatin immunoprecipitation
Northern blotting is the least likely to be used in identifying transcription factor binding sites. Therefore, option "B" is correct. Northern blotting is used for the analysis of RNA in the given sample. The samples can be tissue, blood, and serum.
The RNA is purified from the given sample. The sample might contain fragmented RNA which is purified and amplified. The target RNA is separated by using an electric current. The RNA moved through the gel which act like a sieve-like matrix. The movement of the fragments depends on the size of the fragments. Smaller fragments move faster than larger ones in Northern blotting.
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4.
What is the salinity of seawater?
1.5 percent
3.5 percent
10 percent
5.5 percent
Answer:
I think the answer is 3.5%
Explanation:
35 parts per thousand of seawater contains salt therefore your answer is 3.5
the growth of plant seedlings is usually
A.phototropic and gravitropic
B.thigmotropic and gravitropic
C.phototropic and influenced by ethylene
D.gravitropic and influenced by ethylene
Answer:
The correct answer is - A. phototropic and gravitropic.
Explanation:
A plant seedling grows usually two-direction shoots or stems towards light and roots towards the soil or in the direction of gravity. The movement of the plant toward a specific stimulus or effect parts is called tropism and different parts move in a different direction.
The movement of the roots of the plant is usually towards the direction of soil or gravity and this is called gravitropic. The shoot or stem grows from the seedling towards the direction of light and it is called phototropic.
1. Which of these is NOT a characteristic of a biome?
A Regions that have the same plant communities
B Regions that have the same animal communities
C Small habitat such as a tree stump that contains its own ecosystem
D Large areas of the Earth that have similar climates and organisms
Small habitat such as a tree stump that contains its own ecosystem is not a characteristic of biome.
What is a biome?A biome is a large geographic region on Earth that is characterized by a specific set of climatic and environmental conditions, as well as a distinctive community of plants and animals. Biomes are defined by their dominant vegetation, which is adapted to the specific climate and environmental factors of the region. There are several different types of biomes, including forests, grasslands, tundra, deserts, and aquatic biomes such as oceans and freshwater ecosystems. Biomes are important for maintaining biodiversity and ecological balance, and are also valuable for human use, providing resources such as timber, food, and water. The study of biomes is an important aspect of ecology, and helps us understand how living organisms interact with their environment.
Which of these is not a characteristic of a biome?c) Small habitat such as a tree stump that contains its own ecosystem. The other options are all characteristics of a biome. Biomes are large areas of the Earth that have similar climates and organisms, and are characterized by the same plant and animal communities. Biomes are typically defined by their predominant vegetation type and are classified based on factors such as temperature, precipitation, and soil type. Therefore, option C is the correct answer.
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explain how inbreeding dogs for good or perfect trait also produces bad or disease traits as well
Answer:
Inbreeding can cause a weaker dog from inbreeding it will not be as immune to stuff that non inbreed dogs would be if that makes since.
Explanation:
I know this cuz my gramps shows and breeds dogs and i breed goats. If you don't get it tell me in the comments.
Inbreeding depression can produces bad or disease traits as well.
Inbreeding between two closely related species can result in the expression of lethal recessive allele which are otherwise masked by dominant allele.These recessive gene allele can code for certain diseases which are otherwise eliminated by outbreeding.What is inbreeding depression?It is the reduced survival and fertility of offspring of related individual.It is often the result of population bottleneck.To know more about inbreeding depression here
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