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dusya [7]
3 years ago
15

ECB refers to:

Biology
1 answer:
umka21 [38]3 years ago
8 0

Answer:

ECB refers to:

D.-European corn borer

How many days are required for a corn seed to become a mature plant?  

C.- About 140

BT Corn refers to:

B.- Has been infested with bacteria

BT is:

D.- A bacterium that has a gene...

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Which typeof energy is transfreeed by conveection currents
Dmitriy789 [7]

thermal energy
Convection currents transfer thermal energy through many fluids, not just hot water in a pot. For example, convection currents transfer thermal energy through molten rock below Earth's surface, through water in the oceans, and through air in the atmosphere. Convection currents in the atmosphere create winds
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Which system sends nutrients to all the body's cells?
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The vascular system is made up of the vessels that carry blood and lymph fluid through the body. It's also called the circulatory system. The arteries and veins carry blood all over the body. They send oxygen and nutrients to the body tissues.



The answer is : the circulatory system
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3 years ago
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List different ways that you have seen structures protected for shipping
mihalych1998 [28]
Packing peanuts, padded divider sets, bubble bags, packaging foam, packing paper
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Channel proteins and carrier proteins are both a type of transport protein.<br> true or false
andrezito [222]
There are two classes of membrane transport proteins—carriers<span> and </span>channels<span>. Both form continuous </span>protein<span> pathways across the lipid bilayer. Whereas transport by </span>carriers<span> can be either active or passive, solute flow through </span>channel proteins<span> is always passive.</span>
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4 years ago
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In 4 o'clock flowers, red is dominant to white, but the heterozygote is pink. What is the phenotype ratio of crossing red 4 o'cl
Ne4ueva [31]

Answer:

Phenotypic ratio = 1 Red : 1 Pink

Explanation:

This phenomenon exhited by the gene coding for flower colour in four o'clock plants is called INCOMPLETE DOMINANCE i.e. the red flower allele (R) is not completely dominant over the white flower allele (r), hence, a third intermediate pink phenotype (Rr) is formed in an heterozygous state. The red and white flowers will only be expressed in a RR and rr genotypes respectively.

In a cross between a red-flowered 4 o'clock plant (RR) and a pink-flowered 4 o'clock plant (Rr), the gametes:

R and R will be produced by the red-flowered plant while gamete R and r will be produced by the pink-flowered plant. Using this gamete in a punnet square, one will have four possible offsprings in which two will be phenotypically red-flowered (RR) and two phenotypically pink-flowered (Rr). i.e. 2RR:2Rr

Hence, the phenotypic ratio is 1:1 Red to Pink flower

3 0
4 years ago
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