Which of the following describes plant cells but not animal cells?
A. The nucleus contains the chromosomes
B. The ribosomes assist in protein synthesis
C. Plastids store starch made during photosynthesis
D. mitochondria produce energy through respiration
Answer:C. Plastids store starch made during photosynthesis
The statement that describes plant cells but not animal cells is the plastids that store starch made during photosynthesis. Thus, the correct option for this question is C.
What is Photosynthesis?Photosynthesis may be defined as the process through which green plants and some photosynthetic algae synthesize their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.
Animal cells do not perform photosynthesis so they do not have plastids. Plastid is a type of cell organelle which is specific to only plant cells that significantly store starch that is synthesized during the process of photosynthesis.
Animal cells have cell organelles like mitochondria, endoplasmic reticulum, etc. while chloroplast and plastids are specific to plant cells.
Therefore, the statement that describes plant cells but not animal cells is the plastids that store starch made during photosynthesis. Thus, the correct option for this question is C.
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Name three important needs for water
Answer:
for living beings to drink, to grow crops, a place for living for fishes and such
Answer:
For us to drink so we can survive, for fish to swim liek lakes and stuff , and so crops can grow
Explanation:
A shadow is caused when an object blocks sunlight. For example, when your body blocks sunlight, you may see a shadow of yourself on the ground. How do you think the shadow of an object, such as a flagpole, would change over the course of the day as the Sun appears to move across the sky?
Answer:
The position of the sun affects the change in the direction and size of the shadow of the object. When sunlight is blocked by and object a shadow forms, as the earth moves on its axis daily it looks like the sun rises in the east and sets on the west.
When the sun is low in the sky the more light is blocked by an object which means the shadow will be longer and shadow will always point far from the direction of the sun.
In the morning sun is in the east so the shadow will be towards the west in the morning, shadows are long and point northwest and at noon, shadows are short and point north late afternoon shadows are long and towards the northeast.
Answer:
M
Explanation:
.......is the physical quantity that depends on the enertia of the body
1) force
2) mass
3) weight
4) acceleration
Answer:
I think its 2 mass correct me if im wrong but I'm very sure
Answer:
A
Explanation:
Force or weight im not sure if correct
Health and well-being
Answer:
yeah
Explanation:
what is the water circulation of a stream?
Answer:
Streamflow
Explanation:
PLEASE HELP ASAP!!
1) Complete the diagram of the cell cycle by writing the names of
each of the four phases.
Answer: Verified by: imsobored100013
Explanation: There's no explanation for this answer if need of help just reply to this answer.
Hope this helped you :)
There are four phases in the cell cycle. Thus, the four phases are the G1 phase, S phase, G2 phase, and M phase.
What is the cell cycle?Chromosomes and other cell components duplicate to create two copies of themselves over the course of the cell cycle. Following this, the cell divides into two daughter cells, distributing one copy of the duplicated material to each.
G1, S, G2, and M are the four distinct stages of the cell cycle. DNA replication takes place during the S or synthesis phase, and the cell divides during the M or mitotic phase. The other two phases, G1 and G2, sometimes known as the "gap phases," are equally significant but less striking. Further M phase is divided into prophase, metaphase, anaphase, and telophase.
Thus, the G1 phase, S phase, G2 phase, and M phase are the four main phases in a cell cycle.
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Amylase is a digestive enzyme that breaks down starches into sugars. Which component of the amino acid gives
the monomer the unique characteristics that help amylase function?
Answer:D
Explanation:
Answer:
Thew answer is D
Explanation:
EDGE 2020
which one of these situations is commonly caused by acid rain?
a. people being poisoned by drinking water
b. fish and birds in freshwater habitats dying off
c. people receiving acid burns on there skin
d. whales and dolphins dying off in the oceans
A situation that is commonly caused by acid rain is the dying off of fish and birds in freshwater habitats. Thus, the correct option for this question is B.
What do you mean by Acid rain?Acid rain may be defined as a type of precipitation that correspondingly include acidic components, like sulfuric acid, nitric acid, etc. that fall to the ground from the atmosphere in wet or dry forms like rain, fog, hail, etc.
The pH of acid rain is generally low compared to normal water. So, it causes numerous impacts on the earth's surface. But the most consequential influence of acid rain is the destruction of fish and birds in freshwater habitats.
It generally lowers the pH of the freshwater ecosystem and makes it unfavorable for many organisms like producers, small fishes, birds, etc. They cannot adapt themselves to such lower pH and have to dye off.
Therefore, the correct option for this question is B.
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What is the difference between cytokinesis in plant and animal cells?
Answer:
The primary difference between cytokinesis in plant and animal cells is that cellular reproduction is done sexually (meiosis) in animal cells, while cellular reproduction is done asexually (mitosis) in plant cells.
To better elaborate, Sciencing.com, states, "In plant cells, cytokinesis simply consists of the cell plate forming at the equator of the old cell that will soon be two. The cell plate–the future cell wall that will separate the two cells--divides the cytoplasm in half. . . . Cytokinesis in animal cells is more complex than in plant cells. A contractile ring, underneath the original cell's membrane, begins to form and contracts, which creates the cleavage furrow. The furrow grows deeper between the two cells until they pinch off and separate from one another, resulting in two separate daughter cells."
Remember, always cite your sources.
Can someone help me
Answer: not sure look on google
Explanation:i new and don't understand
what are 10 living things
Answer: Human, Sunflower, Tree, Frog, Whale, Spider, Bird, Lizard, Cat, Hamster
Explanation:
Give the name of three different jointsfound in humans
Answer:
Fibrous Joints. Fibrous joints are held together by strong connective tissue with only a slight capacity to stretch.
Cartilaginous Joints. Cartilaginous joints allow for slight movement and occur where bone ends are covered
Synovial Joints. Synovial joints allow the greatest degree of movement due to their structure.
Types of Synovial Joints. The many synovial joints of the human body enable movement of various types
Explanation:
Which of the following represent an ecosystem?
A: A lake
B: a fish tank
C: a prairie
D: All of these
Answer:
D
Explanation:
all of them are ecosystems:
Lakes/Ponds are a prime example of lentic ecosystems
Fishtanks are are described as a closed artifical ecosystems
Prairies are unique ecosystems that are dominited by grass and other plants.
Answer:
the total amount of matter
Explanation:
In a closed system, the total amount of matter remains the same as it is transferred between organisms and the physical environment, even though its location or form changes.
When one organism consumes another, this matter can change form, but it does not disappear. Eventually, the matter is broken down by decomposers and deposited in the ecosystem's soil, where it can be used by plants. From there, it is able to begin the cycle all over again.
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The light bulbs on strands of twinkle lights often burn out, leaving a gap in the circuit. With this in mind, do you think it is better to design these strands of twinkle lights as a series or parallel circuit?
3 SENTENCES
Explanation:
Issun Sengeki... Messatsu!
Here's the sentence:
If the light bulbs often burn out, then I can use a different method. The resolution could be using a parallel circuit. The reason being is because a parallel circuit will have to available ways to transfer power, so if one route fails, the other prevails!
Cell to cell communication is a key component of higher order biological organization and responses. Communication evolved billions of years ago among ancient bacteria. There are 7 characteristics of life. Which characteristic is used for cell-cell communication?
Answer:
hello the options to your question is missing below are the options
A) living things reproduce B) living things grow and develop C) living things are composed of cells D) living things respond to their environment
Answer : living things respond to their environment ( D )
Explanation:
The characteristic used for cell-cell communication is that living things respond to their environment this is because human beings like every other living thing respond and interact with their environments and cell is a living organism hence interacting with each other is very essential for higher order biological organization and effective responses between Cells
why does the vagina get wet ?
Answer: From getting turned on
Explanation:
Answer: Hor/mon/es among Other things
Explanation:
Aro. usal; As you become arou. sed, blood flow to your geni. tals increases, which triggers the release of fluid from the cer. vix and the Bar tholin’s glands, which provides lubr. ication during sex. ual activity. Often, the more arou. sed you’re feeling, the more va. ginal lub. rication your body will produce. Horm ones and age; Horm. ones play a big role in va. ginal wet. ness. Higher estro. gen levels lead to increased va. ginal we. tness, but as your body starts to produce less estr. ogen during meno. pause and afterwards, your body may not produce as much va. g inal fluid, making your va gina drier. Meanwhile, as you move through your men. strual cycle and ovul. ation approaches, your cer. vix produces more va. ginal fluid, which plays an important role in helping sp. erm travel to an egg during the process of fer. tilization. Infection; Sometimes you will feel more we. t than usual if you have an infection such as bacterial va. ginosis. The va. ginal fluid helps to remove bacteria from the va. ginal canal. Infections may also lead you to produce other types of va. ginal dis. charge, which will vary in appearance depending on the type of infection. But if you notice any disch. arge that’s an abnormal color or smell, you’ll want to get in touch with your physician. Medication; Horm. onal birth control can alter your va. ginal fluid production, leaving you more w.et or dry than you’re used to when not taking the medication.
What is the mechanism that allows species to change over time?
Answer:
evolution
Explanation:
Natural selection is a mechanism that drives evolutionary change. Simply put, it is the survival of traits that are favorable to an organism within its environment. Think of it in terms of the example above with the mice.
1.Are most environmental issues local problems or global problems?
2.How can or will this affect the way we try to solve these issues?
3.How are environmental issues becoming more complex?
4.What about the history of environmental studies can inform us about our current environmental issues? Why is it important to understand the past to help solve current and future environmental problems?
Answer:
How changes in the human race change from point of views
A convalent bond is formed as a result of a
Answer:
A covalent bond is formed as the result of sharing electrons.
Explanation:
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. A scientist counts the number of cells in three separate Petri dishes. O The data shown in the table best illustrates which part of the cell theory. All living things are made of cells. Cells are the basic unit of living things. Petri Dish А Number of Cells Number of Cells: Number of Cells: Day 1 Day 10 Day 20 0 0 0 5 50 150 25 600 1200 B. Organisms can be unicellular or multicellular. c с O All cells come from other cells. CLEAR ALL
Answer:
c
Explanation Your welcome
Answer:
It's C because I took a test on this in 8th Grade
Explanation:
13. The geological theory that states that pieces of Earth's outer layer are in
constant, slow motion is the theoryof *
subduction.
plate tectonics.
sea-floor spreading
deep-ocean trenches.
Answer
sadc
Explanation:
sdsdsdd
Which of the following best describes a benefit of studying biology.
a. One is able to experiment on a variety of animals.
b. One is able to intelligently debate issues such as cloning.
c. One is able to preserve the animals that are extinct.
d. One is able to understand the causes of changes in weather.
Answer:
The statement that best describes the benefit of studying biology is the ability to intelligently debate issues such as cloning.
Explanation:
Biology encompasses the study of all known forms of life, including their anatomy, organization, functioning and interactions.
One of the advantages of the knowledge acquired through biology is to be able to participate in works and discussions involving subjects related to living beings, including cloning.
The other options are not correct because:
a and c. The ability to experiment on animals or preserve animals that are extinct is reserved for scientists with a deep knowledge of biology and its fields.
d. Understanding the causes of wheather change does not correspond to knowledge in biology
In an enzymatic reaction: Select one: a. The enzyme leaves the reaction chemically unchanged b. The least important level of organization for an enzyme is its tertiary structure c. Increasing temperature above the optimal value slows the reaction rate
Answer:
c. Increasing temperature above the optimal value slows the reaction rate
Explanation:
Enzyme activity is affected by factors, such as temperature, pH, and concentration.
The rate of an enzyme-catalysed reaction increases as the temperature increases. However, increasing the temperature above the optimal value slows the reaction rate because the enzyme becomes denatured and can no longer function.
Thus, the correct option is "C"
c. Increasing temperature above the optimal value slows the reaction rate
What is meant by "between
organisms"?
5. network of complex interactions formed by the feeding relationships among the
various organisms in an ecosystem
A network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem is known as Food web.
What is a food web?A food web is the natural interconnection of the different food chains and a graphical representation of what-eats-what in an ecological community in the nature. Another name used for the food web is the consumer-resource system.
Organisms which are present in the food webs are grouped into different categories are called as trophic levels. These levels are divided into producers, consumers, and decomposers.
Food web are the interactions which integrates the transfer of matter and energy between the living organisms which eat, and are being eaten by other organisms, capturing thus essential information about the species interactions, materials flow, community structure, and the ecosystem functioning.
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Respiration releases ____.
A.Oxygen
B.Carbon dioxide
C.Nitrogen
D.Carbon
Answer:
A. oxygen is what we brief
2. Which of these is not an ecological pyramid?
A. Pyramid of Energy
B. Pyramid of Biomass
C. Pyramid of Numbers
D. Pyramid of Species
what of the following are functions of lipids? choose three correct answers
You didn't give any of the options so i'm gonna assume
forming waxy leaf coverings
storing energy in fat cells
forming cell membranes
How many half-lives have passed when there are three times as much daughter isotope as parent isotope?
Answer:
2
Explanation:
1/2=0.5
0.5/2=0.25
0.25:0.75=1:3