Explanation:
Like animals plants multicellular eukaryotes whose bodies are composed of orangs tissues and cells with the highly specialized functions. The relationships between plant organs tissues and cell types.
am I right? or no I'm having issues
Answer:
there are two homologs of each in all cells is an option too.
Explanation:
The somatic cells of sexually-reproducing eukaryotic organisms are diploid, meaning that they have 2 sets of homologous chromosomes.
Which type of fertilization occurs in humans? Explain your answer.
Internal fertilization
Explanation:
everything takes place inside a female womb
Answer:
When the sperm and egg(ovum) fuse, their fusion is called fertilization.
Explanation:
Since it takes place inside the body of the female.it is an internal fertilization. During this process, the nuclei of sperm and egg fuse to form a single nucleus. The resultant single cell,formed after the fertilization, is called zygote.
What causes tides to occur every 12 hours? A. the moon's revolution. B. the moon's rotation. C. Earth's rotation. D. Earth's revolution.
Answer:
A. the moon's revolution.
Explanation:
his occurs because the moon revolves around the Earth in the same direction that the Earth is rotating on its axis.
Answer:
Earth's rotation.
Explanation:
I took a test and this is the answer
Which sequence of human body structures is ordered from most complex to simplest?
A. heart cells, heart tissue, heart, circulatory system
B. heart tissue, heart cells, heart, circulatory system
C. circulatory system, heart, heart cells, heart tissue
D. circulatory system, heart, heart tissue, heart cells
The diagram shows a swinging pendulum.
A pendulum hanging from a bar is shown in 3 positions. 1 is swung to the right, 1 to the left, and 1 in the middle. Solid lines connect the bob to he support in the right and left positions. A dotted line connects the bob to the support in the center position. Dotted lines connect right, left, and center along the arc of the pendulum swing.
Which best explains what happens to the motion of the pendulum due to the law of conservation of energy?
The mechanical energy transforms to thermal energy as the pendulum slows and eventually stops moving.
The mechanical energy disappears as the pendulum slows and eventually stops moving.
The pendulum will continue moving at the same speed until someone stops it because energy cannot be destroyed.
The pendulum will slow down but will never stop moving because energy cannot be destroyed.
Answer: Don’t listen to the other person, B is incorrect. A is the correct answer.
Explanation: The law of conservation of energy states that energy cannot be created nor destroyed. B says that the mechanical energy disappears, but this is wrong. It changes into another energy, but the energy doesn’t disappear.
What happens to the motion of the pendulum due to the law of conservation of energy is that the mechanical energy transforms to thermal energy as the pendulum slows and eventually stops moving. Option A.
What does the law of conservation of energy state?The Law of Conservation of energy says that the amount of energy in an isolated system remains always the same, it does not increase nor decrease.
However, energy can be transformed and converted from one form of energy to the other.
Energy can not be created nor destroyed, it just changes from one form of energy to another.
This Law is, basically, giving us the answer to the question.
In the exposed example, the pendulum moves, and as it does it loses a part of the mechanical energy due to friction in the mechanical elements.
This lost mechanical energy is turned into the form of thermal energy.
Eventually, the complete transformation of mechanical energy into thermal energy causes the pendulum to stop.
The best explanation of what happens to the motion of the pendulum due to the law of conservation of energy is that the mechanical energy transforms to thermal energy as the pendulum slows and eventually stops moving.
You will learn more about the law of conservation of energy at
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Drag the tiles to the correct boxes to complete the pairs. Match the descriptions to the correct type of fungi. has positive and negative mating strands has erect fruiting body the first fungi to evolve lives in a varied habitat and exhibits all forms of nutrition chytrid arrowRight common mold arrowRight sac fungi arrowRight club fungi arrowRight
Answer:
Fungi are unicellular or multicellular eukaryotic organisms that are dependent for their energy and food on dead organic material or other organisms. These organisms produce by both sexual and asexual reproduction.
1. club fungi show a bipolar mating system as they have positive and negative mating strands.
2. sac fungi have an erect fruiting body filled with asci.
3. The chytrids have a cell wall of chitin, a flagellum, absorptive structures for nutrition therefore have a lineage.
4. The common molds grow in the form of hyphae and shows all for of nutrition and live in every possible habitate.
hope this helps you! :)
Which description best contrasts meiosis and mitosis?
Meiosis occurs during sexual reproduction, whereas mitosis occurs during cell reproduction.
Meiosis involves the duplication of cells, whereas mitosis involves the growth of cells.
Meiosis happens in most animals, whereas mitosis only happens in humans.
Meiosis repairs old cells, whereas mitosis encourages new cells to grow.
Answer:
Meiosis occurs during sexual reproduction, whereas mitosis occurs during cell reproduction.
Explanation:
meiosis occurs in sex cells (gametes) while mitosis occurs in body cells (somatic cells)
DNA molecule is composed of long chains of repeating subunits called
Which statement is not true about the main ingredient of the cell -- water?
a). Water surrounds the cell which helps insulate your body
b). Water makes up more than 75 percent of a cell
c). Water helps your body maintain a stable internal environment (homeostasis)
d). Water helps make salts
Answer:
d. water helps make salt
which led to the development of Penicillina??
Answer:
Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming as a crude extract of P. rubens. Fleming's student Cecil George Paine was the first to successfully use penicillin to treat eye infection (ophthalmia neonatorum) in 1930.
Explanation:
Answer:
Is that you?????
Explanation:
Answer all these using the lytic and lysogenic cycles. 25 points
What position is the
switch in? Why?
What term is used to
describe the virus
particle in this cycle?
What is the impact on
the cell?
What happens to the
host cell’s DNA?
When does the birth
of new viruses occur?
What happens at the
end of the cycle?
Answer: Ok so i answer every one that has a question mark?
Explanation:
Which sentence describes a disadvantage of using nuclear fision to produce
electricity?
A. Fission changes one type of atom into another type of atom,
B. Fission produces only a small amount of energy
c. Uncontrolled fission reactions can result in dangerous explosions,
O D. Fission requires conditions that exist only in the cores of stars.
Answer is C
Answer:
C. Uncontrolled fission reactions can result in dangerous expolosions
Explanation:
The sentence describes a disadvantage of using nuclear fision to produce electricity is uncontrolled fission reactions can result in dangerous explosions. Thus, option C is correct.
Why nuclear fission is different from nuclear fusion?The two ways that nuclear fission is different from nuclear fusion include are the nuclear fission involves one large atom splitting into two smaller atoms and nuclear fission releases a huge amount of energy as the nuclear fusion involves the combination of two or more atoms while Nuclear fission involves one large atom splitting into two smaller atoms.
They both take place in the nucleus of the atom and can be used to generate electricity. They both release energy with the process of nuclear fusion releasing more than nuclear fission.
Fission produces only a small amount of energy and uncontrolled fission reactions can result in dangerous explosions as the Fission requires conditions that exist only in the cores of stars.
Therefore, The sentence describes a disadvantage of using nuclear fision to produce electricity is uncontrolled fission reactions can result in dangerous explosions. Thus, option C is correct.
Learn more about nuclear fission on:
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5-Which of the following orientations of phospholipids best represents the
phospholipid bilayer of the plasma membrane? Explain your choice
A.
B.
C.
D.
Answer:
A
Explanation:
Option A is the orientation of phospholipids that best represents the phospholipid bilayer of the plasma membrane.
The phospholipid bilayer (the lipid layer) is known to be a thin polar membrane. It is usually made of two layers of molecules that are lipids. These are flat sheets which actually form a continuous barrier around the cells.
The phospholipid is a lipid which is made up of glycerol, two fatty tails and the head is phosphate-linked. The tails point inward and are arranged in a way called phospholipid bilayer.
Phospholipids are great for building the protective barrier around the cell of the body.
Can yeast digest milk?
Answer:
Yeast do not have the lactase enzyme and cannot break down lactose. If you add lactaid, lactose will be broken down into glucose and galactose, which can be used by the yeast.
Explanation:
Hope this helped =>
Common symptoms of iron deficiency anemia muscle weakness, shortness of breath, and lightheadedness. Why does iron deficiency cause these symptoms?
Answer:
If your body lacks iron, it becomes difficult to make hemoglobin, because iron is needed to make that protein in order for oxygen to be carried around to your tissues and muscles.
When a thin plant or animal leaves an impression in sediment that becomes sedimentary rock, this is a _____________________ fossil.
Answer:
Petrified fossils
Explanation:
___________
A. All fish
B. Hermaphrodites
C. Only female snails
are organisms that can change sex in order to reproduce
Answer:
B. Hermaphrodites.
I don't have enough text to submit this
Question 20
A material is biodegradable if
A
it is made of synthetic material.
B
it is made from petroleum or natural gas.
it can be broken down by biological processes.
D
if can be disposed of in a landfill.
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Answer:i think its b im not sure dont do b wait till someone else sees it
Explanation:
Answer:
B. "Scientist theories are based on large amounts of evidence."
I hope this helps you! :D
Explanation:
Theories are put into action once large amounts of research and evidence can be provided to prove a theory. Scientists especially need lots of evidence in order to prove a point and their theory.
Linnaeus classified organisms into two kingdoms. How was his system of classification impacted after the invention of the microscope?
Answer:
A is the answer
Explanation:
This is where the genetic information is found in a eukaryotic cell?
Answer:
nucleus
Explanation:
Holds about everything
Answer:
The genetic information in a eukaryotic cell can be found in the nucleus.
Explanation:
Hope this helps!
what is the formula for the name magnesium iv sulfide
Answer:
Mn(SO4)2
Explanation:
none, but pls give brainliest
Answer:
Mn(SO4)2
Explanation:
Which of these events does not occur during telophase?
Answer:
A, the chromosomes dont ¨relax¨.
Explanation:
Chromosomes during telophase are doing all exept A
The event that does not occur during telophase is cytoplasm splitting into two, which is in the second option, because this phenomenon occurs after telophase, which is in the cytokinesis of the cell cycle.
What is the function of telophase?Telophase is the final stage of mitosis/meiosis and follows the stages of prophase, prometaphase, metaphase, and anaphase, during telophase, the chromosomes start to decondense and become less visible under the microscope, as they are no longer tightly packed together, and a new nuclear envelope begins to form around each set of chromosomes, creating two separate nuclei. There is no cytoplasmic division in the telophase.
Hence, the event that does not occur during telophase is cytoplasm splitting into two, which is in the second option.
Learn more about the telophase here.
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Two tubes A & B were set up as shown above. Both tubes were left indoors for 50 minutes and then taken outdoors for another 50 minutes. The tubes were weighed every 10 minutes. The table shows the results obtained.
Answer:
Explanation:
Question A
Evaporation happens because fast moving molecules break out of the surface of the water. The fact that there is part of a plant in the water means that the water travels up to the leaves where it evaporates. There are two sources of evaporation in test tube A and only one in B.
Question B
The Cotton plug in the top of the test tubes slows the process down. There are still molecules that are escaping but the cotton absorbs them especially in test tube B. The molecules are free to go in test tube A. They make their way to the leaves where they evaporate.
Part C
You'll have to do the rest of this yourself. The graph for Test Tube A should be less (closer to the x axis) than B.
The rest of the answers are explained in A and B
Consider a population of 100 annual wildflowers, some yellow, some red. It is like other real populations, its gene pool is changing. For each of the scenarios below state which of the Hardy-Weinberg conditions the population deviates from, and explain what agent of microevolution causes the gene pool to change
Answer:
From normal to hybrid or different state.
Explanation:
According to Hardy-Weinberg conditions, the population deviates from present state to hybrid because of the change of gene pool. Genetic drift, natural selection and mutation are considered as agent of microevolution that is responsible for the change in gene pool. If the change in gene pool occurs the form and structure of population of organisms has to be change in its appearance.
What happens right before transcription begins?
O A. mRNA is produced from nucleic acids.
O B. The transcription process stops.
O C. RNA polymerase is guided to the correct place.
O D. DNA is produced from the mRNA.
Answer: a
Explanation:
How specialized structures increase the probability of successful reproduction in the plants, and factors that affect their growth?
Answer:
Specialized structures such as
1. The brightly colored flowers attract insects that transfer pollen from the anther to the stigma of another plant.
2. The scented smell of flowers and their nectars also attract insect and other pollinators to them.
Explanation:
Reproduction refers to the way by which plants and animals produce offspring or their types. Pollination, which is the transfer of pollen grains from the anther to the stigma of the same or another flower is a vital way by which plants accomplish this.
Structures of plants such as their brightly colored flowers, the nectars produced by them, as well as their characteristic smells attract pollinators to them that, in turn, aid reproduction.
4. If one strand of DNA has the sequence of nitrogenous bases AACTG, its complementary strand has the sequence _______.
A. TTGAC
B. AACTG
C. UUBAC
D. AACUC
11. What is a mutagen?
A. a type of base pair mutation
B. the cellular response to a detected mutation
C. any type of protein mutation
D. anything that causes a DNA mutation
12. Which of the following is NOT an example of a mutation?
A. the removal of a base pair
B. the copying of a base pair
C. the replacement of a base pair
D. the addition of a base pair
HI, can someone help me plz.
Answer:
XHXh × XHY
XHXH XHY XHXhXhY
XCXC × XcY
XCXc XCY XCXc XCY
Colour blindness is a sex- linked recessive disease. It is inherited by the X chromosomes.
) Veins have different structures from arteries. State two features of veins and explain how these features enable them to function efficiently.
Answer:
1)Carrry Blood towardsthe heart .
2) most carry deoxygenated blood .
3) help keep blood flowing towards the heart .
