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muminat
3 years ago
9

True-breeding pea plants always

Biology
1 answer:
frez [133]3 years ago
8 0

Answer:

When a single trait is being studies, a test cross is a cross between an individual with the dominant phenotype but of unknown genotype (homozygous or heterozygous) with a homozygous recessive individual. If the unknown is heterozygous, then approximately 50% of the offspring should display the recessive phenotype.

Explanation:

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Is the temperature profile in the thermosphere more like that of the troposphere or the stratosphere?
podryga [215]

The correct answer is: stratosphere.

This is because their temperatures are rising instead of decreasing.

There are 4 primary layers of the atmosphere on Earth:  

Troposphere (6-20km), the layer that we live in, where the weather occurs. Only nitrogen and oxygen present.

Stratosphere  (20-50 km), where the airplanes fly, contains the ozone layer, which absorbs harmful radiation from the sun.

Mesosphere (50-85 km), the coldest region of Earth’s atmosphere (-100 C), protective layer

Thermosphere (80-690), the hottest (1500 C) and the thickest layer which consists of the ionosphere and the exosphere.


5 0
3 years ago
You forgot to ask a friend to water your plants while you were on vacation. When you got home you noticed they were wilting.
Arturiano [62]
Turgor pressure.

Hope this helps (:

-Payshence xoxo
8 0
3 years ago
Zaccharias Janssen was a scientist who studied properties of light and invented one of the first compound microscopes in the lat
Ganezh [65]

Answer:

Light bounces off surfaces property most likely believed by Janssen about light during the time of his invention

Explanation:

Zacharias Janssen is ascribed as a man to discover the compound microscope. Its purpose is to amplify diminutive things so characters can analyze them. There is a mirror attached under the microscope and when light bounces off the mirror it reaches through and nearby the specimen being viewed.

Some elements do not receive light. When a light wave is reflected off a facade, it proceeds back off at an angle similar that the wave beats the surface. Using these more innovative concepts about light enacted scientists to compose new inventions.

5 0
3 years ago
Read 2 more answers
Drag each tile to the correct box.
antoniya [11.8K]

Answer:

Pancreas secrets two hormones called insulin and glucagon which helps in maintaining the glucose level in the blood.

Explanation:

Pancreas secrets a hormone called as insulin, which helps the cell in absorbing the glucose by reducing the blood sugar and providing glucose for energy. On falling of the sugar level pancreas releases a hormone called glucagon. This glucagon informs the pancreas about the presence of low sugar in blood, after which it releases the stored glucose, and helps in raising the blood sugar level. Alpha cell of pancreas produces glucagon.

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3 years ago
What are the five trophisms
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Phototropism, Gravitropism, Thigmotropism, <span>Hydrotropism and Heliotropism</span>
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4 years ago
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