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4 years ago

LORAN-C:

Biology

2 answers:

Salsk061 [2.6K]4 years ago

6 0

is operated by the U.S. Coast Guard

shepuryov [24]4 years ago

4 0

I believe it is D, tell me if not

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The internal organs which filter the blood are the ______

Umnica [9.8K]

The correct answer is your kidneys because the organs most intimately related to the substances carried by the blood are the kidneys, which filter out nitrogenous wastes and regulate concentration of salts; the spleen, which removes worn red blood cells, or lymphocytes; and the liver, which contributes clotting factors to the blood, helps to control blood sugar

5 0

3 years ago

Read 2 more answers

The sahara desert is able to support large populations of grazing herbivores? True or false

lina2011 [118]

Depends

if they can find an oasis then yes but only for a certain amount of time
if they cant then no they will eventually starve or thirst to death in the Sahara.

so i would say.... A. true

Hoped that helped ;)

8 0

4 years ago

Read 2 more answers

Cells can be described as having a cytoskeleton of internal structures that contribute to the shape, organization and movement o

Assoli18 [71]

Answer: C. Microfilaments

Explanation: Microfilaments, also called actin filaments, are protein filaments in the cytoplasm of eukaryotic cells that form part of the cytoskeleton. They are primarily composed of polymers of actin, but are modified by and interact with numerous other proteins in the cell. Microfilaments, or actin filaments, are the thinnest filaments of the cytoskeleton and are found in the cytoplasm of eukaryotic cells. The polymers of these linear filaments are flexible but still strong, resisting crushing and buckling while providing support to the cell.

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3 years ago

In humans, aniridia, a type of blindness, is due to a dominant allele A. Migraine headaches are due to another dominant allele M

leonid [27]

Answer:

9/16

Explanation:

This is a typical dihybrid cross involving two genes; one coding for anridia (form of blindness) and the other for Migraine headache, both in humans. The allele for possessing anridia (A) is dominant over the allele for not possessing it (a) in the first gene, while the allele for having Migraine headache (M) is dominant over the allele for not having it (m) in the second gene.

A cross between a man that is heterozygous for both genes (AaMm) and a woman also heterozygous for the two genes (AaMm), this means that both parents are dominant for the two traits i.e. they both possess anridia and migraine headache.

Both parent cells will undergo meiosis to produce four possible combination of gametes in which the alleles are independent of one another in the gametes, according to Mendel's law of independent assortment. The gametes are: AM, Am, aM, am

These gametes are crossed using a punnet square (see attached image) to produce 16 possible offsprings in a phenotypic ratio of 9:3:3:1.

9- Offsprings with both anridia and migraine

3- Offsprings with only anridia but without migraine

3- Offsprings with only migraine but without anridia

1- Offsprings without both anridia and migraine

According to the question, the chance of an offspring expressing both traits i.e. having both anridia and migraine headache is 9/16

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3 years ago

Why accleration is a derived quantity

Ne4ueva [31]

Answer:

Explanation:

velocity are derived quantities and are both combinations of length and time. An object's acceleration is its rate of change of velocity. Acceleration is a … ... derived quantity.

7 0

3 years ago