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aliya0001 [1]
2 years ago
10

7. A cell membrane has two layers of molecules. These molecules are made of a phosphorus-

Biology
1 answer:
Gemiola [76]2 years ago
5 0

Answer: a they are made up of fatty acids

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A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces green seeds. The F1 plants
nadya68 [22]

Answer:

The phenotypic ratio will be 3:1

Explanation:

As per this question there are two phenotypes for seed color, yellow and green. Both the parents are true breeding that means they are homozygous for this trait. Also, all the F1 plants have yellow seed color which clearly indicates that yellow seed color is a dominant trait while green is recessive trait.

The cross of true breeding plants as mentioned above is depicted as under:

Parents                             YY    x   yy

                                          /   \       /   \

F1 generation                Yy   Yy  Yy   Yy

So, as per the law of dominance because of the presence of Y allele, all these progeny will be yellow in color.

Next, when these F1 plants will be crossed, the result will be as under:

F1 generation                    Yy   x    Yy

                                         /   \         /   \

F2 generation               YY   Yy   Yy   yy

The genotypic ratio of F2 generation is 1:2:1

The phenotypic ratio of F2 generation is 3:1

It simply means that in F2 generation, 3 progeny which have allelic combination YY & Yy will be yellow colored while 1 progeny which has allelic combination yy will have green color.

8 0
3 years ago
Look at each of the thirteen primates (by scrolling over them, do not click on them) and determine the following. Which is the l
artcher [175]
<h2>(Answer 1 points 3)</h2>

The eastern lowland gorilla is one of the largest primates out of the thirteen. This largest primate is the massive animal on the Earth. This Primate in the World Is about to be extinct. It has now been critically endangered or we can say that these are just a step away from extinction. This primate is about 6.6 feet and weighs up to 550 pounds in the wild. The species has been subdivided into two subspecies.

<h2>(Answer 2 points 3)</h2>

Berthe's mouse lemur (Microcebus berthae)  is the smallest primate of all the thirteen primates. Earlier, It was claimed that Philippines tarsiers are the smallest primate but it was proved wrong. There are only between 5,000 and 10,000 Philippine Tarsiers left in the entire world known after the survey and the estimation of these primates. The number of this species is going to get very low and be falling.

<h2>(Answer 3 points 3)</h2>

There are approximately 260 known living species of primates that are consists of the tails. Some of the species of tail having primates have the tails that are very small in size. Only Apes is the species of the primates that do not contain even a small tail. There are two monkey groups, the old-word, and new-world monkeys, and apes are more closely related to the old-world monkeys.

<h2>(Answer 4 points 3)</h2>

The colossal squid is a primate that has the largest eye of all animals in the whole world. The measurement of the eye was recorded in 1007 and it was concluded that it was even larger when the squid was alive. It has been measured that its eye is at about 11 inches (28 centimeters) across bigger than a dinner plate, making it the largest animal eye on Earth.

8 0
3 years ago
Oswald and Avery repeated Griffith’s work in 1944. What were they trying to figure out?
Pepsi [2]

Answer:

Colin MacLeod, and Maclyn McCarty showed that DNA (not proteins) can transform the properties of cells, clarifying the chemical nature of genes.

Explanation:

4 0
3 years ago
A pregnant client who is nearing her due date informs the nurse that she would like a vaginal delivery. the nurse observes in th
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She might discuss what she needs to not have it hurt that is called a epidural!
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3 years ago
Which two important things do many economics systems not considered to have value?
Alexxandr [17]
"A. Natural resources and human labour". I agree.
6 0
3 years ago
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