Physics Middle School

A gene is
1. a change in a DNA sequence
2. the 2-letter code representing the alleles inherited from parents
3. a part of a chromosome that controls a particular trait, like eye color
4. a characteristic that is inherited, like eye color​

Answers

Answer 1

Answer:

C - a part of a chromosome that controls a particular trait, like eye color

Explanation:

(if theres an option to pick two, i would pick C and D)

Related Questions

If one wave of 10 m amplitude meets constructively with another of amplitude 20
m, what is the new amplitude?
20 m
30 m
200 m
10 m

Answers

Answer:

B. 30m

Explanation:

This is because when a wave interferes constructively with another wave, they will add since constructive relates to joining or building up.

So, 10m + 20m equals a 30m wave.

An 11.98-gram sample of zinc metal is placed in a hot water bath and warmed to 78.4°C. It is then removed and placed into a Styrofoam cup containing 50.0 mL of room temperature water (T=27.0°C; density = 1.00 g/mL). The water warms to a temperature of 28.1°C. Determine the specific heat capacity of the zinc.

Answers

Answer:

383.34 J/kg.K

Explanation:

From the question,

Heat lost by zinc = heat gained by water in the Styrofoam cup.

c'm'(t₁-t₃) = cm(t₃-t₂).............. Equation 1

Where c' = specific heat capacity of zinc, m' = mass of zinc, t₁ = initial temperature of zinc, t₂ = initial temperature of water in the Styrofoam cup, t₃ = temperature of the mixture

Make c' the subject of the equation

c' = cm(t₃-t₂)/m'(t₁-t₃).............. Equation 2

given: m' = 11.98 g = 0.01198 kg, m = density of water×volume of water = (1×50) = 50 g = 0.05 kg, t₁ = 78.4°C, t₂ = 27°C,  t₃ = 28.1°C

Constant: c = 4200 J/kg.K

Substitute these values into equation 2

c' = 0.05×4200(28.1-27)/[0.01198×(78.4-28.1)]

c' = 231/0.602594

c' = 383.34 J/kg.K

If a race car is traveling South due to a 30N force and the parachute deploys resulting in a 10N force North what is the Net Force (or Resultant Force)?

a) 40n east
b) 40n south
c) 10n west
d) 20n south

Answers

Answer:

F = 20 N south  

Explanation:

It is given that,

Force applied on the racing car in south direction is 30 N and parachute deploys resulting in a 10 N force due North.

We need to find the net force on the car.

Let North denotes +y axis and South denotes -y axis.

So, F₁ = +10 N

F₂ = -30 N

Net force is :

[tex]F=F_1+F_2\\\\F=10+(-30)\\\\F=-20\ N[/tex]

It means that the net force is 20 N and it is acting in south. Hence (d) is correct.    

lake water flows downward through tunnels

Answers

Answer:

what's your question?

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