1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
ad-work [718]
2 years ago
12

You look at the cell under a microscope and see that it has 34 body chromosomes and one nucleus. Second view: Several hours late

r, you look at the same cell again and see that it has double the amount of DNA and one nucleus. Third view: A little while later, you see that it has one cell with 68 chromosomes and two nuclei. What stage of the cell cycle was this cell in when you viewed it at each time point
Biology
1 answer:
Roman55 [17]2 years ago
6 0
1st view --- G1 phase (growth)
2nd view --- S phase (synthesis)
3rd view --- M / cytokinesis phase (mitosis)
You might be interested in
although a fetus is relatively protected in the mothers womb a number of different toxins can harm the fetus
SCORPION-xisa [38]
Yes ur eight but there r certain products that can heurt the fetus
4 0
3 years ago
Explain the thermal properties of water
Zinaida [17]

Answer:

A glance of earth taken from space will depict it blue. This blue colour is actually water, the major part of the earth is covered with water. We need water for almost everything, for example- drinking, bathing, cooking etc and therefore we should know about the properties of water. 65 % human body is composed of water. Water is essential for the survival of life on earth. Water is distributed unevenly on the earth’s surface. It forms a major solvent and dissolves almost every polar solute. So let us have a look at its properties.

Physical properties of water : Water is a colourless and tasteless liquid. The molecules of water have extensive hydrogen bonds resulting in unusual properties in the condensed form. This also leads to high melting and boiling points. As compared to other liquids, water has a higher specific heat, thermal conductivity, surface tension, dipole moment etc. These properties form the reason for its significance in the biosphere. Water is an excellent solvent and therefore it helps in the transportation of ions and molecules required for metabolism. It has a high latent heat of vaporization which helps in the regulation of body temperature

Chemical properties of water: Amphoteric nature:

Water can act as both acid and base, which means that it is amphoteric in nature.

Example:

Acidic Behaviour: H2O(l)+NH3(aq) ⇌ H3O+(aq)+NH+4(aq)

Basic Behavior: H2O(l)+H2S(aq) ⇌ H3O+(aq)+HS−(aq)

Redox reactions:

Electropositive elements reduce water to hydrogen molecule. Thus water is a great source of hydrogen. Let us see an example in this case:

2H2O(l)+2Na(s)→2NaOH(aq)+H2(g)

During the process of photosynthesis, water is oxidized to O2. As water can be oxidized and reduced, it is very useful in redox reactions.

Hydrolysis reaction

Water has a very strong hydrating tendency due to its dielectric constant. It dissolves many ionic compounds. Some covalent and ionic compounds can be hydrolyzed in water.

Explanation:

7 0
3 years ago
During human gestation, rudiments of all organs develop A. in the first trimester. B. in the second trimester. C. in the third t
Y_Kistochka [10]

During human gestation, rudiments of all organs develop in the first trimester.

<h3>What is the first trimester?</h3>
  • Most people (including your doctors and midwives) divide a full-term pregnancy, which lasts about 9 months, into three 'trimesters'.
  • The first trimester of pregnancy is measured from the first day of your last period to week 12, even though you are pregnant from the moment of conception, when a male sperm fertilizes your ovum (egg), when you become pregnant.
  • This is so that the majority of women who conceive naturally won't be aware of the conception date.
  • Because the changes that occur to you and your unborn child fall into the three general categories of early, middle, and late pregnancy first, second, and third trimesters are a useful way to think about pregnancy.

Learn more about trimester here:

brainly.com/question/24174987

#SPJ4

5 0
2 years ago
In osmosis, water molecules move with the concentration gradient, therefore no energy is used. This is an example of:
olganol [36]

Answer:

The correct option is A. Inside of cell has more salt

Explanation:

When there will be more solute inside the cell than outside of the cell, then a concentration gradient will develop due to this uneven distribution. Water will move inside of the cell through a process known as osmosis. As the water molecules are moving along the concentration gradient, no energy will be used during this process.

The mechanism of osmosis is very essential in maintaining the turgidity of a cell.

4 0
3 years ago
What is another property of ionic compounds?
Nesterboy [21]

Answer:

They form crystals

They have high melting points and high boiling points

They have higher enthalpies of fusion and vaporization than molecular compounds

They're hard and brittle

They conduct electricity when they are dissolved in water

They're good insulators

Explanation:

i hope this is what you need

7 0
3 years ago
Other questions:
  • What patterns can be used to identify the ancestry line of an organism
    9·1 answer
  • Identify the muscle labeled "11." gracilis semitendinosus gluteus medius biceps femoris adductor magnus
    15·1 answer
  • The process in which sperm and egg cells join is called ____________________.
    5·1 answer
  • What are the 3 major functional units of a gene and what are their functions ?
    6·1 answer
  • If you isolate a single nucleotide from a nucleic acid and determine that the nitrogenous ring structure is cytosine (C), you co
    5·1 answer
  • The sum of the Genetic traits in a population is called its
    15·2 answers
  • A cell with 80 chromosomes undergoes meiosis. How many chromosomes are found in the daughter cells? How many daughter cells are
    6·1 answer
  • Which of the following would be made entirely of
    10·1 answer
  • Scientists have successfully inserted the human gene for insulin into bacteria.
    8·1 answer
  • When a warm front is approaching, what happens?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!