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ipn [44]
3 years ago
15

What I Know True or False. Read each statement carefully. Identify whether the statement is true or false. Write your answer on

a separate sheet of paper. 1. Carbohydrates contain carbon. 2. Meat contains protein. 3. Lipids are soluble in water. 4. Proteins are made up of nucleotides. 5. DNA is a nucleic acid. 6. Sucrose is a disaccharide. 7. Starch is composed of many glucose units. 8. Fructose is also known as blood sugar. 9. Keratin is easily dissolved in water. 10. Proteins are made up of nucleotides. 11. The heme group of hemoglobion contains iron. 12. A nucleotide has three parts: nitrogenous base, sugar, and phosphate group. 13. DNA has a double-helix structure. 14. Triglyceride is a protein. 15. Generally, unsaturated fatty acids remain solid at room temperature,​
Physics
2 answers:
timofeeve [1]3 years ago
7 0

Answer:

1. False

2. True

3. True

4. True

5. True

6. False

7. True

8. False

9. False

10. True

11. True

12. True

13. True

14. True

15. True

xxMikexx [17]3 years ago
5 0
ALL THE ANSWERS:

1) TRUE - Carbohydrates are composed of carbon, hydrogen, and oxygen and have a general formula that approximates CH2O.

2) TRUE - Animal proteins, such as meat, eggs, and milk, are complete proteins, meaning they provide all of the essential amino acids our body needs.

3) FALSE - If talking about neutral lipids, they are soluble in organic solvents and are not soluble in water.

4) TRUE - Each sequence of three nucleotides, called a codon, usually codes for one particular amino acid.

5) TRUE -DNA and RNA are both nucleic acids

6) TRUE - Sucrose is a disaccharide made up of 50% glucose and 50% fructose.

7) TRUE - It has numerous glucose units

8) TRUE -Some doctors may call that

9) FALSE - Keratin is completely insoluble in cold or hot water.

10) TRUE - Each sequence of three nucleotides, called a codon, usually codes for one particular amino acid.

11) TRUE - Each heme group contains one iron atom, that can bind one oxygen molecule through ion-induced dipole forces.

12) TRUE - It has three parts

13) TRUE - DNA has a double-helix structure

14) FALSE - Triglycerides are lipid

15) FALSE - It’s debunked, the molecular structure of unsaturated fats makes them liquid at room temperature. Their fat molecules do not stack easily, so they cannot form a solid at this temperature.

HOPE THIS HELPS :)

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6 0
2 years ago
Help me find the acceleration
ANEK [815]

a = 3.09 m/s²

<h3>Explanation</h3>

This question doesn't tell anything about how long it took for the car to go through 105 meters. As a result, the <em>timeless </em>suvat equation is likely what you need for this question.

In the <em>timeless</em> suvat equation,

a = \dfrac{v^2 - u^2}{2\; x}

where

  • a is the acceleration of the car;
  • v is the <em>final</em> velocity of the car;
  • u is the <em>initial</em> velocity of the car; and
  • x is the displacement of the car.

Note that <em>v</em> and <em>u</em> are velocities. Make sure that you include their signs in the calculation.

In this question,

  • a is the unknown;
  • v = -10.9 \; \text{m} \cdot \text{s}^{-2};
  • u = -27.7 \; \text{m} \cdot \text{s}^{-2}; and
  • x = - 105 \; \text{m}.

Apply the <em>timeless</em> suvat equation:

a = \dfrac{v^{2} - u^{2}}{2\; x}\\\phantom{a} = \dfrac{(-10.9)^{2} - (-27.7)^{2}}{2 \times (-105)}\\\phantom{a} = 3.09 \; \text{m} \cdot \text{s}^{-2}.

The value of a is greater than zero, which is reasonable. Velocity of the car is negative, meaning that the car is moving backward. The car now moves to the back at a slower speed. Effectively it accelerates to the front. Its acceleration shall thus be positive.

7 0
3 years ago
How does a mirror affect the path of light?
yulyashka [42]

Light rays change direction when they hit a mirror. The phenomenon is known as reflection. Light rays travels in a straight light. They strike the surface of the mirror at a particular angle called incident angle. It is the angle between the ray and normal at the point of contact. The rays leaves the surface making the same angle with the normal called reflection angle but in different direction.

8 0
3 years ago
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NeX [460]

Answer:

<em>D.) state of matter</em>

Explanation:

it can undergo chemical but not nuclear.

6 0
2 years ago
The maximum number of orbits in an atom is _____
svp [43]

Correct answer is:

<h2>The maximum number of orbits in an atom is <u>Seven.</u></h2><h3>Explanation:</h3>

Every energy level has a limited one orbital including two electrons. The orbits are settled in the sub-levels and there can be further than 1 sub-level as the number of energy levels rises. On energy level 1, there is 1 sub-level and 1 orbital. Energy level 2 can possess 2 sub-levels and 2 orbitals. These remain to develop as you progress from the nucleus of the atom, closing up with an infinite potential number of levels and orbits.

8 0
3 years ago
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