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Andreas93 [3]
3 years ago
8

Which of the following would be considered a homozygous recessive genotype?

Biology
1 answer:
postnew [5]3 years ago
7 0

Answer: 4; tt

Explanation: The two lowercase letters indicate that there are two recessive genes. If there is one uppercase letter and one lowercase letter, that would mean that it is heterozygous (as there is one dominant and one recessive gene).

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According to the theory of global warming which statement is the most likely reason for the current climate change?
Luda [366]

Answer:

If we could see your choices, it would better help us to help you.

Explanation:

But, if you are referring to the most widely accepted theory:

Anthropogenic (man-made) Global Warming, or AGW.  The theory states that man-made greenhouse gases, primarily carbon dioxide (CO2 ), are the predominant cause for the global warming that has occurred during the past 50 years.

5 0
3 years ago
1. A normal mammalian cell will shrink if it is placed into_________. (Assume all solutes are non-penetrating) A. pure water B.
GrogVix [38]

Answer:

B. 50 mM glucose; E. 300 mM glucose

Explanation:

In order for the cell to shrink the concentration of solutes in the blood should be above normal or higher than the intracellular concentration, so that water moves from the inside of the cell to the outside by the process known as osmosis.

The normal blood levels of NaCl = ~ 154 mM; therefore A, C and D will not cause any shrinkage.

The normal blood levels of glucose = ~ 3.9 to 7.1 mM; therefore water would move from the intracellular to the extracellular space since the solutes are 10x higher outside the cell, causing shrinkage of the cell.

4 0
3 years ago
How might the classification of protists change in the future? *HELP PLEASE*
Shalnov [3]
The Kingdom Protista has a bunch of organisms thrown into the category because scientists have yet to sort them out properly. In the future these classifications might become more specific.
5 0
4 years ago
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In how many ways can nine members of committee sit at the round table so that secretary and the joint secretary are always the n
MaRussiya [10]

Answer:

1440

Explanation:

Members except president, secretary and joint secretary = 9−3=6

Their arrangement = 6!

No. of arrangements of secretary and joint secretary at wto places

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7 0
3 years ago
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miskamm [114]

Stars are classified based on the spectral type (i.e. a means to measure the photospheric temperature and density by getting information about the ionisation state).

Under the Morgan–Keenan (MK) system using the letters O, B, A, F, G, K, and M, a sequence from the hottest (O type) to the coolest (M type) (Harvard Spectral classification based on the surface temperature of the stars). A luminosity class is added to the spectral class using Roman numerals (Yerkes Spectral classification). This is based on the width of certain absorption lines in the star's spectrum (0 or Ia+ - hypergiants, I - supergiants, II - bright giants, III - regular giants, IV - sub-giants, V - main-sequence stars, sd - sub-dwarfs, and D - white dwarfs).

8 0
3 years ago
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