Match the part of the cell to its correct function.
1.
vacuole
2.
cell membrane
3.
cytoplasm
4.
mitochondrion
5.
Golgi body
6.
cell wall
7.
lysosome
8.
chloroplast
9.
endoplasmic reticulum
10.
DNA
11.
ribosome
12.
nucleus
a.
contains instructions on how the cell functions.
b.
controls the activities of the cell.
c.
supports and protects the organelles in the cell.
d.
strong layer around plant cells.
e.
controls what goes in and comes out of a cell.
f.
helps in the production and movement of materials.
g.
packages and distributes materials in and out of cells.
h.
supplies energy that cell uses.
i.
produces proteins for the cell.
j.
converts energy from the sun to food energy.
k.
serves as a temporary storage area for nutrients and waste materials.
l.
breaks down waste materials.
The parts of the cell together with their correct functions would be as follows:
Vacuole: serves as a temporary storage area for nutrients and waste materials.Cell membrane: controls what goes in and comes out of a cell.Cytoplasm: supports and protects the organelles in the cell.Mitochondrion: supplies energy that cell uses.Golgi body: packages and distributes materials in and out of cells.Cell wall: strong layer around plant cells.Lysosome: breaks down waste materials.Chroloplast: converts energy from the sun to food energy.Endoplasmic reticulum: helps in the production and movement of materials.DNA: contains instructions on how the cell functions.Ribosome: produces proteins for the cell.Nucleus: controls the activities of the cell.The cell consists of organelles that are specialized for specific functions. They all work together for the overall function of the cell.
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Which of the following is a product of the photosynthesis reaction?
A. lactose
B. fructose
C. glucose
D. carbon dioxide
What best describes index fossils? Organisms that existed over a limited period . Organisms whose age is hard to detect. Fossils that are used in radioactive dating. Fossils of the most ancient organisms.
Answer:
A
Explanation:
I Big Bran
The statement (a) organisms that existed over a limited period describes index fossils.
What are index fossils?
Index fossils are fossils used to define and identify geologic periods. Index fossils must have a short vertical range, wide geographic distribution and rapid evolutionary trends.
Moreover, index fossils are used to define geological periods. These fossils can be defined as "commonly found, widely distributed fossils that are limited in time span." If one finds an index fossil in a given layer, then one has bounds on the age of the layer. Using index fossils, the geological periods are defined.
Therefore, a good index fossil is one with four characteristics: it is distinctive, widespread, abundant, and limited in geologic time. Because most fossil-bearing rocks formed in the ocean, the major index fossils are marine organisms.
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Which strand of mrna has the bases guanine-adenine-cytosine. Which amino acid corresponds to these bases
A- gln
B- Asp
C- Arg
D- cys
Answer:
The answer is: B- Asp.
Explanation:
Aspartic acid, symbols Asp, in RNA is encoded by the GAU or GAC codons.
The answer is: B- Asp.
What human activity is most responsible for the damage to the ozone layer? A) The use of freon and CFC spray propellants. B) Deforestation and interruption of the water cycle. C) The contamination of groundwater with mercury and PCBs. Eliminate D) Burning of fossil fuels and the subsequent creation of acid rain.
Answer: A) The use of freon and CFC spray propellants.
Chlorofluorocarbons (CFCs) are compounds that are used as propellents in the spray cans and in refrigerators. These are manufactured under the trade name of Freon. Freon is a CFC that contains fluoride as a main ingredient. These CFCs are released in the atmosphere and they accumulate in the stratospheric layer. The ozone layer is present in the stratosphere shields the Earth from the harmful ultraviolet rays. The CFC molecules breaks down by the ultra violet radiations. The released chlorine atoms or fluorine atoms reacts with the ozone molecules resulting in the removal of ozone layer from the stratosphere. This is called as ozone layer depletion.
The spin of a planet or moon as seen form above a planets pole is called its _______.
The spin of a planet or moon as seen from above a planet's pole is termed its rotation, which occurs around an imaginary line called the axis.
Explanation:The spin of a planet or moon as seen from above a planet's pole is called its rotation. When we think of the Earth, for example, we can imagine a line passing through the center of the planet that goes through both the North Pole and the South Pole. This imaginary line is known as the axis. The movement of Earth around its axis, reminiscent of how a top spins around its spindle, is what we refer to as the Earth's rotation.
Every planet and moon in our solar system undergoes this spinning movement, which plays a crucial role in defining day and night cycles on these celestial bodies. The position of the axis in relation to the celestial sphere also influences the visibility of stars and other celestial objects from the Earth's surface, with the axis pointing towards the celestial poles.
The mere exposure effect _____.
causes people to dislike things they are familiar with
is a bias against familiar things
can cause people to reject unfamiliar things
happens when familiar things are selectively ignored
Answer:
can cause people to reject unfamiliar things
Explanation:
Mere-exposure effect is a concept in psychology which explains the effect of exposure to a particular thing, situation or person. According to it people tend to get comfortable around things they are exposed to more. This can lead them to reject other alternative options. The effect has been observed in various instances like paintings, sounds, Chinese characters etc. With respect to human relationship it means the more a person is exposed to someone, the more they like them. Mere exposure effect can lead to development of aversion to unfamiliar things in people.
What is the difference between NAD+ and NADH
A genetic mutation occurs in a rabbit's muscle cell. This genetic mutation will be passed on to A. the cells of the rabbit's offspring. B. cells that are produced when the mutant cell divides. C. the cells that are next to the mutant muscle cell. D. the existing cells in the rabbit's body.
A genetic mutation in a rabbit's muscle cell will be passed on to cells that are produced when the mutant cell divides, as somatic cells, like muscle cells, transmit their genetic information to their daughter cells through mitosis. The correct answer is option B).
If a genetic mutation occurs in a rabbit's muscle cell, which is a type of somatic cell, the correct answer to where this mutation will be passed on is to B. cells that are produced when the mutant cell divides. This is because somatic cells divide through a process called mitosis, where genetic information is copied, or replicated, and passed on to the daughter cells.
It is important to note that the mutation will not be passed on to the rabbit's offspring (Option A) because it is not in a germ cell (i.e., sperm or egg cells), which are involved in reproduction. Mutation transmission to the cells next to the mutant cell (Option C) or to existing cells in the rabbit's body (Option D) does not happen because these cells do not receive DNA from the mutated cell directly.
A mutation occurs in a percentage of male birds that causes them to develop dull coloring. Out of 52 dull-colored birds, 13 birds successfully mated. Based on these numbers, what’s the probability that an individual dull-colored bird will successfully mate? The probability that an individual dull-colored bird will successfully mate is percent.
Probability of an individual dull-colored bird mating successfully equals the number of birds that successfully mated divided by the total number of birds
The answer is 25%
Answer:
25
Explanation:
Within a species of short, ground-dwelling animals, two parents produced a group of offspring that were 1 cm taller than they were. These offspring were able to reach slightly higher vegetation than their parents and other members of the species. When the offspring grew up, they produced new offspring who were also slightly taller and could also reach the higher vegetation. This process continued over several generations such that offspring became gradually taller with time. Eventually, after many generations, all members of the species were at least 20 cm taller than the original two parents that produced the slightly taller offspring. What does this illustrate? A. Ground-dwelling animals would survive better if they evolve to be shorter. B. Slight differences between parents and offspring can eventually result in future generations that are very different from their ancestors. C. Biological change does not apply to ground-dwelling animals. D. Only major differences between parents and offspring can result in future generations that are very different from their ancestors.
how can pollutants like rat poison (liquid) transfer from a city to the ocean
Which process is neither an energy efficient or environmentally 'friendly' activity?
Answer:
Option-De-salinization of ocean water
Explanation:
Why?A process which will be more costly a terms of energy consumption, men work, and is neither efficient or environmentally 'friendly' is obtaining clean amount of water to drinking purposes from the ocean or sea water. As the process will require more machinery and it will be much costly for the public to purchase.
Alternatives!:The drinkable water or fresh amount required for a spending a healthy life can be obtained from any river or clean reservoir around the region, so, why waste time and money, along with the most important factor energy.
Blue jays and robins do not interbreed. Assuming the blue jays and robins share the same habitat, describe the possible conditions that keep these birds repoductivly isolated. Explain your answer.
Investigators studied the effect of temperature on the rate of biological enzyme action. The experimental data is summarized in the graph. The investigators concluded that the enzyme works best at human body temperature. What part of the data validates their conclusion? A) The graph peaks at 37°C and dips beyond this point. B) The graph shows an exponential rise in reaction velocity. C) The graph shows that the reaction is complete at 60°C. D) The reaction is seen for temperatures between 0°C and 60°C.
A) The graph peaks at 37°C and dips beyond this point.
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Which of the following measurements is used to compare the difference between objects in the solar system?
Which statements correct
Which phrase best describes the usual form and function of a flowers sepal
A. Has a long slender stalk to make the pollen accessible
B. Is leaf-like and protects the developing flower
C. Is the tube-like pathway used by the pollen to reach the ovary
D. Is rounded and fuzzy to get pollen grains to stick to it
A sperm cell is produced by spermatogenesis. In order for the sperm cell to achieve a diploid state, what must occur?
A) The sperm cell must undergo meiosis.
B) The sperm cell must undergo mitosis.
C) The sperm cell must fertilize an egg.
D) The sperm cell must divide by cleavage.
Zinc 419.53 oC 7.134 Nickel 1455oC 8.912 Copper 1084.62oC 8.96 Silver 961.78oC 10.501 Gold 1064.18oC 19.282 A cube of each metal, in the table, is provided on a laboratory table. Each cube has the same volume of 10 cm3. Which cube would have the largest mass? A) copper B) nickel C) silver D) zinc
Answer:
it is c silver
Explanation:
because
Water is traveling up a tree carrying nutrients. Use the water cycle to explain how the water later becomes groundwater
HELP ASAPPPP PLZZZ
What does weight measure?
Quantity of matter in an object
How much space an object takes up
Force of gravity acting on an object
How long it takes for an event to occur
How many parts does the scientific name of an organism have?
1
2
3
4
Write the complementary dna strand for AATGAATAGCTAGCTT
Which of the following is not a sign of a chemical change?
Color change
Odor production
Heat production
Shape change
Which of the following correctly compares fermentation and cellular respiration? Both provide ATP molecules, but only fermentation occurs when oxygen is present. Both result in substantial ATP molecules and lactic acid production. Cellular respiration produces more ATP molecules than fermentation. Cellular respiration provides ATP molecules at a slower rate than fermentation.
Answer:
Adds More ATP
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Energy is transferred when
species change
species adapt
species eat
populations evolve
A sequence of DNA responsible for coding a protein?
The coding region of DNA is responsible for encoding proteins through a process called translation.
Explanation:A DNA sequence responsible for coding a protein is called the coding region. Within the coding region, the nucleotide sequence of the gene is translated into the amino acid sequence of the protein. This process is known as translation and is directed by the genetic code, which consists of triplet codons within the mRNA sequence that correspond to specific amino acids.
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In sunflowers, tall stems (T) is a dominant trait while short stems (t) is a recessive trait. In a field of 1000 sunflowers, 820 are tall plants and 180 are short. Which statement BEST describes the genotype of the sunflowers in the field?
A)About 50% are homozygous for tall stems.
B)About 75% are homozygous for tall stems.
C)About 50% are homozygous for short stems.
D)About 50% are heterozygous for tall stems.