Chromosomes are made of protein & a long, single, tightly-coiled DNA molecule. During the S phase of interphase, the DNA, which makes up the chromosome makes copies of itself. Each half of the chromosome is called a ______________, which is held together by a centromere.

Answers

Answer 1

The correct answer is chromatid

Answer 2
the answer is chromatid

Related Questions

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Which part of a flower grows into a seed?

pollen
egg cell
ovule
anther

Answers

Answer:carpels

In flowering plants, the female reproductive structures that produce seeds are contained within the carpels of the flower. A carpal consists of the stigma, style and ovary. The ovary contains ovules (eggs) that become seeds once they are fertilized.

Explanation:

how does the nervous system help the excretory system maintain homeostasis?

Answers

Answer:

The nervous system maintains homeostasis by controlling and regulating the other parts of the body. A deviation from a normal set point acts as a stimulus to a receptor, which sends nerve impulses to a regulating center in the brain.

Explanation:

The nervous system keeps the body in a state of homeostasis by controlling and regulating excretory system.

What is Homeostasis?In a broad sense, homeostasis refers to a system's stability or balance. It's the body's endeavor to keep its internal environment consistent. Internal environment stability necessitates regular monitoring and modifications as conditions change. Homeostatic control refers to the balancing of physiological systems within the body.

How does nervous system regulates homeostasis?Because the nervous system does not store nutrients, it must get them from the bloodstream on a regular basis. Any disruption in blood flow might result in brain injury or death.The nervous system keeps the body in a state of homeostasis by controlling and regulating the other organs. A variation from a regular set point stimulates a receptor, which transmits nerve impulses to a brain regulating area.

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Which of these statements are true about physical medicine? Check all of the boxes that apply.

Physical medicine treats heart disease.

A common subspecialty of physical medicine is geriatric care.

Physiatrists operate on joints such as the knee and ankle.

Physiatrists recommend and fit leg braces.

Answers

Answer:

Physiatrists operate on joints such as the knee and ankle.

A common subspecialty of physical medicine is geriatric care.

Physiatrists recommend and fit leg braces.

Explanation:

Physiatrists treat a variety of medical conditions that affecting the brain, spinal cord, nerves, bones, joints, ligaments, muscles, and tendons etc. Physiatrists main aims to enhance and restore the functional ability of muscles and organs of those people who passes through physical impairments or disabilities. With this physical medicine people live a long and healthy life.

Answer:

2 and 4

Explanation:

Got it right edg

What is the sequence of the complementary strand for the DNA shown above?


hurry please

Answers

Answer:

either of the two chains that make up a double helix of DNA, with corresponding positions on the two chains being composed of a pair of complementary bases. a section of one nucleic acid chain that is bonded to another by a sequence of base pairs.

Is baking soda organic or inorganic explain why?

Answers

Answer:

Inorganic

Explanation:

Baking soda can be found as a naturally occurring compound, but is more frequently manufactured from other naturally derived materials, like trona ore. Baking soda can be produced by the reaction of carbon dioxide and soda ash, a naturally occurring mineral. To my knowledge there is not an “organic” baking soda.

Which refers to the sum of all the forces that act upon an object?

A. net force

B. absolute force

C. balanced force

D. positive force

Answers

Answer:

Net force

Explanation:

Net force is the vector sum of forces acting on a particle or body. The net force is a single force that replaces the effect of the original forces on the particle's motion. It gives the particle the same acceleration as all those actual forces together as described by the Newton's second law of motion.

Answer:

net force

Explanation:

what is an energy transformation?​

Answers

Answer: Energy transformation is the process of changing energy from one form to another.

Explanation: Remember that energy cannot be created nor destroyed but it can be transferred or changed from one form to another. For example, chemical to mechanical or electrical to thermal.

If an oceanic plate and continent plate converge, which plate will sink?

Answers

Answer:

When an oceanic and a continental plate collide, eventually the oceanic plate is subducted under the continental plate due to the high density of the oceanic plate. Once again a benioff zone forms where there are shallow intermediate and deep focus earthquakes.

Explanation:

Is the troposphere high or low and what is the temperature there only answer if you know it

Answers

Answer: High

Explanation:

The average temperature of the troposphere is 62°F (17°C), Pls give thanks because I got hack

Name 3 macro elements that are needed for formation of chlorophyll and 2 deficiency symptoms each of those elements when they are missing (Will mark brainliest)​

Answers

answer:

carbon,hydrogen,and oxygen

explanation;


For each codon, find the correct tRNA anticodon and drag it to the ribosome. Start with the AUG codon
in the ribosome. Find and drag its match, the UAC anticodon, to it. Also, record this pair and the
associated amino acid, Met, to complete the first row of the data table.
PLEASE HELP I DONT KNOW HOW TO DO THIS AT ALL

Answers

So A matches with U and C matches
With G. If you need more
Help then go to comments

Drag the correct tRNA anticodon into the ribosome. Therefore, A matches U and C matches G.

What is the UAC anticodon?

The Ribosome Workbench uses the AUG codon as a universal signal to initiate translation. Because the methionine-bound tRNA has the anticodon sequence UAC, the AUG start codon signals the ribosome to insert into the amino acid methionine.

What is the correct tRNA anticodon for the mRNA codon 5 GGA 3?

1 One codon is 5'-ACG-3'. What is the sequence of tRNA anticodons that bind? Which amino acids does tRNA have? The sequence of the tRNA anticodon is 3'-UGC-5', and the tRNA has the amino acid Thr, the amino acid encoded by the codon.

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How does soil erosion affect streams and rivers?

Answers

Explanation:

The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding.

What are common changes
In an environment?

Answers

Answer:shelter, land, prey

Explanation:

Changes? Do you mean like temperature and humidity

Explain why the legs of cats and grasshoppers are considered analogous.

2. Explain why the legs of cats and flippers of whales are considered homologous.

3. Explain how this diagram shows that cats and whales are more closely related than either is to an insect.

Answers

Answer:

2)Homologous Structures Humans Share With Animals

A dolphin's flipper, a bird's wing, a cat's leg, and a human arm are considered homologous structures. ... This structure serves as evidence of having a common ancestor, one that would have had a tail. All mammals share the homologous structure of the vertebrae in common.

3)WHERE IS THE DIAGRAM

Explanation:

List four characteristics of plants.

Answers

Answer:

1. Plants produce their own food.

2. Plant cells have a cell wall.

3. Plants reproduce with spores and sex cells.

4. Plants have a vascular system.

Explanation:

Here is four characteristics plants have.

Plants produce food through photosynthesis so I included that here.

Hope this is correct, have a great day.

When does
transcription
happen?

Answers

Answer:

Transcription begins when RNA polymerase binds to a promoter sequence near the beginning of a gene (directly or through helper proteins). RNA polymerase uses one of the DNA strands (the template strand) as a template to make a new, complementary RNA molecule. Transcription ends in a process called termination.

Explanation:

Transcription Initiation. The first step in transcription is initiation, when the RNA pol binds to the DNA upstream (5′) of the gene at a specialized sequence called a promoter (Figure 2a). In bacteria, promoters are usually composed of three sequence elements, whereas in eukaryotes, there are as many as seven elements ...

when RNA polymerase binds to a promoter sequence near the beginning of a gene

a device that is held in your hand to transmit and recieve verbal communication is called

Answers

Answer:

radio maybe?? could also be cellphone lol

Explanation:

What will happen to the rate of
photosynthesis if a plant stops receiving
water?
A. The rate will increase.
B. The rate will decrease and eventually stop.
C. The rate will be unaffected.

Answers

The answer is B. Not A or C. B. Now go get it right

Answer: B. The rate will decrease and eventually stop.

Explanation:

Which of the following statements explains why plants are essential to the carbon cycle?

Answers

Answer:

Plants absorb carbon dioxide, water and sunlight to make their own food, grow and release oxygen through photosynthesis. They're a huge part in keeping our air clean.

Explanation:

Hope this helps.

1. Describe the process of photosynthesis using the reaction for photosynthesis

2. What are the two sets of reactions of photosynthesis studied in class?

3. Which reactants and which products enter and are produced in which one of the
two sets of reactions?

4. What is NADPH, what is its function and what is actually carrying?​

please I need help it due at 2:00
asap plz

Answers

Answer:

1. if you are talking about the formula its this: 6CO2 + 6H2O → C6H12O6 + 6O2

2. the light-dependent reactions and the Calvin cycle.

3.  The photosynthesis chemical equation states that the reactants (carbon dioxide, water, and sunlight), yield two products, glucose, and oxygen gas.

4. As in other reactions, NADPH helps carry electrons and protons driven by sunlight into new carbon-carbon bonds, creating sugar molecules. NADPH is often kept at a higher concentration in the cytosol than NADP+, to allow for the easy reduction of small molecules into larger macromolecules.

Explanation:

I really hope this helps:)

4. Choose the microscopy technique that would best fit the needs of each scenario.

Scenario 1: Scientists are attempting to identify the specific type of leukemia a person has based on cell surface structures. ___

Scenario 2: Researchers are studying chemotaxis in white blood cells. Chemotaxis is the movement of living cells in response to a particular substance. ___

Scenario 3: Cell biologists are interested in measuring the distance between the inner and outer nuclear membranes, and need an instrument capable of producing images where the tiny distance between these two membranes is clear. __

Answers

Answer: Scenario 1: SEM

Scenario 2: Light

Scenario 3: TEM

Explanation:

The technique applied to observe and analyze objects that cannot be seen with the bared eye is called the microscopic technique.

1. The technique used will be SEM. A scanning electron microscope (SEM) is used to generate an image on the individual surface with the help of electron lasers.

It is useful in apprehending cell surface fabrication and topography.

Therefore, to study the cell surface structure of leukaemia SEM is best.

2. The light microscopy technique can be applied to study chemotaxis.

When there will be a movement in the living cell due to response towards chemical then the light microscope can be used to visualise the cells.

Therefore to study chemotaxis light microscopy should be employed.

3. The transmission electron microscope (TEM) method can be used to know the gap between the inner and outer layers. They are used for observing very thin segments of specimens.

Through the thin fragments, the electron flows easily and the image is produced.

Therefore, TEM should be used by scientists to measure the distances.

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NEED ANSWERS IN 5 MINUTES, PLEASE

List two examples of diffusion in living organisms

Answers

One example of diffusion is something you're probably familiar with, breathing. Oxygen diffuses into your blood when you breathe.

Another example is Osmosis, where plants take up nutrients from the soil and distribute them throughout their system.  

You rush through your lab activity and obtain a percent error of 50 percent. Why might your percent error be so high?

Answers

Explanation: Can you be more specific with that plz?

Chromosomes are found in the ______________ of a cell and carry genes.

organelles
nucleus
mitochondria
cytoplasm

Answers

Answer: nucleus

Explanation:

5. What are the building blocks of lipids?
A) Nucleic acids
B) Triglycerides
C) Amino acids
D) Glucose

Answers

Answer:

Its A

Explanation:

Nucleic acid

The answer to this question is A. Nucleic Acids

a cell is placed in a isotonic solution. How does the cell maintain homeostasis in the environment ?

Answers

Answer:

If a cell is placed in an isotonic solution, there will be no net flow of water into or out of the cell, and the cell's volume will remain stable. If the solute concentration outside the cell is the same as inside the cell, and the solutes cannot cross the membrane, then that solution is isotonic to the cell.

Explanation:

What is circulatory system? Name its main organs.

Answers

Answer:

the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, blood, lymph, and the lymphatic vessels and glands.

The circulatory system is composed of the heart and blood vessels, including arteries, veins, and capillaries.

Explanation:

ASAP!!!!!!! I NEED HELP
Why are there two sets of phases during meiosis, but only one during mitosis? Think about what is different about meiosis and mitosis


Answer correctly or I will report

Answers

Answer:

Cells undergoing mitosis just divide once because they are forming two new genetically identical cells where as in meiosis cells require two sets of divisions because they need to make the cell a haploid cell which only has half of the total number of chromosomes.

Explanation:


A certain atom has 26 protons, 26 electrons, and 30 neutrons. Its mass
number is

Answers

Answer:

The mass number is 56

Explanation:

You just add the number of protons and neutrons to find the mass number of a atom.

The answer is 56 hope this helps

Chemicals and proteins in the cell read the DNA ___________ for building that make cells, tissue and organs.
(A.Instructions
(B.Genes
(C.Recipe
(D. Life manual

Answers

You answer will be B!! Good luckkk!

Genes of DNA can be read by chemicals and proteins for building that can make cells, tissue, and organs. Therefore, option "B" is correct.

What are genes?

Genes are composed of  DNA which is the genetic material. Gene is the functional unit of heredity. Chromosomes are comprised of multiple genes. Genes code for a particular trait. More than one gene can code for a particular trait.

The function of DNA and RNA is controlled by genes. There are more than 3000 genes present. Mutation can occur in genes. Deletion and insertion are some types of mutation genes. Transposomes are called jumping genes. Sickle cell anemia and cystic fibrosis are some examples of gene mutations.

Genes code for the traits such as the color of eyes, height quality of hair, and more.

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