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Aleksandr-060686 [28]
3 years ago
8

Suppose a family replaces ten 60-watt incandescent bulbs with ten 30-watt fluorescent lamps. If each light was used for 4 hours

per day and the cost of electricity was 10.0 ¢/kWh, how much money would they save in a year? Explain your answer. (This question is for a science gizmo)
Biology
1 answer:
nikklg [1K]3 years ago
8 0

Answer:

so i have no clue but i recommend looking up "*name of gizmo* answer key* and looking in images. always works for me.

Explanation:

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Serves as the molecular basis for life. DNA copies itself via the process of . RNA is produced from DNA via the process of . Pro
blagie [28]

Answer:

CGTCATC

Explanation:

In a DNA double helix, the complementary bases of two strands of DNA are paired by hydrogen bonds. Adenine of one DNA strand is paired with the thymine of the other strand. Similarly, the guanine of one DNA strand is paired with the cytosine of the other DNA strand. If a portion of one of the two strands of a DNA molecule has the sequence GCAGTAG. The sequence of the other strand would be as following:

One DNA strand: GCAGTAG

Other DNA strand: CGTCATC

8 0
3 years ago
A new and effective antibiotic becomes widely used for a particular species of bacteria. After some time, an antibiotic-resistan
s2008m [1.1K]
Antibiotic resistance happens when an antibiotic lost its ability in controlling or killing bacterial growth. At this moment the bacteria are already resistant to the antibiotic and are multiplying even though the drug is present. This is a natural phenomenon.
4 0
3 years ago
External fertilization in fishes is called ____________.
alexandr402 [8]
Spawning.......................................................
7 0
3 years ago
Can you identify which organisms are on which trophic levels in an intertidal community?
Ulleksa [173]

Answer:

The producers-Sea weed-Perform photosynthesis.

The filter feeders- sponges, chiton-eat floating planktons.

Grazers -Snails,mussels feed on- floating planktons.

Carnivores such as sea stars feeds on snails

Explanation:

  • The producers are placed at the bottom level in energy pyramid and are prime factor in the aquatic eco system which provides energy and perform photosynthesis with the help of water,sunlight and chlorophyll.
  • The filter feeders are those that feeds upon small particles that are present in the water.
  • Grazers are those organisms that feeds on producers like phytoplanktons.
  • Carnivores are those organisms that feeds on herbivores.

6 0
3 years ago
Phosphorus is required to synthesize the deoxyribonucleoside triphosphates used in DNA replication. A geneticist grows some E. c
Harlamova29_29 [7]

Answer:

<h2> After one round: one strand of DNA  will contain radioactive 3232P, while the other strand  will not contain any radioactive phosphate. </h2><h2> After two rounds:  here 50%  of DNA will have 3232P in both strands, while 50% will contain 3232P in one strand and nonradioactive in the other strand. </h2>

 

Explanation:

1. In the initial sample which is immediately removed after addition of radioactive isotope of phosphorus ( 3232P), hence there is  no incorporation of 3232P into the DNA because replication in the medium containing 3232P has not yet occurred.  

2. After one round of replication in  radioactive isotope of phosphorus ( 3232P) containing  medium, here  only one newly synthesized strand of DNA molecule will contain 3232P, while the other strand  will not contain any  radioactive isotope of phosphorus ( 3232P),  because DNA replication occurs in semi-conservative way.

3. After two rounds of replication in medium which contains radioactive isotope of phosphorus ( 3232P), here 50% of the DNA molecules will have  radioactive isotope 3232P in both strands, while the rest 50% will contain 3232P in only one strand and nonradioactive phosphorous in the other strand.

4 0
3 years ago
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