Describe the steps of Meiosis I and Meiosis II.
Answer:
Hello
Explanation:
Overview of the Stages of Meiosis
Interphase. There are two stages or phases of meiosis: meiosis I and meiosis II. Before a dividing cell enters meiosis,...
Prophase I. Chromosomes condense and attach to the nuclear envelope. Synapsis occurs (a pair of homologous chromosomes...
Metaphase I. Tetrads align at the metaphase plate. Note that the centromeres of homologous...
Hope This Helps!!
3. Which of the following is a defining characteristic of a prokaryotic cell?
a. The method of cellular Respiration
b. The composition of the cell membrane
C. Absence of a membrane-bound nucleus
d. The method of movement
Answer:
C
Explanation:
Prokaryotic cells do not have any membrane-bound organelles, only eukaryotes do.
The prokaryotic cell is a simple primitive cell, unlike the complex eukaryotic cells. The absence of a membrane-bound nucleus is a characteristic of prokaryotes. Thus, option C is correct.
What is a prokaryotic cell?Prokaryotes have been the cells that have lived on earth for millions of years ago. They are made of single cells and hence are unicellular. Unlike the eukaryotic cell, they have simple mechanisms of living and reproduction.
They lack a centrally located defined nucleus that is not covered in any membrane and lies simply in the cytoplasmic material. Also, they lack organelles that make them different.
The genetic material is located in a concentrated form in a structure called the nucleoid that lacks a nuclear membrane.
Therefore, option C. the prokaryote lacks a membrane-bound nucleus.
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100 g of a mystery metal at 250 C is added to 400 mL of water at 15 C. The final temperature of the system is 15.9 C. What is the heat capacity
of the mystery metal?
(PLEASE HELP need the answer by 10/21/20
11:00pm)
Answer:
c = 0.064 j/g.°C
Explanation:
Given data:
Mass of metal = 100 g
Initial temperature of metal = 250°C
Volume of water = 400 mL
Initial temperature of water = 15°C
Final temperature = 15.9°C
Heat capacity of metal = ?
Solution:
First of all we will calculate the heat lost by metal into water.
ΔT= 15.9°C - 15°C
ΔT= 0.9 °C
q = mcΔT
q = 400 g× 4.184 j/g.°C × 0.9 °C
q = 1506.24 j
Specific heat capacity of meta;
ΔT = 15.9°C - 250°C
ΔT = -234.1 °C
q = mcΔT
-1506.24 j = 100 g× c × -234.1 °C
(negative sign with q value indicate heat is lost by metal)
-1506.24 j = -23410 g.°C × c
c = -1506.24 j /-23410 g.°C
c = 0.064 j/g.°C
How many people have you sacrificed to floor gang?
Answer:
85
Explanation:
I lost count after 738
I'm pretty sure it's well over a thousand but I can't be sure
Which of the following does NOT describe an acute injury?
over-stretching a muscle
popping a joint out of place
breaking an arm or leg bone
developing lung cancer
Answer:
developing lung cancer
Explanation:
i got it right on the assignment
Answer:
Developing lung cancer
Explanation: Edge 2021
Which step is the beginning of photosynthesis?
Answer:
light dependant reactions
Explanation:
Photosynthesis is carried out by green plants. The initial step of photosynthesis is the photolysis of water. This is a part of the light reaction.
What is photosynthesis?Photosynthesis is completed in two steps: the light-dependent reaction and the light-independent reaction. The sun is required for the light-dependent reaction. Two photosystems are involved in the light reaction. Light reaction starts from photolysis of water.
The reaction starts at photosystem II (PSII). At this site, the photolysis of water takes place. As a result, sunlight causes the water to break and electrons to be released. This electron moves to plastoquinone. During the electron movement, protons are pumped to the thylakoid lumen.
From the plastoquinone, an electron moves to the cytochrome complex and then to the PSI complex through plastocyanin. From the PSI complex, the electron moves to NADP reductase to form NADPH. All the protons present in the lumen move through the ATP synthase complex, and ATP is produced. The journey of electrons starts with the photolysis of water.
Hence, photosynthesis starts with the breakdown of water molecules.
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A. Is the suspect guilty of the crime? B. How do you know?
WILL MARK BRAINLIEST FOR COMPLETE AND CORRECT ANSWER!
Answer:
A: yes
Explanation:
B: Sample three is a mixture of the suspect and victims. Putting it simply, if you line up the victims DNA and remove it from sample 2 you are left with a sample of DNA that is identical to the suspects.
Describe the relationship between photosynthesis and cellular respiration.
Answer:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Explanation:
An ecosystem is defined as a collection of living things interacting with other living things
True or false?
Answer:
true
Explanation:
Answer:
TRUE is the correct answer....Thank you ☺️☺️
If a person combat the disease without a vaccine introduced to his body,such immunity is known as
natural active immunity
natural passive immunity
Artificial active immunity
artificial passive immunity
Answer:natural active immunity
Explanation:lol it took too long
what do you think is a way for geologist to locate ore bodies? justify your answer
Answer:
Explanation:
what do you think is a way for geologist to locate ore bodies? justify your answer
From my research, there is lots of information on how to extract ore, but I can't find any information on how these ore deposits are found in the first place, apart from 'looking for surface formations'. So, what kind of formations would exist for different types of ore? Are there any other ways of finding ore?
What are the disadvantages of polygamous in animals
Answer:
The principal disadvantage of monogamy is a lack of variety. Monogamy has the potential to lead to routine, and possibly boredom. People often equate excitement in a relationship with the ability to be with a number of individuals, potentially as part of an open or sometimes polyamorous relationship.
Explanation:
Pls help me for brainliest
Answer:
b new experiments will be conducted until evidence supporting the accepted theories is obtained
Answer:
C. The accepted theory will be revised or replaced
Cells which form pathways to and from the brain are _______.
epithelial
neurons
connective
Why are plants in the alpine biome typically low growing?
a
Answer:
They have limited access to nutrients
Explanation:
I guess you forgot to but the answer choices, but that's okay!!!
Answer: Because The soil in the alpine biome is rocky and nutrient poor. Plants that live in the alpine biome must be suited to the nutrient poor soil.
Explanation: They take longer to grow because of there environment
how much pontential is at the top of a roller coaster
Answer:
Depends on What kind of roller coaster
Explanation:
Because there are no exact high given the answer is not fully complete
but the higher the roller coaster is-the more potential energy
btw: you spelled Potential wrong
also i hope this helps
What type of cell is shown in the diagram above? Explain your answer.
Answer:
Plant Cell
Explanation:
It is shaped like a rectangle and has a huge vacuole which is the biggest thing in a plant cell. Your welcome :)
8.The advantage of light microscope over electrons microscope:
Ait doesn't require electric relay
Bit is easier to move from place to place
Cit is so expensive
DA and B
Answer:
may be D is the right answer because
electrons microscope it not easy to handle and so expensive but light microscope is easy to handle and less experience
What does it represent?
Answer:
3
Explanation:
The arrows show the transfer of energy through prey and predator. When the deer eats the leaves, energy from the plant is transferred to the deer.
The images show sets of organisms with their offspring.Which of these offspring are clones of their parents?Help
Answer:
I think its A.2
Explanation:
Answer:
It’s three
Explanation:
what characteristics are affected by genetics?
Answer:
Well.
Explanation:
1. Weight
2. Height
3. Chronic Diseases
4. Skin color
5. Eye color
6. Race
7. Hair color
8. And the overall shape of your whole body (ie, head shape)
Answer:
The characteristics that are impacted by genetics are :
-The eye color
-The nose shape
-Hair color
-Face shape
-Skin color
-And any type of beauty mark someone has
5. Which of the following statements best describes the response of finches to drought on the Galapagos Islands?
O A During drought, individual finches saw that large, hard seeds were the only available food. To crack these harder seeds, individual finches grew their beaks
larger, resulting in an increased average beak depth
OB During drought, finches struggled to open harder seeds All the scraping and pecking wore down their beaks, resulting in a reduced average beak depth
OC. During drought, only finches with larger-than-average beaks were able to crack the hard seeds that were available. These finches survived while smaller-
beaked finches died, resulting in an increased average beak depth in the population
O D. During drought, finches with smaller beaks (and smaller bodies) had an advantage. With reduced food supplies, larger finches (with larger beaks) were
more likely to starve. The result was a decrease in average beak depth
Answer:
it is c got it right on the quiz
Explanation:D hope this helps
A. During drought, individual finches saw that large, hard seeds were the only available food. To crack these harder seeds, individual finches grew their beaks larger, resulting in an increased average beak depth
How large beak finches survive drough condition?During drought, finches with larger beaks survive because they were able to crack the hard seeds that were available in the drought situation while on the other hand, the smaller beaked finches died due to unavailability of food which result in an increased average beak length in the population.
So we can conclude that option A is the right answer.
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How would you describe the difference in the motion of the sled from when the people first start pushing to when the sled is halfway down the hill?
The difference in the motion of the sled from when the people first start pushing to when the sled is halfway down the hill will be described as after starting off much more slowly, it picks up speed significantly by the bottom of the slope.
At the top of the hill, a sled has pushed itself. If we then apply a tiny push, the sled's initial speed will be 0, indicating that the sled's only starting energy is gravitational potential energy. Therefore, assuming there is no friction, the sled's greatest height will be equal to its initial brightness. So the slides will never make up for a bump that is higher than its starting point. The sled's highest point is equal to its initial height because of the rule of conservation of mechanical energy. The sled will never make it up if they restrict it if the friction is seated.
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Need answer ASAP!!
Which describes a species?
A. organisms that live in the same area
B. organisms that breed and produce fertile offspring
C. organisms that look similar
Answer:
B
Explanation:
organisms that breed and produce fertile offspring
Answer:
B. organisms that breed and produce fertile offspring
Explanation:
Verified correct with test results.
BEST ANSWER WILL GET BRAINLIEST!
Skin cells,
A: Have terminally differentiated
B: Become quiescent quickly
C: Become senescent quickly
D: Continually replicate
Which type of cell undergoes terminal differentiation?,
A: Stem cells
B: Epithelial cells
C: Hair cells
D: Heart cells
DNA replicates in the,
A: Cytoplasm
B: Cell membrane
C: Endoplasmic Reticulum
D: Nucleus
Which of the following might affect gene expression in a complex organism?,
A: The cells adjacency to other kinds of cells
B: The number of chromosomes being copied
C: The amount of time a cell takes to replicate
D: The ability to reverse terminal differentiation
What replicates during mitosis?,
A: Cytoplasm
B: Proteins
C: Organelles
D: DNA
Answer:1B 2.D 3.D 4.C 5.D not sure about 4 and 5 but the rest are right
Explanation:
Answer:
(Not using letters as they vary)
1. Skin cells...
become senescent quickly.
2. Which type of cell undergoes terminal differentiation?
Heart cells
3. DNA replicates in the...
Nucleus
4. Which of the following might affect gene expression in a complex organism?
The types of cells near the site
5. What replicates during mitosis?
cells
Explanation:
Hope this helps :D
one of your friends says that heart disease is mostly inherited from your parents and grandparents and you cant do anything about it. Another friend says that it is caused by environment factors that you can control. What do you think? Explain your answer.
Answer:
Well, it can be both.
Explanation:
So for the parents and grandparents, It can be a genetic thing. Where your previous family members have had it and have passed it down. And for the environment thing, well, somethings can cause heart diseases like a disease on a wild animal or a foreign plant or drug can make your heart get a disease.
What is the purpose of Mitosis? *
A. To produce an egg and a sperm cell.
B. To produce a new organism (like bacteria).
C. To produce a new cell (NOT a new organism).
D. To differentiate.
Answer:
C.
Explanation: Mitosis is a process where a single cell divides into two identical daughter cells (cell division). During mitosis one cell? divides once to form two identical cells. The major purpose of mitosis is for growth and to replace worn out cells.
Hope this helps! Have a nice day!
Answer:
C. to produce a new cell
Explanation:
Mitosis consists in replicating the genetic material of a mother cell in order to make two identical daughter cells; this is a diploid process. In order to make an egg or sperm cell and eventually a new organism, the correct process would be meiosis, since it combines the DNA between two cells and it is an haploid process.
What is located outside of the center of the atom?
Answer:
Nucleus
Explanation:
Protons and neutrons are found in the nucleus.
What is the approximate diameter of the Zika virus?
Enter the correct 4 digit code (no spaces)
Answer:1243
Explanation:
Answer:
4123
Explanation:
I'm working on the same except mine says level two