Based on cell theory, which of these answer choices would describe one reason a virus is considered nonliving?

Does the appearance (how they look) suggest common ancestry between the minnow and the cave fish?

ch4aika [34]

No, because two creatures with similar niches can evolve similar traits and appearances despite not having a common ancestor.

3 0

3 years ago

A parent cell that has 4 chromosomes will produce two daughter cells by mitosis, each with how many

siniylev [52]

Answer: They will each have 4 chromosomes.

Explanation:

They will each have the same number of chromosomes (4) as you cannot gain or lose chromosomes unless there is a genetic mutation that has occured.

3 0

3 years ago

In dry desert areas poor drainage can lead to a buildup of salt in water supplies. A student performed an investigation to study

saul85 [17]

Answer:

B. food production

Explanation:

In the example above described, salinity conditions (3%) completely prevented radicle development (0 mm). Salinity conditions may alter plant development by inhibiting the uptake of nitrogen, and by limiting water intake. Moreover, it has been shown that the excessive accumulation of chloride ions in plant cells may have toxic effects on plant growth, causing ionic stress and thus leading to nutrient deficiency.

7 0

3 years ago

A patient is to be administered a dose of 250 mg of a medication subcutaneously. available: 250 mg/1.5 ml amp. amount of drug to

Amiraneli [1.4K]

According to the question, the amount of the drug administered is 250 milligram (mg). The available dose of the drug is 250 mg per 1.5 mL (milligram). So, for the administration of the 250 mg drug, 1.5 mL of the available drug concentration should be used.

We need to determine the amount of the drug must be drawn in cc (cubic centimeter).

$1mL = 1cc$

As

$1.5 mL = 1.5 cc$

So, the amount to be drawn is 1.5 cc.

3 0

3 years ago

In humans, black hair (B) is dominant over red hair (b) and having six fingers (F) is dominant over having five fingers (f). Sal

Lera25 [3.4K]

Answer:

Genotype & Phenotype

BbFf - 4

bbFf - 4

Bbff - 4

bbff- 4

Phenotype

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

Explanation:

Given

Black hair allele is represented by "B"

Red hair allele is represented by "b"

Trait of having six fingers is represented by "F"

Trait of having five fingers is represented by "f"

Also , B is dominant over b and F is dominant over f

Genotype of sally having black hair and five fingers when her father has red hair is Bbff

Genotype fo Bill having red hair and six fingers when his mother had five fingers is bbFf

Bbff * bbFf

Bf bf Bf bf

bF BbFf bbFf BbFf bbFf

bf Bbff bbff Bbff bbff

bF BbFf bbFf BbFf bbFf

bf Bbff bbff Bbff bbff

Genotype & Phenotype

BbFf - 4

bbFf - 4

Bbff - 4

bbff- 4

Phenotype

BbFf – Black Hair with six fingers

bbFf – red hair with six fingers

Bbff – Black hair with five fingers

Bbff – red hair with five fingers

5 0

4 years ago