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True [87]
3 years ago
5

When Mendel crossed true–breeding pea plants that have inflated pods (PP) with those that have constricted pods (pp), it was obs

erved that F1 offspring had a genotype of Pp. What would their phenotype be?
Biology
2 answers:
kirza4 [7]3 years ago
8 0

Answer:

constricted pods

Explanation:

the genotype would have the dominant phenotype with PP even though the recessive is included. The recessive is controlled or taken over by the dominant allele.

MaRussiya [10]3 years ago
3 0

Answer:

What are the two phases of speciation?  

(A) geographic isolation and variation

(B) adaptation and reproductive isolation

(C) adaptation and variation

(D) geographic isolation and reproductive isolation

ANSWER (D) geographic isolation and reproductive isolation

Explanation:

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Crime-scene investigators collected hair from a dead person's body. is the hair human or nonhuman? describe two ways that the in
Nana76 [90]
The investigators could distinguish human hair from animal hair by the patter of pigmentation and by the medullary index.
The pigmentation in human hairs is denser toward the cuticle, whereas in animal hair is denser toward the medulla. Human hairs are usually one colour throughout the whole length, while animal hairs may change colour suddenly.
The medulla in humans is thinner than in animals: the medullary index for human hairs is 0.33 or less; the medullary index for animal hairs is 0.5 or more.
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3 years ago
Pls help i don't understand :( Will Mark Brainliest!! + 25 Points!!]
Grace [21]

Answer: A

Explanation:

7 0
2 years ago
active transport and facilitated diffusion are two types of cellular transport which statement is true of both
Dovator [93]

Answer:

I believe the correct answer is both involve proteins in the cell membrane.

Explanation:

This is because Facilitated diffusion does not require any energy to transport molecules, while Active transport requires ATP. Facilitated diffusion transports molecules from an area of higher concentration to an area of lower concentration (or down a concentration gradient). Active transport moves molecules from an area of lower concentration to an area of higher concentration (or up a concentration gradient). Answer choice A is the only choice that makes sense.

Hope this helps,

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7 0
3 years ago
Which point in this graph shows the beginning of a period of exponential
IgorLugansk [536]

Answer:

C. Point B

Explanation:  

The exposed curve represents a logistic growth model. Population growth depends on density. Natality and mortality depend on the population size, meaning that there is no independence between population growth and population density.

When a population grows in a limited space, density rises gradually and eventually affects the multiplication rate. The population per capita growth rate decreases as population size increases. The population reaches a maximum point delimited by available resources, such as food or space. This point is known as the carrying capacity, K.

K is a constant that equals population size at the equilibrium point, in which the natality and the mortality rate get qual to each other.

Referring to population size as N, when

  • N<K, the population can still grow.
  • N approximates to K, the population´s growth speed decreases.
  • N=K the population reaches equilibrium,
  • N>K, the population must decrease in size because there are not enough resources to maintain that size.  

The sigmoid curve represents the logistic growth model.

  • Point A: During this period, the population size is relatively stable. Little growth is expressed.
  • Point B: At the beginning of this period, population growth increases softly. The more individuals are in the population, the more that reaches sexual maturity and get to reproduce, leaving fertile offspring. This fertile offspring also get to reproduce and leave more fertile individuals. At the end of the period, the curve shows a sharp slope, reflecting the significant increase in the population reproductive rate.  
  • Point C: At the beginning of this period, the population keeps on growing exponentially. But at the end of the period, the curve tends to stabilize, meaning that the population stops growing in size so fast. The population slow and gradually reaches the equilibrium point, K.
  • Point D: The population got to stabilize.
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2 years ago
Which term describes stacks of thylakoids?
Mumz [18]
Grana is the term that describes stacks of thylakoids. 
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3 years ago
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