Chemistry Middle School

If a chromosome folds, how is transcription prevented?

Question 2 options:

The DNA region is easily accessible.


The DNA region is not easily accessible.


The RNA region is not easily accessible.


The RNA has already been made.

Answers

Answer 1

Answer:

The DNA region is not easily accesible.

Explanation:

Related Questions

Select all that apply.

Which items are properties of bases?

soapy
sour
bitter
slick
skin damage

Please

Answers

Answer:

soapy and bitter

Explanation:

This answer: Bitter and soapy

Which two changes of state can occur when a substance gains thermal energy A sublimation b depositation c condensation and d vaporization

Answers

Answer:

b

Explanation:

Answer:

A and D

Explanation:

I got it on my test

Describe how the Rube Goldberg device design that you created follows the law of conservation of energy. Be sure to include both parts of the law of conservation of energy in your description.

Answers

Rube Goldberg machines follows law of conservation of energy. In this machine when marble rolls down from top it has kinetic energy.
In this machine, a various instant kinetic energy is transferred into potential energy and vice-versa , so the total energy remain conserved. Thus Rube Goldberg machines follows law of conservation of energy. In this machine when marble rolls down from top it has kinetic energy.

The chemical formula for sulfuric acid is H2SO4. In one molecule of sulfuric acid, there are _____.

two atoms of helium
two atoms of oxygen
four atoms of oxygen
four atoms of sulfur oxide

Please help for my summer school, you can take your time (:

Answers

Answer:

four atoms of oxygen

Explanation:

two atoms of hydrogen

one sulphur atom

Four atoms of oxygen

Choose all the answers that apply.

Nitrogen has an atomic number of 7. Its atomic mass is 14. Nitrogen has _____.

seven electrons
seven neutrons
seven electron shells
23 neutrons
14 electrons

Please help (:

Answers

Seven electrons. The atomic number of a element is also the amount of protons and electrons it has.
As atomic Number is number of protons Or number of electrons so
N has 7 electrons
Neutrons= Mass no.- Atomic Number
= 14-7
N has 7 neutrons
N doesn’t have 7 electron shells because shell 1 can hold 2 electrons and shell 2 can hold 8 electrons
It doesn’t have 23 neutrons and 14 electrons

So, Seven Electrons and seven neutrons is correct

For her farm, Susan is interested in increasing the number of chickens that lay the most eggs per week. Many of the chickens on her farm lay 6 eggs a week. A few female chickens (hens) lay as many as 8 eggs per week, while other female chickens only lay 4 eggs per week. Describe what Susan can do to increase the number of eggs produced on her farm.

Answers

Answer:

Susan should probably Quality Feed the chickens.

Explanation:

Quality Feed has a special formula that helps the hens have more. It also makes them big. You don't have to go crazy with some cutting-edge feed that's guaranteed to make your chickens produce eggs the size of a garden gnome

I'm not sure this is the answer that you want so I'm sorry if it isn't

Susan should quality feed the chickens.

1. What is the affect of increasing the temperature of the water?
2. What happens when you add pollution to the water?
3. Can coral survive bleaching?
4. What is coral?

Answers

Answer:

1. lower levels of dissolved oxygen due to the inverse relationship that exists between dissolved oxygen and temperature

2. water pollution can cause water to become toxic to humans and the environment.

3. corals can survive a bleaching event but they are under more stress and are subject to mortality.

4. corals are marine invertebrates within the class anthozoa of the phylum Cnidaria.

Answer:

The answer to #1 is the water molecules spread out and move faster.

The answer to #4 is a tiny soft-bodied animal that typically lives within a stony skeleton grouped in large colonies

The magnetic field of an object exerts a force on any magnetic object around it.

True or False

Answers

Answer: True

Explanation: this is true

true it’s just true no explanation needed

Each element has a different:

number of protons and electrons
atomic mass and weight
Properties and characteristics
number of neutrons

Please take your time if needed!

Answers

Properties and characteristics

Answer:

(C.  Properties and characteristics.

Hope this helpos!

Explanation:

Sodium chloride (NaCl) is made from ___ of sodium (Na) and ___ of chlorine (Cl).

Blanks: One Atom and Two Atom

Answers

Answer:

one atom, one atom.

Explanation:

Sodium chloride is made from one sodium atom and one chlorine atom.

Sodium has a charge of +1,  Chlorine has a charge of -1. These cancel each other out leaving only one atom for both sodium and chlorine.

The correct answer is one atom for each space

Elements in the same group have _____.

the same number of electron shells
the same number of protons
similar chemical properties
the same number of isotopes

Answers

Answer:

Element in the same group have similar chemical properties.

the same number of electron shells

What are two results of the uneven heating of Earth's surface?

Answers

the uneven heating results in some of the atmosphere to be warmer than other parts and changes in volume and pressure which result in updrafts and can cause thunderstorms and other violent weather

tell me if its wrong !!

HELP ASAP. GIVING BRAINLIEST

Answers

Answer:

1) Pecan tree 1 and Pecan tree 4

2) I don't know

Explanation:

For example," "however," and "also" are examples of:

conjunctions

introductory words

nouns

adjective

Answers

Answer:

conjunctive adverbs

Explanation:

Some examples of conjunctive adverbs are: accordingly, also, besides, consequently, finally, however, indeed, instead, likewise, meanwhile, moreover, nevertheless, next, otherwise, still, therefore, then, etc.

Movement caused by warmer fluids rising and cooler fluids sinking is called ______________.

Answers

Answer:

I think it's Convection current.

Hope that helps. x

Answer:  Convection is the process of warm fluids rising and cooler fluids sinking. Inside the Earth, convection is powered by heat mostly from the core. The slow circulation of rock in the mantle moves the tectonic plates at the surface.

Explanation: Can I have brainliest

Hydrogen peroxide is commonly used to clean cuts and wounds. Its chemical formula is
H2O2. This compound has _____.

two atoms of hydrogen
three atoms of oxygen
three atoms of hydrogen
one atom of oxygen

Please help, take your time!

Answers

Answer:

two atom of hydrogen,two atom of oxygen

two atoms of hydrogen and two atoms of oxygen

Landon's new toy arrived in the mail covered in foam packing peanuts. The foam packing peanuts have a mass of 30 g and a volume of 60 cm3. What is the density?

2 g/cm3
180 g/cm3
0.5 g/cm3
2

Answers

Here’s your answer 0.5 g/cm3
2 g / cm3 18g/cm3 one is 0.5G/ cm3 and the other 2 g / cm 4

why is compound not a mixture?

Answers

Compound is a pure substance containing two or more elements that are chemically combined in a fixed ratio but mixture is made up of two or more substances that are not chemically combined.
The way my chemistry professor explained it was compounds are from the same side (nonmetals), so they don’t necessarily mix well. It would be different if it was an ionic bond, because ionic bonds are when metals and nonmetals mix.

13. will any of the bulbs light if you open the switch?
14. which bulbs would continue to shine if bulb 1 broke? which would shine if bulb 2 broke instead? Explain.

Answers

Answer:

14.None would shine if bulb 1 broke

Explanation:

Bulb one connects all the other bulbs to the switch. If bulb 2 broke instead only 1 and 3 will shine because bulb 2 is not connected to bulb 3. all the bulbs should light when the switch is on.

I dont think I actually got this right pls dont take my answer for fact.

The corn crop in an area is prone to infestation by larvae from moths that feed on the cornstalks and ears of corn. The techniques used by two farmers to protect the corn crop are described below.

Technique A: Sprayed his corn crop with an insecticide. The insecticide is known to kill all honeybee, butterfly, and moth larvae.
Technique B: Used a genetically modified variety of corn. The plant produces an insecticide which selectively kills only the moth larvae as it feeds on the corn.

Which technique is likely to have less of an impact on the environment?

Technique B because it may help humans who consume corn to fight bacteria
Technique A because it kills a broader variety of insects to protect the corn
Technique B because it preserves the harmless insects and targets only the moth larvae
Technique A because insecticide use is better for preserving the environment.

Answers

Answer:

Its C

Explanation:

Method A puts a type of spray that kills bees plus butterfly's which would make their population decrease. Which isnt helpful and harms the enviroment a lot. Answer A dosent make sense it may be harmful

Answer: c

Explanation:

I took the quiz

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