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guajiro [1.7K]
3 years ago
14

A chemist reacts 128.95 g of Fe3N2 and 32.34 g of Al as shown below.

Biology
1 answer:
Yuliya22 [10]3 years ago
8 0

Answer:

theres an app that helped me with all of that you should look into it really works i understand how hard it is lol

Explanation:

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2.Which of the following represents a genetic cross between 2 individuals that are each heterozygous for both traits?
wariber [46]

Answer:

A. AaBb x AaBb

Explanation:

The term heterozygous refers to the presence of two different alleles of same gene in an organism. The one allele can be of wild type (original type) and one can be mutated or newly formed.

In the question, two traits are represented by two letters, A and B and alleles as A and a and B and b, respectively. We are asked about a cross involving two traits and two individuals in such a way that both are heterozygous.

If we look at option A, AaBb x AaBb,

we see that one trait A and the other trait B is in heterozygous form (Aa and Bb) in both individuals.

If we look at option B. AABB x AABB

we see that one trait A and the other trait B is in homozygous form form (AA and BB) in both individuals. Homozygous means when the alleles are same for each trait in an individual.

If we look at option C,Aa x Bb

There are not two traits, one trait of one individual and other trait of other individual is being crossed that is not possible.

If we look at option D. AAaa x BBbb

Again, the individuals are homozygous for two traits.


Therefore, A is best option.


Hope it helps!

7 0
3 years ago
Define cell conjunctions
tamaranim1 [39]
It means that two or more cells connected together. 
You can look at the word 'cell' and 'conjunctions' separately. 'Cell'  is a tiny particle. 'Conjunctions' means 'two or more things connected', so just put the two meanings together.
Hope this helps. :)
8 0
3 years ago
What would happen if humans were made of prokaryotic cells
bixtya [17]
Oooh really a interesting thing if we were made of prokaryotic cells ....
as we know, prokaryotic cells lacks nucleus and membrane bound organelles.
The majority of prokaryotic <span><span><span><span>DNA </span></span></span></span><span>is found in a central region of the cell called the </span>nucleoid. Then we are not able to do activities like now we do bcz if we  lacks a true nucleus which contains our all genetic info: we are just like prokaryotic organisms....
5 0
3 years ago
Cardinal flower has scentless, bright red flowers that are long and tubular. What is the most likely pollinator of this plant?
Bond [772]

Answer:

Hummingbird

Explanation:

Pollination is the process by which pollen grains are transferred from anther of a flower to stigma. It is a vital process required for reproduction of new plants.

Cardinal flower has two upper petals and three lower spreading petals. All the petals combine to form a tube at the base. Hence the flowers get a tubular shape. Insects can not enter the tubular flower easily so humming birds usually pollinate these flowers. The hummingbirds feeds on its nectar and pollinates the flower in the process.

8 0
3 years ago
Which option below represents the best way to paraphrase and cite the source of the information from the first two sentences in
dalvyx [7]
It is The first one I know
6 0
3 years ago
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